Image to Base64 — Free Online Tool

Convert an image into a Base64 data URI you can paste directly into HTML or CSS. Removes the need for a separate image file on small icons and logos.

Save this tool Keep it in your list and reopen your work later — no sign-up, nothing uploaded.

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How to use Image to Base64

Upload an image.
Copy the generated data URI.
Paste it into your src or background-image.

Frequently asked questions

Should I use this for large photos?

No. Base64 increases size by about 33%, so use it only for small icons and logos.

Your privacy is protected

This tool runs entirely inside your browser. No file, text or number you enter is ever sent to our servers, stored, or shared. Close the tab and everything is gone.

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