UUID Generator — v4 & v7
Developer Tools
Generate RFC 9562 UUIDs (v4 and v7) in one click. Runs entirely offline in your browser. No tracking, no permissions.
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io.withuse
2 listings we've seen · as of 7 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.
Base64 Encoder & Decoder
Developer Tools
Encode and decode Base64 and base64url, including non-ASCII text. Runs entirely offline. No tracking, no permissions.
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