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Base64 Encoder

Encode text to Base64 and decode it back — right in your browser.

More about this tool

Encodes arbitrary text or a file into a Base64 string and decodes it back — the standard way to represent binary data (like an image) as text, for example inside JSON or CSS.

For example: You need to embed a small icon directly in a CSS file without an extra server request — encode the image to Base64 and paste the string into your code.

Who uses it most: Web developers, backend engineers, API integration specialists

Frequently asked questions

What's the difference between encoding and encryption?

Base64 isn't encryption — it's just a way of representing data as text. Anyone can decode a Base64 string back with no password or key required.

Can I encode a file, not just text?

Yes — you can upload a file (like an image) and get its Base64 representation, ready to paste into your code.