What is Image to Base64 Converter Online?
Turn an image file into a Base64 data URL you can paste into HTML, CSS, JSON or test data. The conversion uses your browser's FileReader API.
How to use this tool
- Choose an image file.
- Wait for the browser to read the file.
- Copy the generated Base64 data URL.
Example
Example input
Input: logo.png
Example result
Output begins with: data:image/png;base64,...
Frequently asked questions
What is an image Base64 data URL?
It is a text representation of an image that includes its MIME type and encoded bytes, allowing the image to be embedded in places that accept data URLs.
Can I convert PNG and JPG to Base64?
Yes, browser-supported image formats can be read and encoded.
Does Base64 make an image smaller?
No. Base64 usually makes the encoded data larger, so it is mainly useful for embedding small assets or self-contained data.