Loading page
Tool workspace
Preparing this tool for you.
Tool workspace
Convert uploaded images into Base64 data URLs for quick embedding.
About this tool
Convert uploaded images into Base64 data URLs for quick embedding.
Image to Base64 is a free developer 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 Image to Base64 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 — Image to Base64 is completely free on AltFTool, with no signup, no trial limits, and no hidden costs.
Yes. Image to Base64 runs in your browser, so what you enter or upload stays on your device instead of being sent to a server.
Convert uploaded images into Base64 data URLs for quick embedding. It's built for quick, everyday developer tasks with results you can copy or download straight away.
Yes — Image to Base64 works in any modern browser, on desktop, tablet, and mobile, with the same features everywhere.