Free Base64 Image Encoder Online
Why use this base64 image encoder online?
This lightweight tool is built for quick daily work: no sign-up, no server processing, fast output, and a focused interface that works on desktop or mobile.
FAQ
Does the image upload to a server?
No. FileReader converts the image locally inside your browser.
Can I create an HTML data URI?
Yes. The result includes the full data:image/...;base64 string for HTML or CSS.
Which image types work?
Common browser-readable formats such as PNG, JPEG, WebP, GIF, and SVG work.