Base64 Decoder

What is the Base64 Decoder?

Base64 Decoder is a free browser-based tool from our Developer Tools collection. It processes your data instantly without signup, and wherever possible everything runs locally in your browser so your content never leaves your device.

How to use it

1. 1 Open the Base64 Decoder and enter or paste your data into the input area.
2. 2 Adjust any options to match exactly what you need.
3. 3 Run the tool and review the result shown in the output panel.
4. 4 Copy the result to your clipboard or download it as a file.

Features

• Runs instantly in your browser
• No registration or installation required
• Private: data is processed locally whenever possible
• Copy or download your results with one click
• Works on desktop, tablet and mobile

Frequently asked questions