Format, validate, and transform code and data on the fly.
Beautify, validate, and explore JSON with instant error highlighting and a live tree view.
Create strong, random passwords with custom length and character options — generated securely in your browser.
Encode and decode Base64 text instantly — processed 100% locally in your browser.
Generate one or thousands of random UUID v4 identifiers instantly — processed 100% locally.
Compute SHA-1, SHA-256, SHA-384, and SHA-512 hashes of text or files — processed 100% locally.
Decode a JWT's header and payload instantly — processed 100% locally, signature never verified server-side.
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more formats instantly.
Generate social share meta tags with a live preview of how your link will look when shared.
Test regular expressions with live match highlighting and capture group inspection — 100% local.
Percent-encode or decode URLs and query strings instantly — processed 100% locally.
Convert JSON into TypeScript interfaces, type aliases, or Zod validation schemas instantly.
Turn any title or text into a clean, SEO-friendly URL slug instantly.
Compare two blocks of text and see exactly what changed, line by line.
Convert between JSON and YAML instantly, in either direction.
Convert between CSV and JSON formats instantly, in both directions — processed 100% locally.
Write Markdown and preview the rendered HTML output live — 100% local, sanitized rendering.
Format messy SQL queries into readable statements, or minify them to a single line.
Capitalize titles and headlines correctly using APA, Chicago, MLA, or AP style rules.
Convert a JSON array of objects into a CSV file, ready to open in a spreadsheet.
Strip comments and unnecessary whitespace from HTML or CSS to shrink file size.
Generate a keyed-hash HMAC from a message and secret key, computed locally in your browser.
Encode special characters into HTML entities, or decode entities back to readable text.
Remove duplicate lines from a list and sort it however you need.
Find and remove zero-width spaces and other invisible Unicode characters hidden in your text.
Generate placeholder Lorem Ipsum text by words, sentences, or paragraphs — instantly, 100% locally.