Base64 Encoder / Decoder
Encode or decode API payloads instantly.
Convert text to Base64 (or Base64url) and decode payloads safely in your browser. Great for tokens, headers, and webhook payload debugging.
Input
Tip: Base64url replaces +/ with -_ and removes padding.
Output
Waiting for input--
Base64 tips
Base64 vs Base64url
Base64url replaces +/ with -_ and removes padding for safe URLs.
Binary payloads
Binary data may decode to non-printable characters. Use UTF-8 text when possible.
JWT segments
JWT header and payload are Base64url without padding.