Header slot HTML
File to Base64
Convert any file to Base64 locally in your browser.
In-content slot
Input
Base64 output
FAQ
1) Select or upload a file. 2) Choose the target format or options. 3) Convert / generate the output. 4) Download the result.
Yes. FreezeBit tools are free to use.
No. Most tools run locally in your browser. We do not store your input unless explicitly stated.
Yes. Each tool has its own URL—bookmark it or share it with anyone.
No. Conversion runs locally in your browser.
It’s Base64 with a header like data:application/pdf;base64,... for embedding.
Some legacy tools expect line breaks at fixed widths.
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We don’t store your input on our servers. Most tools run locally in your browser.