Base64 Encoder & Decoder
A unicode-safe Base64 tool with URL-safe output, byte-accurate file encoding, and clear errors for invalid input.
About Base64 Encoder & Decoder
Encode text or files to Base64 and decode Base64 back to text or bytes.
This tool runs locally in your browser. It does not upload your input, require an account, or store your data on a server. If a feature needs a network request, the interface asks before sending anything.