Base64 Encoder & Decoder — Convert Text Online

Encode text to Base64 or decode Base64 back to text instantly. Full UTF-8 support. Convert files to Base64 data URIs. Everything runs in your browser.

Encode Decode

Frequently Asked Questions

Is this tool free?

Yes, completely free with no signup required.

Is my data safe?

Yes. All processing is client-side. Your data never leaves your device.

Do I need to install anything?

No. Just open the page and use it.