for developers
Encoding, hashing, formatting, and debugging utilities.
14 tools · free, ad-free, processed in your browser
Search and replace text with regex support and case sensitivity toggle.
Compare two texts side-by-side or inline with line-by-line diff.
Write and preview Markdown with live rendering and export.
Check WCAG contrast ratios for accessibility compliance.
Format, beautify, minify, and validate JSON.
Test regex patterns with real-time match highlighting.
Encode and decode Base64 text and files.
Encode and decode URLs, parse query parameters.
Generate MD5, SHA-1, SHA-256, SHA-512 hashes.
Decode JSON Web Tokens with color-coded output.
Generate UUID v4 and ULID identifiers in bulk.
Convert between Unix timestamps and dates.
Build and validate cron expressions visually.
Build a yes/no troubleshooting tree and share it as a link.
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