Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text instantly in the browser. Useful for developers, APIs, and data transfer.
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Tool guide
Base64 Encoder/Decoder: how it works
Practical information to understand the result and use this tool correctly.
About Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text instantly in the browser. Useful for developers, APIs, and data transfer.
The tool runs directly in the browser for immediate results.
How to use it
- 1Enter the values you want to calculate or process.
- 2The result updates instantly on the same page.
- 3Copy, share, or export the result if the tool allows it.
Frequently asked questions
- Do I need to sign up?
- No. The tool works without an account.
- Are my data uploaded?
- Compatible operations run locally in the browser.
- What is Base64?
- Base64 is a binary-to-text encoding that represents binary data in an ASCII string format. Commonly used in data URLs, email, and APIs.
- Is my data sent to a server?
- No. Encoding and decoding happen entirely in your browser using native btoa/atob.