One toolbox. Every dev tool.
23 small, focused utilities across 6 categories — converters, debuggers, generators, and reference tools. Runs in your browser, no sign-up.
Converters & Utilities
cURL → Code Converter
Turn a curl command into fetch, Python, or other client code.
Cron Expression Builder
Build and explain cron schedules in plain English.
Timestamp & Timezone Converter
Convert between epoch, ISO 8601, and local timezones.
Bulk Case Converter
Convert text between camelCase, snake_case, kebab-case, and more.
JSON ↔ String Converter
Escape JSON into a string literal, or unescape it back.
Debugging & Inspection
Webhook / Request Bin
Capture and inspect incoming HTTP requests.
CORS Debugger
Diagnose why a cross-origin request is being blocked.
JWT Decoder & Verifier
Decode a JWT's header/payload and check its signature.
HTTP Status Code & Header Reference
Look up status codes and header meanings.
SSL Certificate Checker
Inspect a host's TLS certificate chain and expiry.
Text & Data
Regex Tester & Explainer
Test a regex against sample text with a plain-English breakdown.
Diff Checker (Text & JSON)
Compare two blocks of text or JSON side by side.
Markdown Table Generator
Paste CSV, get a formatted Markdown table.
Realistic Fake Data Generator (India)
Generate realistic sample data for India-specific fields.
Design & CSS
Color Palette Extractor + Contrast Checker
Extract colors from an image and check WCAG contrast.
Fluid Typography (clamp()) Calculator
Generate a responsive clamp() font-size formula.
Box-Shadow / Gradient / Border-Radius Generators
Visually build common CSS effects and copy the code.
Favicon Generator
Generate a full favicon set from one image.