Data & text
Base64 encoder
Convert text to Base64 or turn Base64 back into readable text, with full UTF-8 support for accents and emoji.
Open Base64 encoder tool Runs in your browser - files are never uploadedHow to use it
- Paste your text or Base64 string.
- Choose Encode or Decode.
- Run the tool and copy the output.
Frequently asked questions
Does it handle non-English text?
Yes. Input and output are treated as UTF-8.
Why does decoding fail?
The input may contain invalid characters - the tool tells you when the string is not valid Base64.
Is my data uploaded?
No, everything runs locally.