What is Base64 encoding?

Base64 is a binary-to-text encoding scheme that represents binary data using only 64 ASCII characters. It's commonly used to embed images in HTML/CSS, encode email attachments, and pass data in URLs.

How do I encode a file to Base64?

Upload your file or paste your text into ZapFile's Base64 Encoder and click Encode. The tool instantly produces the Base64 string you can copy and use.

Does Base64 encoding compress data?

No. Base64 encoding actually increases data size by approximately 33%. It's used for compatibility, not compression.

Yes, all ZapFile tools are completely free with no hidden costs or subscriptions.

Absolutely. All processing happens directly in your browser. Your files are never uploaded to any server.

Do I need to create an account?

No. ZapFile requires no registration, login, or account creation.

Does this tool work offline?

Most tools work offline after the first load. ZapFile is a Progressive Web App you can install.

Can I use this on mobile?

Yes! All tools are fully responsive and work on mobile devices.

Home/Tools/Base64 Encoder

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Base64 Encoder

Encode files or text to Base64 and decode back

Your files never leave your browser

Enter text to encode...

Runs on your device, not our servers

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