Base64
Everything runs in your browser — no data ever leaves your device.
About Base64
Encode text to Base64 or decode Base64 back to text instantly in your browser. Free online Base64 converter — nothing is uploaded to any server.
Is everything free?
Yes. All tools, games and demos on Tu-X are free to use. The site is supported by non-intrusive ads.
Do my data and files leave my device?
Most tools run entirely in your browser — your text, images and files never leave your device. See our Privacy Policy for details on each product.
Do I need an account?
No. Every product works instantly, with no sign-up required.