Base64
Encode or decode UTF-8 text and files as standard or URL-safe Base64.
Everything runs in your browser. Files and text are not uploaded or saved.Base64
Or choose a file to encodeFiles stay in this browser. The size limit is 15 MB.
How to Use
- Paste text or choose a file.
- Encode it, or paste Base64 and decode it.
- Choose the URL-safe alphabet when you need it.
- Copy the result or reset.
FAQ
Are Unicode characters preserved?
Yes. Text is encoded as UTF-8 before Base64.
What if decoded data is not text?
It is downloaded as a file instead of being shown as broken text.
Is the file uploaded?
No. The size limit is 15 MB.