Base64 Decoder

Turn Base64 back into text or a file.

How to use the Base64 Decoder

  1. Paste the Base64

    A Base64 string or a data URL.

  2. Read the result

    Text appears straight away; files can be downloaded.

  3. Copy or save it

    Copy the text or download the file.

Questions

Is it really free, with no sign-up?

Yes, completely. There's no sign-up, no login and no daily limit: just open the page and start. It works in your browser on any computer, phone or tablet with nothing to install, and your files are never uploaded — everything happens on your device.

Can it decode images and PDFs?

Yes — if the Base64 is a file, it’s detected and you can download it as the original file.

Is my data sent anywhere?

No. Everything runs in your browser, on your device — nothing you paste or open is uploaded.