Compare two blocks of text line by line and highlight added and removed lines.
Diff Checker is a browser-based diff tool for compare two blocks of text line by line and highlight added and removed lines. Great for diff workflows like compare. Designed to be fast, focused, and easy to use.
Compare two blocks of text line by line and highlight added and removed lines. It runs in your browser for quick results.
Your input stays in your browser. If a tool needs a network request, it will say so.
Yes. The tool is responsive and works on mobile devices.
JSON Formatter
Format, minify, and validate JSON.
Base64 Encode/Decode
Encode/decode Base64 (text or file).
URL Encode/Decode
Encode/decode URLs, query strings, and parameter values.
Hash Generator
Generate SHA hashes for text or files locally in your browser.
Color Contrast Checker
Calculate contrast ratios for text/background colors to meet WCAG standards.
tsconfig.json Generator
Generate a modern tsconfig.json for Next.js, React, Vue, Nuxt, Angular, Node.js, or libraries.