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Base64 Encode / Decode

Encode & decode Base64 — Unicode & URL-safe, file-to-data-URI, plus a JWT decoder, image preview, hex view and gzip. Nothing leaves your browser.

base64.sh

runs in your browser · nothing uploaded

Auto-detect direction URL-safe (-_ , no padding) Hex view (decoded bytes) Encode a file → data URI

Plain text

Base64

hex dump

$ ls ~/tools

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