Base64
Encode and decode Base64, instantly.
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Base64 encodes text or files to Base64 and decodes Base64 strings back to text or a downloadable file, handling UTF-8 text correctly rather than just ASCII, which trips up naive implementations. There's also a URL-safe encoding mode for use in query strings and filenames. Encoding and decoding both happen locally; nothing you paste or upload is sent anywhere.
Frequently asked
- Does it handle non-ASCII text correctly?
- Yes, UTF-8 text is encoded and decoded correctly, including emoji and accented characters, using proper text-decoder handling rather than naive byte casting.
- Can I encode a file, not just text?
- Yes, files can be uploaded and encoded to Base64, and Base64 strings can be decoded back into a downloadable file.