Convert Base64
Encode Unicode text or local files as Base64 and decode Base64 back to text or a file without uploads.
Purpose and limits
What this tool does
Encode and decode Base64 text or bounded files locally in the browser.
- Input
- UTF-8 text, Base64 text, or a local file up to 5 MiB.
- Result
- Base64, decoded UTF-8 text, or a local file download with precise validation errors.
How to use it
- Choose encode or decode, enter text, and run the conversion.
Limitations
- File processing is limited to 5 MiB per operation.