Base64 Encode Decode

Encode and decode Base64 online with full Unicode support — handles any language or emoji correctly.

Input text:

Unicode-safe: emoji and non-Latin scripts encode correctly via TextEncoder.

How to use

Paste text in the box and click Encode to get Base64, or paste Base64 and click Decode to get the text back. Invalid input shows a clear error.

Is this Base64 tool free?

Yes, completely free, no signup, no limits.

Does it support Unicode characters?

Yes. It uses TextEncoder so emoji and non-Latin scripts encode correctly.

Is my data uploaded anywhere?

No, everything runs locally in your browser.

☕

Every tool runs 100% in your browser — no uploads, no signups. If a tool saved you time, consider supporting us with a small donation.