Encoder / Decoder

Base64, URL, HTML entities, JWT — all in your browser

Input
0 chars, 0 bytes Base64
Output
0 chars, 0 bytes
Quick Reference
Base64 encodes binary data as ASCII text. Common uses: data URIs, email attachments, API payloads.
Encoding: A-Z, a-z, 0-9, +, / (with = padding)