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Base64 Encoder & Decoder
Encode text and files to Base64, or decode Base64 strings back to text. Free online Base64 converter. 100% private client-side processing.
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What is the Base64 Encoder & Decoder?
Encode text and files to Base64, or decode Base64 back to text. 100% secure client-side tool. This tool is designed to be fast, free, and completely secure, running entirely in your browser without uploading your sensitive data to external servers.
How to use the Base64 Encoder & Decoder
- Select or configure your input settings.
- Upload your file or paste your data into the tool.
- Click the primary action button to instantly generate your results.
- Download or copy your completely processed output.
Related Search Terms
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Frequently Asked Questions
Can I encode files to Base64?+
Yes, you can click 'Upload File' to select an image, PDF, or document. It will be converted into a Base64 data URI string.
Are my files uploaded to a server?+
No. The entire conversion process happens in your web browser. Your files never leave your computer.
How do I decode a Base64 string?+
Click the 'Decode' toggle at the top, paste your Base64 string into the input box, and the decoded text will appear instantly.