Veyth — tiny tools, no tracking

Fast, private, client-side tools for developers and makers. JSON, UUID, regex, JWT & more. No tracking, no upload — everything runs in your browser.

• JSON Formatter & Validator — Format, validate, minify & sort keys. Runs 100% locally.
• UUID Generator & SHA-256 Hash — Generate v4 UUIDs in bulk and SHA-256 hash any text with Web Crypto.
• Regex Tester — Live match, groups and replace — with flag toggles and a library of common patterns.
• Base64 & URL Encoder / Decoder — Encode and decode Base64, Base64URL and URL components — UTF-8 safe, in your browser.
• JWT Decoder — Decode JSON Web Tokens locally — header, payload and expiry. Your token never leaves the page.