Fast, free developer utilities that run entirely in your browser. No data is ever sent to a server.
Format, minify, and validate JSON. Syntax highlighting, instant feedback.
Encode text to Base64 or decode Base64 back to plain text. UTF-8 aware.
Decode JSON Web Tokens, inspect claims, and check expiration status.
Generate cryptographically secure UUID v4 identifiers. Bulk generation supported.
Encode special characters for URLs or decode percent-encoded strings.
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
All processing happens in your browser. No data ever leaves your device.
No loading screens, no servers. Results appear the moment you click.
Core tools are free forever. No signup, no credit card, no limits.