Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text

Encode text to Base64 or decode Base64 back to text

Mode

URL-safe (base64url)

Input

Privacy: Base64 Encoder / Decoder runs completely in your browser. Your input never leaves your device.

Base64 Encoder / Decoder FAQ

Is Base64 Encoder / Decoder free to use?

Yes, this tool is completely free. There are no fees, subscriptions, or limits — open the page and use it as much as you like.

Does Base64 Encoder / Decoder upload my data?

No. Base64 Encoder / Decoder runs entirely in your browser on your own device. Your text and numbers never leave your computer.

Does Base64 Encoder / Decoder work on mobile?

Yes. The tool is fully responsive and works on Android, iPhone, tablets, laptops, and desktop computers.