Encoding & Security
Base64 Encoder / Decoder
Encode and decode Unicode-safe Base64 and unpadded Base64URL.
Runs locally in your browserLoading the local workbench…
About this tool
Convert between UTF-8 text and Base64 with browser encoding APIs. Base64URL uses the URL-safe alphabet and accepts omitted padding.
Common uses
- Inspect encoded API values
- Prepare URL-safe tokens
- Round-trip Unicode and emoji