Image to Base64 is a free tool that runs entirely in your browser. Get a data: URI you can paste into HTML/CSS. It takes care of a common image chore in a single click, right inside your browser. Because everything happens locally with pdf-lib and pdf.js, your files are never uploaded to a server — Image to Base64 works instantly, even offline, and keeps every document completely private, with no account, no watermarks and no file-size limits.
How to use Image to Base64
- 1Open the Image to Base64 tool and drop in your image, or click to choose it.
- 2Press Run — there are no settings to fuss with.
- 3Download your result. The whole thing happens on your device, so your image never leave your browser.
100% private — nothing is uploaded
Unlike most online PDF tools, Image to Base64 never sends your image to a server. Everything is computed locally in your browser with JavaScript, so your documents stay on your device. There's no account, no watermark and no file-size limit — and it even keeps working with your Wi-Fi switched off.