# toolcrate.dev

> 322+ free browser tools - calculators, converters, generators, DevOps utilities, games, and more. Every tool runs entirely client-side in JavaScript: no signup, no uploads, no server round-trip, no ads. Source files never leave the visitor's device.

## Text tools
- [Word Counter](https://toolcrate.dev/word-counter/): Words, characters, sentences, reading time
- [Case Converter](https://toolcrate.dev/case-converter/): UPPER, lower, Title, camelCase, snake_case
- [Text Diff Checker](https://toolcrate.dev/text-diff-checker/): Compare two blocks of text line by line
- [Citation Generator](https://toolcrate.dev/citation-generator/): APA 7th, MLA 9th, Chicago 17th — verified formats
- [Duplicate Line Remover](https://toolcrate.dev/duplicate-line-remover/): Dedupe, trim, and sort a list of lines
- [Whitespace & Text Cleaner](https://toolcrate.dev/whitespace-cleaner/): Strip extra spaces, blank lines, tabs
- [Lorem Ipsum Generator](https://toolcrate.dev/lorem-ipsum-generator/): Placeholder text by paragraph, sentence, or word
- [Palindrome & Anagram Checker](https://toolcrate.dev/palindrome-checker/): Check words and phrases instantly
- [Slug Generator](https://toolcrate.dev/slug-generator/): Turn any title into a clean URL slug
- [Readability Score Checker](https://toolcrate.dev/readability-checker/): Flesch-Kincaid grade level
- [Social Media Character Counter](https://toolcrate.dev/social-char-counter/): X, Instagram, TikTok, LinkedIn limits
- [Text to Speech](https://toolcrate.dev/text-to-speech/): Read aloud with your browser's voices
- [Word Frequency Counter](https://toolcrate.dev/word-frequency-counter/): Most-used words, ranked, stopwords optional

## Calculators
- [Mortgage Calculator](https://toolcrate.dev/mortgage-calculator/): Monthly payment, total interest, total cost
- [Rental Property ROI & Cap Rate Calculator](https://toolcrate.dev/rental-property-roi-calculator/): No email, no lead form, unlike most "free" versions
- [Concrete & Lumber Calculator](https://toolcrate.dev/concrete-lumber-calculator/): Slab volume + bag count, plus board-foot lumber
- [Loan Payoff Calculator](https://toolcrate.dev/loan-payoff-calculator/): Time & interest saved by overpaying
- [Car Loan Calculator](https://toolcrate.dev/car-loan-calculator/): Down payment, trade-in, and sales tax included
- [Debt Payoff Calculator](https://toolcrate.dev/debt-payoff-calculator/): Snowball vs. avalanche, compared side by side
- [Amortization Schedule Calculator](https://toolcrate.dev/amortization-schedule/): Full month-by-month principal/interest breakdown
- [Mortgage Refinance Break-Even Calculator](https://toolcrate.dev/refinance-calculator/): Months to recoup closing costs, no lender bias
- [Home Affordability Calculator](https://toolcrate.dev/home-affordability-calculator/): 28/36 rule, no lender bias baked in
- [Federal Tax Bracket Calculator](https://toolcrate.dev/tax-bracket-calculator/): 2025 IRS brackets, verified against irs.gov
- [Compound Interest Calculator](https://toolcrate.dev/interest-calculator/): Savings growth, yearly breakdown
- [Simple Interest Calculator](https://toolcrate.dev/simple-interest-calculator/): No compounding, quick estimate
- [Savings Goal Calculator](https://toolcrate.dev/savings-goal-calculator/): How much to save monthly for a target
- [FIRE Calculator](https://toolcrate.dev/fire-calculator/): Your number to retire, years to reach it
- [Percentage Calculator](https://toolcrate.dev/percentage-calculator/): Three common percentage calculations
- [Tip Calculator](https://toolcrate.dev/tip-calculator/): Split the bill, pick a tip percentage
- [BMI Calculator](https://toolcrate.dev/bmi-calculator/): Metric or imperial, standard WHO ranges
- [Discount Calculator](https://toolcrate.dev/discount-calculator/): Sale price and savings from a % off
- [Unit Price Comparator](https://toolcrate.dev/unit-price-comparator/): Compare $/unit across package sizes
- [Markup & Margin Calculator](https://toolcrate.dev/markup-calculator/): Selling price from cost and markup
- [Break-Even Calculator](https://toolcrate.dev/breakeven-calculator/): Units needed to cover fixed costs
- [Age Calculator](https://toolcrate.dev/age-calculator/): Exact age, or time between two dates
- [Date Calculator](https://toolcrate.dev/date-calculator/): Days between dates, or add/subtract days
- [GPA Calculator](https://toolcrate.dev/gpa-calculator/): Standard 4.0 scale, add courses freely
- [Weighted Grade Calculator](https://toolcrate.dev/weighted-grade-calculator/): Final grade from weighted categories
- [Unit Converter](https://toolcrate.dev/unit-converter/): Length, weight, and temperature
- [Currency Converter](https://toolcrate.dev/currency-converter/): Live daily exchange rates
- [Recipe Converter & Scaler](https://toolcrate.dev/recipe-converter/): Cups/tbsp/ml/grams, or scale to new servings
- [VAT & Sales Tax Calculator](https://toolcrate.dev/vat-calculator/): Add or remove tax from a price
- [Net Worth Calculator](https://toolcrate.dev/networth-calculator/): Assets minus liabilities, private
- [Grade Needed Calculator](https://toolcrate.dev/grade-needed-calculator/): Score needed on a final to hit your target
- [TDEE & Calorie Calculator](https://toolcrate.dev/tdee-calculator/): BMR, maintenance calories, cut/bulk targets
- [One-Rep-Max Calculator](https://toolcrate.dev/one-rep-max-calculator/): Epley & Brzycki formulas, full training table
- [Running Pace Calculator](https://toolcrate.dev/running-pace-calculator/): Pace/time/distance, plus race-time predictions
- [Sleep Cycle Calculator](https://toolcrate.dev/sleep-cycle-calculator/): Bedtimes/wake times aligned to 90-minute cycles
- [Mortgage Overpayment Calculator](https://toolcrate.dev/mortgage-overpayment-calculator/): Time & interest saved by paying extra
- [UK Take-Home Pay Calculator](https://toolcrate.dev/take-home-pay-calculator/): Income Tax & NI, every band editable
- [UK Stamp Duty Calculator](https://toolcrate.dev/stamp-duty-calculator/): England & NI SDLT, FTB relief, surcharge
- [ROI Calculator](https://toolcrate.dev/roi-calculator/): Return on investment, plus annualized rate
- [Fuel Economy Converter](https://toolcrate.dev/fuel-economy-converter/): MPG (UK/US), L/100km, km/L at once
- [Calories Burned Calculator](https://toolcrate.dev/calories-burned-calculator/): MET-based, any activity, any weight
- [Quiz Score Analyser](https://toolcrate.dev/quiz-score-analyser/): Percentage and letter grade, editable bands
- [Product Comparison Scorecard](https://toolcrate.dev/product-comparison-scorecard/): Weighted criteria, ranked winner
- [Working Day Deadline Calculator](https://toolcrate.dev/working-day-deadline-calculator/): Skips weekends & UK bank holidays

## Generators
- [QR Code Generator](https://toolcrate.dev/qr-code-generator/): Any text or link, downloadable PNG
- [QR Code Scanner](https://toolcrate.dev/qr-code-scanner/): Camera or image, decoded on-device, no app
- [Barcode Generator](https://toolcrate.dev/barcode-generator/): Code128, EAN-13, UPC
- [Password Generator](https://toolcrate.dev/password-generator/): Cryptographically random, adjustable
- [UUID Generator](https://toolcrate.dev/uuid-generator/): Random UUID v4, one or in bulk
- [Random Number Generator](https://toolcrate.dev/random-number-generator/): Any range, with or without duplicates
- [Countdown Timer](https://toolcrate.dev/countdown-timer/): Count down to any date and time
- [Meme Generator](https://toolcrate.dev/meme-generator/): Top/bottom text, no watermark
- [Fibonacci Sequence Generator](https://toolcrate.dev/fibonacci-generator/): Exact BigInt values, any length

## DevOps, Cloud & Infrastructure
- [.gitignore Generator](https://toolcrate.dev/gitignore-generator/): Node, Python, Java, Go, Rust & more
- [Cron Expression Explainer](https://toolcrate.dev/cron-explainer/): Plain English + next 5 run times
- [Subnet Calculator](https://toolcrate.dev/subnet-calculator/): IPv4 CIDR → network, broadcast, host range
- [CIDR/Subnet Overlap Checker](https://toolcrate.dev/cidr-overlap-checker/): Catch IP range conflicts before they cause an outage
- [DNS Lookup](https://toolcrate.dev/dns-lookup/): A, AAAA, MX, TXT, CNAME, NS records
- [Chmod Calculator](https://toolcrate.dev/chmod-calculator/): rwx matrix → octal and symbolic
- [Docker Compose → Kubernetes/Helm](https://toolcrate.dev/compose-to-kubernetes/): Convert a compose file to manifests or a starter Helm chart
- [Linux Command Cheat Sheet](https://toolcrate.dev/linux-command-cheatsheet/): Searchable sysadmin/DevOps command reference
- [Bash Command Explainer](https://toolcrate.dev/bash-command-explainer/): Breaks down any command, flags & operators
- [PowerShell Command Explainer](https://toolcrate.dev/powershell-command-explainer/): Breaks down cmdlets, parameters & pipeline
- [DevOps & Kubernetes Glossary](https://toolcrate.dev/devops-glossary/): Searchable terminology: containers, k8s, CI/CD, cloud
- [Kubeconfig Viewer & Merger](https://toolcrate.dev/kubeconfig-merger/): See every cluster/context/user at a glance, merge safely
- [Kubernetes Secret Decoder](https://toolcrate.dev/k8s-secret-decoder/): Batch base64 decode/encode a Secret's data block
- [Kubernetes RBAC Visualizer](https://toolcrate.dev/rbac-visualizer/): Plain-English breakdown of who can do what
- [Batch Log Timestamp Converter](https://toolcrate.dev/log-timestamp-converter/): Every ISO/epoch timestamp in a log, converted inline
- [Terraform Plan Summarizer](https://toolcrate.dev/terraform-plan-summarizer/): Clean create/update/destroy breakdown, zero upload
- [Ansible Playbook Explainer](https://toolcrate.dev/ansible-playbook-explainer/): Plain-English, task-by-task breakdown of a playbook
- [Helm values.yaml Explainer, Builder & Diff](https://toolcrate.dev/helm-values-explainer/): Plain-English field breakdown, build with a form, or diff two versions
- [Kustomize Explainer & Builder](https://toolcrate.dev/kustomize-explainer/): Plain-English field breakdown, or build one with a guided form
- [Dockerfile Linter](https://toolcrate.dev/dockerfile-linter/): Unpinned images, root user, cache-busting layers, leaked secrets
- [Nginx Config Generator](https://toolcrate.dev/nginx-config-generator/): Static site, reverse proxy, or load balancer server block
- [systemd Unit File Generator](https://toolcrate.dev/systemd-unit-generator/): ExecStart, User, Restart policy, env vars → .service file
- [GCP IAM Policy Visualizer](https://toolcrate.dev/gcp-iam-visualizer/): Plain-English role bindings, overly broad grants flagged
- [GitHub Actions Workflow Explainer](https://toolcrate.dev/github-actions-explainer/): Triggers, jobs, and every step in plain English
- [Docker Compose Port Conflict Checker](https://toolcrate.dev/compose-port-checker/): Catch host port collisions before docker compose up
- [Kubernetes Resource Request/Limit Calculator](https://toolcrate.dev/k8s-resource-calculator/): Aggregate footprint and pods-per-node estimate
- [SSH Config Generator](https://toolcrate.dev/ssh-config-generator/): Host blocks, including bastion/jump-host ProxyJump
- [.env File Validator](https://toolcrate.dev/env-file-validator/): Duplicate keys, unquoted spaces, likely leaked credentials
- [Web Server Access Log Analyzer](https://toolcrate.dev/access-log-analyzer/): Top IPs, status codes, requests by hour of day
- [Terraform Variable & Output Extractor](https://toolcrate.dev/terraform-variable-extractor/): A module's full interface, no file hunting
- [Terraform State File Viewer](https://toolcrate.dev/terraform-state-viewer/): Browse resources & outputs — never uploaded, unlike most viewers
- [AWS ARN Parser](https://toolcrate.dev/aws-arn-parser/): Partition, service, region, account, resource — explained
- [.gitattributes Generator](https://toolcrate.dev/gitattributes-generator/): Line endings, language presets, Git LFS, vendored paths
- [.env File Diff Tool](https://toolcrate.dev/env-diff-tool/): Catch drift between staging and production
- [Kubernetes Manifest Validator](https://toolcrate.dev/k8s-manifest-validator/): Missing fields, unknown kinds, misconfig smells
- [Docker Image Layer Size Analyzer](https://toolcrate.dev/docker-layer-analyzer/): See which layer is actually bloating your image
- [PromQL Query Explainer](https://toolcrate.dev/promql-explainer/): Metric, filters, range, and every function explained
- [Grafana Dashboard JSON Explainer](https://toolcrate.dev/grafana-dashboard-explainer/): Every panel, datasource, and query at a glance
- [Bash Script Linter](https://toolcrate.dev/bash-script-linter/): Unquoted vars, missing set -e, backticks, unsafe rm -rf
- [Terraform Dependency Visualizer](https://toolcrate.dev/terraform-dependency-visualizer/): Paste .tf directly — no terraform graph, no Graphviz, no install
- [GitHub Actions Secrets & Variables Extractor](https://toolcrate.dev/github-actions-secrets-extractor/): Every secrets.X and vars.X a workflow needs, plus gh CLI setup commands
- [.htaccess to Nginx Converter](https://toolcrate.dev/htaccess-to-nginx-converter/): RewriteRule, Redirect, ErrorDocument, and more
- [.dockerignore Generator](https://toolcrate.dev/dockerignore-generator/): Language presets, secrets, CI config, OS junk
- [htpasswd Generator](https://toolcrate.dev/htpasswd-generator/): bcrypt or SHA1, hashed locally, Apache/Nginx
- [Build Your Own NAS From an Old PC](https://toolcrate.dev/build-your-own-nas/): Beginner's guide: hardware, OS choice, storage pools, shares
- [CIDR/Subnet Splitter](https://toolcrate.dev/subnet-splitter/): Divide a block into equal subnets
- [Dockerfile Generator](https://toolcrate.dev/dockerfile-generator/): Pinned base image, non-root user, cache-friendly layers
- [Kubernetes CronJob Builder](https://toolcrate.dev/k8s-cronjob-builder/): Schedule, image, and policy fields → full YAML
- [Kubernetes App Builder](https://toolcrate.dev/k8s-app-builder/): One form → Deployment, Service, ConfigMap, Secret, Ingress, HPA
- [Kubernetes Architecture Visualizer](https://toolcrate.dev/k8s-architecture-visualizer/): Paste manifests, see how they actually connect
- [.env to Kubernetes ConfigMap/Secret](https://toolcrate.dev/env-to-k8s/): Base64-encodes Secret values automatically
- [Terraform .tfvars Generator](https://toolcrate.dev/terraform-tfvars-generator/): Fill a form from your variable blocks, export .tfvars

## Data & Code Formatters
- [JSON Formatter](https://toolcrate.dev/json-formatter/): Format, validate, and minify JSON
- [JSON Schema Validator](https://toolcrate.dev/json-schema-validator/): Validate JSON against a schema, via tv4
- [Base64 & Base32 Encode/Decode](https://toolcrate.dev/base64-tool/): Text to Base64 or Base32 and back
- [URL Encoder/Decoder](https://toolcrate.dev/url-encoder/): URL-encode or decode any string
- [HTML Entity Encoder](https://toolcrate.dev/html-entity-encoder/): Escape and unescape HTML entities
- [Binary / Hex / Decimal Converter](https://toolcrate.dev/number-base-converter/): All four common number bases live
- [Markdown Previewer](https://toolcrate.dev/markdown-previewer/): Live-rendered side by side
- [Markdown Linter](https://toolcrate.dev/markdown-linter/): Unclosed fences, skipped headings, broken refs
- [CSV ↔ JSON Converter](https://toolcrate.dev/csv-json-converter/): Paste one, get the other, both ways
- [YAML ↔ JSON Converter](https://toolcrate.dev/yaml-json-converter/): Paste one, get the other, both ways
- [Markdown Table Generator](https://toolcrate.dev/markdown-table-generator/): Paste CSV/TSV, get a ready Markdown table
- [JSON to TypeScript Converter](https://toolcrate.dev/json-to-typescript/): Generates interfaces, handles nesting
- [JSON Diff Checker](https://toolcrate.dev/json-diff-checker/): Structural comparison, not line-by-line
- [Query String Builder & Parser](https://toolcrate.dev/query-string-builder/): Build or parse URL params, both directions
- [Image to Base64 Encoder](https://toolcrate.dev/base64-image-encoder/): Data URI for CSS/HTML embedding
- [HTML Minifier](https://toolcrate.dev/html-minifier/): Safe whitespace/comment stripping
- [CSS Minifier](https://toolcrate.dev/css-minifier/): Safe whitespace/comment stripping
- [YAML Linter & Formatter](https://toolcrate.dev/yaml-linter/): Validate syntax with exact error lines, reformat indentation
- [SQL Formatter & Beautifier](https://toolcrate.dev/sql-formatter/): Uppercase keywords, clause line breaks, instant
- [GraphQL Query Formatter & Validator](https://toolcrate.dev/graphql-formatter/): Balanced-brace check plus clean indentation
- [Fake JSON / API Mock Data Generator](https://toolcrate.dev/fake-json-generator/): Define a shape, generate realistic fake records
- [OpenAPI / Swagger Explainer](https://toolcrate.dev/openapi-explainer/): Every endpoint, method, and parameter at a glance
- [JSON Schema Generator](https://toolcrate.dev/json-schema-generator/): Infer a schema from a sample JSON document
- [YAML Diff Tool](https://toolcrate.dev/yaml-diff-tool/): Structural comparison, not line-by-line

## Security & Privacy
- [Hash Generator](https://toolcrate.dev/hash-generator/): SHA-1, SHA-256, SHA-384, SHA-512
- [File Checksum Verifier](https://toolcrate.dev/file-checksum-verifier/): Verify a download against a published checksum
- [File Type Identifier](https://toolcrate.dev/file-type-identifier/): Detects disguised files from real magic bytes
- [Subresource Integrity (SRI) Hash Generator](https://toolcrate.dev/sri-hash-generator/): Protect against a compromised CDN, never leaves your browser
- [Secrets Scanner](https://toolcrate.dev/secrets-scanner/): Catch exposed API keys/tokens before you commit
- [Content Security Policy Builder & Analyzer](https://toolcrate.dev/csp-builder/): Build a CSP, or flag risky patterns in an existing one
- [Credit Card Validator (Luhn)](https://toolcrate.dev/luhn-validator/): Checksum + network detection
- [IBAN Validator](https://toolcrate.dev/iban-checker/): MOD-97 checksum check
- [Password Strength Checker](https://toolcrate.dev/password-strength-checker/): Entropy, crack time, nothing sent
- [Password Breach Checker](https://toolcrate.dev/password-breach-checker/): k-anonymity — password hashed locally, never sent
- [JWT Decoder](https://toolcrate.dev/jwt-decoder/): Header + payload, expiry check, nothing sent
- [What Is My IP Address?](https://toolcrate.dev/what-is-my-ip/): Public IP + browser/OS/timezone info
- [WebRTC Leak Checker](https://toolcrate.dev/webrtc-leak-checker/): Check if WebRTC exposes your real IP behind a VPN
- [Gravatar Privacy Checker](https://toolcrate.dev/gravatar-privacy-checker/): See what's publicly linked to an email, hashed locally
- [Privacy & Fingerprint Checker](https://toolcrate.dev/privacy-fingerprint-checker/): Canvas fingerprint, WebGL renderer, and more
- [URL Safety Signal Checker](https://toolcrate.dev/url-safety-checker/): Spot phishing-style tricks before you click
- [Email Header Analyzer](https://toolcrate.dev/email-header-analyzer/): Delivery path, hop delays, SPF/DKIM/DMARC results
- [JWT Encoder](https://toolcrate.dev/jwt-encoder/): Real HMAC-SHA256 signing via Web Crypto
- [Passphrase Generator](https://toolcrate.dev/passphrase-generator/): Diceware-style, cryptographically random
- [TLS Certificate Decoder & Expiry Checker](https://toolcrate.dev/tls-cert-decoder/): Issuer, subject, SANs, and days until expiry
- [SSH Key Fingerprint Calculator](https://toolcrate.dev/ssh-fingerprint-calculator/): SHA256 fingerprint via Web Crypto, verified against ssh-keygen

## Web Dev & SEO
- [Color Converter](https://toolcrate.dev/color-converter/): HEX, RGB, and HSL, with a picker
- [Favicon Generator](https://toolcrate.dev/favicon-generator/): Every standard size, no upload
- [SEO Title & Meta Checker](https://toolcrate.dev/seo-meta-checker/): Google truncation limits, live preview
- [Social Share Preview](https://toolcrate.dev/og-preview/): See link cards before you post
- [Screen Resolution Checker](https://toolcrate.dev/screen-resolution/): Viewport, DPR, browser info
- [Color Contrast Checker](https://toolcrate.dev/contrast-checker/): WCAG AA/AAA pass/fail, live preview
- [Color-Blindness Simulator](https://toolcrate.dev/colorblind-simulator/): Preview protanopia, deuteranopia, tritanopia
- [Accessible Color Palette Generator](https://toolcrate.dev/accessible-palette-generator/): Okabe & Ito colorblind-safe palette for charts
- [HTTP Status Codes Reference](https://toolcrate.dev/http-status-codes/): Searchable, plain-English meanings
- [robots.txt Generator](https://toolcrate.dev/robots-txt-generator/): Allow/disallow rules, sitemap reference
- [robots.txt Tester](https://toolcrate.dev/robots-txt-tester/): Google's own longest-match algorithm, verified
- [Sitemap.xml Generator](https://toolcrate.dev/sitemap-generator/): Paste URLs, set changefreq and priority
- [Meta Tag Generator](https://toolcrate.dev/meta-tag-generator/): Title, description, OG & Twitter Card tags
- [Schema Markup Generator](https://toolcrate.dev/schema-markup-generator/): JSON-LD for Article, Product, FAQ & more

## General Dev Utilities
- [Regex Tester](https://toolcrate.dev/regex-tester/): Live match highlighting, JS flavor
- [Unix Timestamp Converter](https://toolcrate.dev/timestamp-converter/): Epoch seconds to date and back
- [Prime Number Checker](https://toolcrate.dev/prime-number-checker/): Check or list primes up to a limit
- [cURL Command Builder](https://toolcrate.dev/curl-builder/): Method, headers, body → ready command
- [Open Source License Generator](https://toolcrate.dev/license-generator/): MIT, Apache 2.0, GPL 3.0 & more, verbatim
- [ULID Generator](https://toolcrate.dev/ulid-generator/): Sortable unique IDs, timestamp-prefixed
- [Conventional Commit Builder](https://toolcrate.dev/conventional-commit-builder/): Type, scope, breaking change footer
- [Code Explainer](https://toolcrate.dev/code-explainer/): Paste a function, get an instant structural breakdown — plus optional on-device AI
- [Semver Calculator & Comparator](https://toolcrate.dev/semver-calculator/): Compare, bump, or check a version against a range
- [Webhook Payload Inspector](https://toolcrate.dev/webhook-payload-inspector/): GitHub, Stripe, Slack auto-detected and explained
- [HAR File Analyzer](https://toolcrate.dev/har-file-analyzer/): Slowest requests, failures, content-type breakdown
- [Visual Regex Builder](https://toolcrate.dev/regex-builder/): Click to compose a pattern, live match highlighting
- [curl to Code Converter](https://toolcrate.dev/curl-to-code-converter/): JavaScript, Python, or PHP from a curl command

## On-device AI
- [Face Blur Tool](https://toolcrate.dev/face-blur-tool/): AI face detection blurs photos or live webcam, on-device
- [AI Background Remover](https://toolcrate.dev/ai-background-remover/): Cuts out the background with a ~7MB on-device model
- [Speech to Text Transcriber](https://toolcrate.dev/speech-to-text-transcriber/): On-device Whisper AI — record or upload, nothing sent anywhere
- [Image to Text (OCR)](https://toolcrate.dev/image-to-text-ocr/): Extract text from photos/screenshots, 8 languages, on-device
- [Offline AI Translator](https://toolcrate.dev/ai-translator/): Neural translation, English + 9 languages, works offline
- [AI Image Upscaler](https://toolcrate.dev/ai-image-upscaler/): Sharpens and doubles resolution with an ~18MB on-device model

## File & privacy tools
- [File Encryptor / Decryptor](https://toolcrate.dev/file-encryptor/): Real AES-256-GCM, native Web Crypto API, never leaves your browser
- [Password Vault](https://toolcrate.dev/password-vault/): Encrypted locally with a master password, never synced
- [TOTP Authenticator](https://toolcrate.dev/totp-authenticator/): RFC 6238 2FA codes, generated locally, never synced
- [Screen Recorder](https://toolcrate.dev/screen-recorder/): Record screen/window + mic, no time limit, no upload
- [Clean Article Reader](https://toolcrate.dev/clean-article-reader/): Strip ads, popups, and life-story preamble from any page
- [Audio Trimmer & Normalizer](https://toolcrate.dev/audio-trimmer/): Drag to trim, peak-normalize volume, export WAV
- [AI Noise Remover & Dialogue Booster](https://toolcrate.dev/audio-noise-remover/): Real neural denoiser, voice-aware boost, manual mute tool
- [Subtitle Resync & Cleaner](https://toolcrate.dev/subtitle-resync-tool/): Fix drift, correct frame-rate, strip tags, SRT/VTT convert
- [CSV / TSV Diff & Dedupe](https://toolcrate.dev/csv-diff-tool/): Row- and cell-aware comparison, plus duplicate finder
- [Merge PDF Files](https://toolcrate.dev/pdf-merge/): Combine and reorder PDFs, never leaves your browser
- [Split & Extract PDF Pages](https://toolcrate.dev/pdf-split/): Pull a page range, or split every page, never leaves your browser
- [PdfCraft](https://toolcrate.dev/pdfcraft/): Full PDF workbench: view, organize, fill, sign, edit
- [Image ⇄ PDF Converter](https://toolcrate.dev/image-pdf-converter/): Images to PDF, or PDF pages back to PNG
- [EXIF Metadata Remover](https://toolcrate.dev/exif-remover/): Strip GPS, camera model, timestamps
- [PDF Metadata Remover](https://toolcrate.dev/pdf-metadata-remover/): Strip author, company, and software metadata
- [Image Redactor](https://toolcrate.dev/image-redactor/): Black out sensitive info, baked into the pixels
- [Text PII Redactor](https://toolcrate.dev/text-pii-redactor/): Emails, phones, SSNs, Luhn-validated card numbers, IPs
- [Terms of Service Red-Flag Scanner](https://toolcrate.dev/tos-red-flag-scanner/): Spots data-selling, arbitration, auto-renewal clauses
- [Data Deletion Request Letter Generator](https://toolcrate.dev/data-deletion-letter-generator/): GDPR/CCPA request, no middleman gets your data
- [Image Format Converter](https://toolcrate.dev/image-format-converter/): PNG, JPG, WebP — batch, adjustable quality
- [Image Compressor](https://toolcrate.dev/image-compressor/): Shrink JPG, PNG, and WebP photos in your browser
- [GIF Maker](https://toolcrate.dev/gif-maker/): Stack images into an animated GIF, reorder and set the delay
- [Gradient Art Generator](https://toolcrate.dev/gradient-art-generator/): Colour blobs, curves, grain and glitter. PNG up to 4x, no account

## Productivity
- [To-Do List](https://toolcrate.dev/todo-list/): Saves automatically in your browser
- [Habit Tracker](https://toolcrate.dev/habit-tracker/): Weekly grid, saves locally
- [Flashcard Maker](https://toolcrate.dev/flashcard-maker/): Make cards, study in quiz mode
- [Pomodoro Timer](https://toolcrate.dev/pomodoro-timer/): Focus sessions with breaks
- [Online Stopwatch](https://toolcrate.dev/stopwatch/): Start, stop, and record laps
- [World Clock](https://toolcrate.dev/world-clock/): Live time in cities worldwide
- [Time Zone Converter](https://toolcrate.dev/timezone-converter/): Convert a specific time between zones
- [Meeting Time Planner](https://toolcrate.dev/meeting-time-planner/): Find overlapping working hours across timezones

## Fun & miscellaneous
- [Caesar Cipher & ROT13](https://toolcrate.dev/caesar-cipher/): Classic letter-shift ciphers
- [Roman Numeral Converter](https://toolcrate.dev/roman-numeral-converter/): Numbers to numerals and back
- [Emoji Picker](https://toolcrate.dev/emoji-picker/): Search and copy emoji instantly
- [YouTube Thumbnail Downloader](https://toolcrate.dev/youtube-thumbnail-downloader/): Every resolution, straight from YouTube's CDN
- [UK Holiday Countdown](https://toolcrate.dev/uk-holiday-countdown/): Halloween, Bonfire Night, Black Friday, Christmas
- [UK Clocks Change Dates](https://toolcrate.dev/uk-clocks-change-dates/): When BST starts and ends, calculated live
- [Full Moon Dates](https://toolcrate.dev/full-moon-dates/): Next six full moons, calculated live
- [UK Sunset Times](https://toolcrate.dev/uk-sunset-times/): Sunrise & sunset for major UK cities

## Game night
- [Dice Roller & Coin Flip](https://toolcrate.dev/dice-roller/): d4 to d100, fair and instant
- [Virtual Card Deck](https://toolcrate.dev/card-drawer/): Shuffled 52-card deck, draw without repeats
- [Wheel Spinner](https://toolcrate.dev/wheel-spinner/): Animated spin-to-pick wheel
- [Random Name Picker](https://toolcrate.dev/random-picker/): Pick names for raffles or teams
- [Team Randomizer](https://toolcrate.dev/team-randomizer/): Split a name list into balanced random teams
- [Tournament Bracket Generator](https://toolcrate.dev/tournament-bracket/): Randomized single-elimination bracket, byes handled
- [Score Tracker](https://toolcrate.dev/score-tracker/): Multiplayer scoreboard, saves as you play
- [Turn Timer](https://toolcrate.dev/turn-timer/): Chess-clock style per-turn countdown
- [Fantasy Name Generator](https://toolcrate.dev/fantasy-name-generator/): D&D character names by race
- [Charades & Pictionary Words](https://toolcrate.dev/charades-word-generator/): Pick a category, reveal one word at a time
- [Bingo Card Generator](https://toolcrate.dev/bingo-card-generator/): Classic numbers or custom words, printable
- [RPG HP & Initiative Tracker](https://toolcrate.dev/rpg-hp-tracker/): D&D combat tracker, damage/heal, saves locally
- [Poker Chip Calculator](https://toolcrate.dev/poker-chip-calculator/): Chip breakdown per player for any buy-in
- [Quiz Buzzer](https://toolcrate.dev/buzzer/): First-to-buzz for trivia night, tap or press a key

## Trading card & video games
- [Life Counter](https://toolcrate.dev/life-counter/): Magic: The Gathering / Commander life tracker
- [Yu-Gi-Oh LP Counter](https://toolcrate.dev/yugioh-life-point-counter/): 8000/4000/16000 presets, coin toss, dice roll
- [WoW Classic DKP Tracker](https://toolcrate.dev/wow-dkp-tracker/): Guild loot point ledger, CSV export, saves locally
- [WoW Classic Loot Roll Tracker](https://toolcrate.dev/wow-loot-roll/): Roll 1-100 for every player, ranked instantly
- [WoW Classic AH Flip Calculator](https://toolcrate.dev/wow-ah-flip-calculator/): Real profit after the 5%/15% auction house cut
- [CPS Test](https://toolcrate.dev/cps-test/): Clicks-per-second speed test, tracks your best
- [Reaction Time Test](https://toolcrate.dev/reaction-time-test/): Visual reaction time in milliseconds, 5 rounds
- [Minecraft Coordinate Calculator](https://toolcrate.dev/minecraft-coordinate-calculator/): Overworld ↔ Nether conversion, both directions
- [Dice Pool Roller](https://toolcrate.dev/dice-pool-roller/): Success-counting dice for World of Darkness, Shadowrun
- [Chess Elo Calculator](https://toolcrate.dev/chess-elo-calculator/): Standard formula, selectable K-factor
- [D&D 5e Encounter Calculator](https://toolcrate.dev/dnd-encounter-calculator/): Official DMG XP thresholds & multiplier
- [Borderlands 3 Skill Tree Planner](https://toolcrate.dev/borderlands-3-skill-planner/): Amara, FL4K, Moze, Zane — real tier-gating by level
- [Pokémon Early-Game Team Builder](https://toolcrate.dev/pokemon-team-builder/): Random, type-balanced team from what's catchable by gym 3-4
- [Tiny Tina's Wonderlands Skill Planner](https://toolcrate.dev/wonderlands-skill-planner/): All 6 classes, real multiclass with shared point budget

## Browser games
- [Crate Quest](https://toolcrate.dev/crate-quest/): A real little platformer — you play a wooden crate
- [Connect Four vs. AI](https://toolcrate.dev/connect-four/): Real alpha-beta minimax opponent, 3 strengths
- [Balloon Tower Defense](https://toolcrate.dev/balloon-tower-defense/): Place towers, pop 15 waves of balloons before they leak
- [Line Rider Sled](https://toolcrate.dev/line-rider-sled/): Draw a track with limited ink, ride it to the flag
- [Echoes of Aetheria](https://toolcrate.dev/echoes-of-aetheria/): Creature RPG prototype: harmonize Synths, battle, save your progress
- [Resonance Synths](https://toolcrate.dev/resonance-synths/): Creature-collecting RPG: tune, harmonize, battle a Circuit Master
- [Word Ladder Puzzle](https://toolcrate.dev/word-ladder/): Every puzzle BFS-verified solvable, real word chains
- [Higher or Lower: Facts Duel](https://toolcrate.dev/higher-lower-facts/): Real sourced numbers, streak game, no lost progress behind a login
- [Retro Game Emulator](https://toolcrate.dev/retro-game-emulator/): NES to N64 — play your own legally-owned ROM backups

## Work tools
- [Meeting Cost Calculator](https://toolcrate.dev/meeting-cost-calculator/): What a meeting really costs, live counter
- [Subscription Cost Tracker](https://toolcrate.dev/subscription-tracker/): See your real monthly/annual total, no bank linking
- [50/30/20 Budget Planner](https://toolcrate.dev/budget-planner/): Needs, wants, savings targets, no bank linking
- [Group Expense Splitter](https://toolcrate.dev/group-expense-splitter/): Who owes whom, minimal transactions, no account
- [UTM Campaign URL Builder](https://toolcrate.dev/utm-campaign-builder/): Build trackable links, history saved locally
- [Overtime Pay Calculator](https://toolcrate.dev/overtime-calculator/): Regular + overtime pay by the week
- [Freelance Hourly Rate Calculator](https://toolcrate.dev/freelance-rate-calculator/): What to charge to hit your income goal
- [Invoice Generator](https://toolcrate.dev/invoice-generator/): Fill in, print, or save as PDF
- [Resume Builder](https://toolcrate.dev/resume-builder/): Print or save as PDF, no watermark
- [Resume ATS Compatibility Checker](https://toolcrate.dev/resume-ats-checker/): Common parsing pitfalls, never leaves your browser
- [Email Signature Generator](https://toolcrate.dev/email-signature-generator/): Copy straight into Gmail, Outlook, Apple Mail
- [DeckCraft](https://toolcrate.dev/deckcraft/): Slide decks: themes, charts, transitions, PowerPoint files
- [GridCraft](https://toolcrate.dev/gridcraft/): Spreadsheet editor, opens and saves real .xlsx files
- [Creative Brief Builder](https://toolcrate.dev/creative-brief-builder/): Goals, audience, deliverables — print or copy
- [Event Run Sheet Builder](https://toolcrate.dev/event-run-sheet-builder/): Timed schedule, auto-sorted, printable
- [Trip Budget Planner](https://toolcrate.dev/trip-budget-planner/): Budget by category, total and per-day
- [UK Holiday Entitlement Calculator](https://toolcrate.dev/uk-holiday-entitlement-calculator/): Statutory 5.6-week minimum, pro-rated
- [Weekly Work Hours Calculator](https://toolcrate.dev/weekly-work-hours-calculator/): Clock-in/out per day, breaks subtracted

## Art & design
- [Sketch Pad](https://toolcrate.dev/sketch-pad/): Pressure-sensitive pencil/pen/marker/eraser
- [Simple Photo Editor](https://toolcrate.dev/simple-photo-editor/): Crop, rotate, adjust, filter — the 90% you need
- [PhotoCraft](https://toolcrate.dev/photocraft/): Full layered editor: masks, type, real PSD files
- [LightCraft](https://toolcrate.dev/lightcraft/): Photo library & non-destructive raw developer
- [DesignCraft](https://toolcrate.dev/designcraft/): Page layout & publishing: frames, type, master pages
- [EffectCraft](https://toolcrate.dev/effectcraft/): Motion graphics & VFX compositor, 300+ effects
- [FilmCraft](https://toolcrate.dev/filmcraft/): Timeline video editor: cutting, color, sound
- [CadCraft](https://toolcrate.dev/cadcraft/): 2D CAD & drafting: snaps, layers, dimensions, DXF
- [Logo & Graphic Maker](https://toolcrate.dev/logo-graphic-maker/): Text + shapes, real SVG export, no paywall
- [Color Palette Generator](https://toolcrate.dev/color-palette-generator/): Random, complementary, analogous, triadic
- [CSS Gradient Generator](https://toolcrate.dev/css-gradient-generator/): Visual linear/radial gradient builder
- [CSS Box Shadow Generator](https://toolcrate.dev/css-box-shadow-generator/): Visual builder, inset support
- [CSS Border Radius Generator](https://toolcrate.dev/css-border-radius-generator/): Per-corner control, organic blob shapes
- [Code to Image](https://toolcrate.dev/code-to-image/): Shareable code screenshots, no signup
- [ASCII Art Text Generator](https://toolcrate.dev/ascii-art-generator/): Big block-letter banners for any text
- [Instagram Toolkit](https://toolcrate.dev/instagram-toolkit/): Resize/crop, grid preview, caption & hashtag checker

## Interior & home
- [Paint Calculator](https://toolcrate.dev/paint-calculator/): How much paint a room needs, metric or imperial
- [Room Layout Planner](https://toolcrate.dev/room-layout-planner/): Drag furniture to scale, rotate, see what fits
- [Color Palette From a Photo](https://toolcrate.dev/color-palette-from-photo/): Extract dominant colors for matching decor
- [Flooring Area Calculator](https://toolcrate.dev/flooring-area-calculator/): Room size + wastage → how much to buy
- [Tile Calculator](https://toolcrate.dev/tile-calculator/): Room area + tile size → tiles & boxes
- [Appliance Running Cost Calculator](https://toolcrate.dev/appliance-running-cost-calculator/): Heater, blanket, dehumidifier & more

## Music & hobbies
- [Online Metronome](https://toolcrate.dev/online-metronome/): Adjustable BPM, tap tempo, accented beats
- [Morse Code Translator](https://toolcrate.dev/morse-code-translator/): Text to Morse, with audio playback
- [Sheet Music Composer](https://toolcrate.dev/sheet-music-composer/): Cut-down notation editor — play back, export PNG/MIDI
- [Voice to Sheet Music](https://toolcrate.dev/voice-to-sheet-music/): Notates the actual melody hidden in your speech
- [Guitar Tab ⇄ Sheet Music Converter](https://toolcrate.dev/guitar-tab-sheet-music-converter/): Enter either format, both stay in sync — no text parsing
- [Web Synthesizer](https://toolcrate.dev/web-synthesizer/): Polyphonic synth + sampler: filter, envelopes, LFO, MIDI in
- [SoundCraft](https://toolcrate.dev/soundcraft/): Multitrack DAW: mixer, plugins, automation, MIDI

## Also from this workshop
- [Offline Toolbox](https://toolcrate.dev/offline-toolbox/): All 106 tools, zero telemetry, works air-gapped — £29