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Turn Base64 strings or data URLs into downloadable files.
About this tool
Turn Base64 strings or data URLs into downloadable files.
Base64 to File is a free converter tool that runs entirely in your browser — nothing to install, no account to create, and your data never leaves your device. Open the page, add your input, and get a clean, copy-ready result in seconds.
Open Base64 to File on AltFTool — it loads instantly in your browser.
Upload or drag in the file you want to work with.
Adjust the settings and preview the result.
Download the finished file to your device.
Process images, audio, video, and documents directly in your browser — files never leave your device.
See the result before you export, so the final file is exactly what you expect.
Download output that's ready for your website, presentation, or client hand-off.
Yes — Base64 to File is completely free on AltFTool, with no signup, no trial limits, and no hidden costs.
Yes. Base64 to File runs in your browser, so what you enter or upload stays on your device instead of being sent to a server.
Turn Base64 strings or data URLs into downloadable files. It's built for quick, everyday converter tasks with results you can copy or download straight away.
Yes — Base64 to File works in any modern browser, on desktop, tablet, and mobile, with the same features everywhere.