JWT Decoder, Base64 & URL Encode/Decode, JSON Formatter, Hash Generator
Decode JWT, Base64 & URL offline — 100% local processing. JSON format/minify, SHA-256/MD5 hashes, history, right-click menu.
Generate UUID v4 and compute MD5, SHA-1, and SHA-256 for text. Clean, minimal UI. No permissions required.
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UUID & Hash – Newspaper is a fast, minimalist popup utility for creating UUID v4 and computing common hashes—MD5, SHA-1, and SHA-256—right in your browser. Open the popup, paste or type any text, and copy the result in one click. Built to be simple and distraction-free, it requires no unnecessary permissions and keeps your workflow tidy—perfect for developers, QA, analysts, and anyone who needs quick, reliable identifiers and checksums.
Highlights
Generate UUID v4 instantly
Compute MD5, SHA-1, and SHA-256 for any text
Clean, minimal popup interface
No permissions required
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