Developer Tools
Format, encode, decode, and generate — without pasting secrets into random sites.
JSON Formatter
Format, validate, and minify JSON with instant error pinpointing.
Base64 Encode / Decode
Encode text or files to Base64 — and decode back — UTF-8 safe, with a URL-safe option.
URL Encode / Decode
Percent-encode and decode text for URLs — plus a parser that breaks any URL into its parts.
UUID Generator
Generate cryptographically random UUID v4s — one or a thousand — with code-ready formatting.
Hash Generator
MD5, SHA-1, SHA-256, SHA-384, and SHA-512 for text or files — computed in your browser.
JWT Decoder
Decode a JWT’s header and payload, read the claims, and check expiry — without the token leaving your browser.
CSV to JSON Converter
CSV to JSON and back — with real quoting rules, delimiter detection, and type inference.
Unix Timestamp Converter
Unix timestamps to readable dates and back — seconds or milliseconds, auto-detected.
Regex Tester
Write a regex and watch matches highlight live — with groups, flags, and a replace preview.
Link Shortener
Shorten any link to nofolo.com/r/… — with click stats, editing, and an optional QR code.