Base64 Encoder & Decoder
Local
Encode text into Base64 or decode Base64 strings with full UTF-8 Unicode support.
Runs entirely on your machine. Zero bytes uploaded to the cloud.
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About Base64 Encoder & Decoder
Fast, private Base64 encoding and decoding. Correctly handles multi-byte UTF-8 characters and emoji without garbled output.
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Frequently Asked Questions about Base64 Encoder & Decoder
Does this tool support emojis and non-English text?▼
Yes. It uses modern TextEncoder and TextDecoder APIs, ensuring 100% compliant UTF-8 binary serialization.