Developer Tools
A collection of handy utilities to streamline your development workflow. Select a tool to get started.
Cron Builder
Create and read cron expressions with human-friendly previews.
Google SERP Snippet Emulator
Preview and optimize your webpage's Title, Description, and URL for Google search results. Check character counts and estimated pixel widths.
OpenGraph & Meta Tag Generator
Generate essential Open Graph and X Card meta tags for improved social sharing previews and SEO.
Regex Highlighter
Highlight matching text in real-time using your custom regular expressions.
JWT Debugger / Decoder
Decode and inspect JSON Web Tokens (JWTs). Instantly view header, payload, signature, and expiration status.
UUID Generator & Validator
Generate v1 or v4 UUIDs, validate existing ones, detect versions, and inspect v1 timestamps.
Base64 Encoder / Decoder
Encode text or files to Base64, or decode Base64 back to its original form. Supports text input and file drag-and-drop.
Color Converter & Picker
Convert colors between HEX, RGB, HSL. Get Tailwind suggestions and pick colors from your screen.
Text Case Converter
Instantly convert text between camelCase, snake_case, kebab-case, PascalCase, Title Case, CONSTANT_CASE, and more. Format JSON keys easily.
JSON to TypeScript Converter
Instantly convert JSON objects or arrays into clean TypeScript interfaces or type aliases.
YAML ⇄ JSON Converter
Instantly convert data between YAML and JSON formats with real-time updates and syntax highlighting.
Hash Generator & Verifier
Generate MD5, SHA-1, SHA-256, SHA-512, and bcrypt hashes. Verify strings against known hashes.
CUID & CUID2 Generator
Generate collision1 -resistant unique identifiers (CUID vand CUID2) instantly.
File Size Estimator
Estimate original and compressed (gzip, brotli) sizes for text or files to gauge network transfer impact.
Timestamp Converter
Convert Unix timestamps (seconds/ms), ISO 8601 strings, and human-readable dates. View local time, relative time, and next cron times.
JWT Faker
Decode, verify (HMAC), and generate JSON Web Tokens (JWT) directly in your browser.
SEO Structure Sniffer
Quickly analyze pasted HTML for basic on-page SEO structure: heading counts (H1, H2, H3), missing image alt text, and internal/external link counts.