./base64-encoder-decoder
Free Base64 Encoder and Decoder
Encode any text to Base64 or decode a Base64 string back to plain text. Handles full UTF-8 and is tolerant of URL-safe variants and whitespace.
How to Use
- 01Choose Encode or Decode mode.
- 02Paste your text or Base64 input.
- 03Click the action button and copy the result.
FAQ
Does this support Unicode/emoji?▼
Yes. Encoding and decoding use UTF-8, so any text including emoji and non-ASCII characters works correctly.
Can it handle URL-safe Base64?▼
Yes. The decoder tolerates the URL-safe variant (using - and _ instead of + and /) and missing padding.
Is my data uploaded anywhere?▼
No. All encoding and decoding happens in your browser.