Tools / Base64 Encoder / Decoder
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 back to text. Supports URL-safe variant and auto-decodes JWT payloads.
Common Uses
API keysOften Base64-encoded in Authorization headers
JWT tokensHeader and payload are Base64url-encoded
Webhook secretsStored Base64 in environment variables
Binary dataImages and files embedded in JSON payloads
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