← All tools
Tools for developers
The ones you'd otherwise reach for a VS Code extension or an npm package to do — instead, open a tab.
JSON Formatter & ValidatorFormat, validate, minify
Regex TesterLive match highlighting, JS flavor
Hash GeneratorSHA-1 / 256 / 384 / 512
Base64 Encode/Decode
URL Encoder/Decoder
HTML Entity Encoder
UUID Generatorv4, bulk output
Unix Timestamp Converter
Binary / Hex / Decimal Converter
Markdown Previewer
CSS Gradient Generator
Slug Generator
Whitespace & Text Cleaner
JWT DecoderHeader + payload + expiry check
Cron Expression ExplainerPlain English + next 5 runs
cURL Command BuilderNo more memorizing flags
Subnet CalculatorIPv4 CIDR made readable
CSV ↔ JSON ConverterBoth directions, client-side
What Is My IP Address?Public IP + browser/OS info
DNS LookupA, AAAA, MX, TXT, CNAME, NS records
Color Contrast CheckerWCAG AA/AAA pass/fail
YAML ↔ JSON ConverterBoth directions, client-side
Markdown Table GeneratorPaste CSV/TSV, get Markdown
HTTP Status Codes ReferenceSearchable, plain-English
Docker Compose → Kubernetes/HelmConvert compose files to manifests or a Helm chart
Linux Command Cheat SheetSearchable sysadmin/DevOps reference
DevOps & Kubernetes GlossaryContainers, k8s, CI/CD, cloud terms
Kubeconfig Viewer & MergerSee every cluster/context/user at a glance, merge safely
Kubernetes Secret DecoderBatch base64 decode/encode a Secret's data block
Kubernetes RBAC VisualizerPlain-English breakdown of who can do what
Batch Log Timestamp ConverterEvery ISO/epoch timestamp in a log, converted inline
Terraform Plan SummarizerClean create/update/destroy breakdown, zero upload
Ansible Playbook ExplainerPlain-English, task-by-task breakdown of a playbook
Code ExplainerPaste a function, get a structural breakdown
Helm values.yaml Explainer, Builder & DiffExplain, build, or diff, plain English
Kustomize Explainer & BuilderExplain or build, plain English
Dockerfile LinterCatch mistakes before you build
YAML Linter & FormatterValidate syntax, exact error lines
Nginx Config GeneratorStatic, proxy, or load balancer
systemd Unit File GeneratorWorking .service file from a form
GCP IAM Policy VisualizerWho has which roles, in plain English
GitHub Actions Workflow ExplainerTriggers, jobs, steps explained
Docker Compose Port Conflict CheckerCatch collisions before you run it
Kubernetes Resource CalculatorAggregate CPU/memory, pods per node
SSH Config GeneratorHost blocks, bastion/jump hosts
.env File ValidatorDupes, unquoted spaces, leaked creds
Web Server Access Log AnalyzerTop IPs, status codes, hourly traffic
TLS Certificate DecoderIssuer, subject, SANs, expiry
Terraform Variable & Output ExtractorA module's interface at a glance
Terraform State File ViewerBrowse resources & outputs, never uploaded
Semver CalculatorCompare, bump, check against a range
AWS ARN ParserEvery segment explained
.gitattributes GeneratorLine endings, LFS, vendored paths
.env File Diff ToolCatch staging/prod drift
SQL FormatterUppercase keywords, clause breaks
GraphQL Formatter & ValidatorBalance check plus clean indent
Webhook Payload InspectorGitHub/Stripe/Slack auto-detected
HAR File AnalyzerSlowest/failed requests at a glance
Fake JSON GeneratorDefine a shape, get mock records
Kubernetes Manifest ValidatorMissing fields, misconfig smells
Docker Layer Size AnalyzerWhich layer is bloating your image
PromQL ExplainerEvery function/filter explained
Grafana Dashboard ExplainerEvery panel and query at a glance
Bash Script LinterUnquoted vars, unsafe rm -rf, more
Visual Regex BuilderClick to compose, live highlighting
Terraform Dependency VisualizerPaste .tf directly, no install
GH Actions Secrets ExtractorEvery secrets.X and vars.X needed
.htaccess to Nginx ConverterRewriteRule, Redirect, and more
curl to Code ConverterJS, Python, or PHP
.dockerignore GeneratorLanguage presets, secrets, CI
htpasswd Generatorbcrypt or SHA1, hashed locally
OpenAPI / Swagger ExplainerEvery endpoint at a glance
JSON Schema GeneratorInfer a schema from sample JSON