How to use the Base64 Decoder
- Paste your text into the input box.
- The output updates automatically as you type.
- Copy the result or download it as a file.
Private by design
Developer data is often sensitive: API responses, tokens, customer records, internal configs. This Base64 Decoder processes everything locally in your browser tab. There is no server round-trip, no logging and no storage of your input. Prefer a native app? Read about Base64 Decoder in DevT Pro.
Frequently asked questions
Is this Base64 Decoder free?
Yes. This Base64 Decoder is completely free to use with no sign-up, no limits and no ads inside the tool.
Is my data uploaded to a server?
No. The Base64 Decoder runs entirely in your browser using JavaScript. Nothing you paste is sent to DevT Pro or any other server.
Can I use the Base64 Decoder offline?
Yes. Base64 Decoder is also built into DevT Pro, a native app for Mac, Windows, iPad and Linux with 120+ developer tools that work fully offline. It is a $5.99 one-time purchase with no subscription.
