Developer Tools
JSON formatters, Base64 enc/decoders, regex testers, and hashers. No software to install, no account needed.
7 tools available·Browser-based·Files stay on your device
JSON Formatter
Format, validate, and minify JSON data with syntax highlighting.
Base64 Encoder / Decoder
Encode and decode strings and files to/from Base64.
Regex Tester
Test and debug regular expressions with live match highlighting.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic digests.
UUID Generator
Generate cryptographically secure v4 UUIDs in bulk.
URL Encoder / Decoder
Safely percent-encode URLs or decode encoded strings and query params.
Markdown Editor & Preview
Edit Markdown with live HTML preview and export options.
Other categories