Developer Tools — 11 Tools

Find your current IP address and associated country. Admins can look up any IP address.

Format, validate, and minify JSON with syntax highlighting and error detection. Free, runs in your browser, no signup...

Compare two texts line by line with colored highlighting of differences.

Multi-tab editor with syntax highlighting, live preview, console, 20+ presets and snippet management. Your in-browser...

Create cron expressions visually with preview of next execution times.

Check color contrasts against WCAG 2.1 AA/AAA and APCA (WCAG 3.0). Color blindness simulation, suggestions, palette a...

Calculate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes and HMAC. Hash files and text, verify checksums, batch process...

Decode and analyze JWT tokens. Header, payload and expiry at a glance.

Test regular expressions with live highlighting and German pattern presets.

Format and minify SQL queries with syntax highlighting.

Validate and format XML documents with error detection.