Developer
Tokens, hashes, encodings, passwords, and other bench tools
SHA-1/256/384/512 and MD5 of text or a file, computed locally.
Read a JWT header and payload locally. Signatures are not verified.
Try a regular expression against sample text and replace matches.
Convert Unix time to ISO and back.
Turn a 5-field cron expression into plain language.
Convert integers between bases 2 and 36.
Convert between HEX, RGB, HSL, and HSV, with a color picker.
Check WCAG contrast between foreground and background colors.
Validate ISBN-10/13, EAN-13, and IBAN check digits locally.
Encode or decode Base64 for plain text or whole files.
Percent-encode or decode URL components safely.
Encode or decode < & and numeric entities.
Create version 4 or version 7 UUIDs on this device.
