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Developer tools / Base64 Encoder & Decoder
Base64 Encoder & Decoder
Encode or decode UTF-8 text with standard Base64 or Base64URL.
BASE64
Loading the calculator. You can enter values in a moment.
Input and settings
Choose encode or decode and standard Base64 or Base64URL.
Browser-only result
The interactive tool loads here. Input and results are not put in the URL or sent to a server.