Base64 Encoder & Decoder
Convert between plain text (UTF-8) and Base64 in your browser. Useful for API payloads, authorization headers, and debugging integrations.
- Encode text to Base64 for API payloads or Authorization headers.
- Decode Base64/Base64URL back to UTF-8 text.
- Handy for JWT parts, tokens, and debugging.
Text <-> Base64
Type or paste text on the left and encode it to Base64, or paste Base64 on the right and decode back to text. All processing happens locally in your browser.
Text (UTF-8)
Base64
Runs 100% locally in your browser