Text Tools

Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 back to readable text entirely in your browser.

Browser-only processing

Everything runs locally. Your text never leaves your device.

Auto detect mode

Switch on auto detection and the tool chooses encode or decode for you.

Clipboard + download

Copy output, paste input, swap fields, and download text as TXT.

Base64 tool

Use the controls below to encode, decode, or auto-detect Base64 content.

Input

0 characters

Output

0 characters

Privacy notice

All Base64 encoding and decoding happens locally in the browser. No text is sent to a server.

Text is converted using browser-native encoding APIs. Base64 strings are validated and decoded safely in JavaScript.

Can I decode invalid Base64?

The tool checks for valid Base64 and shows an error if the string is malformed.

Does this work offline?

Yes. Once loaded, the page works completely offline for encoding and decoding.

What is Base64 used for?

Base64 is commonly used to encode binary data as text for transfer over text-only systems.

How do I download the result?

Click Download TXT to save the output text as a local file.