Image to Base64 Converter
Convert images to Base64 data URIs for web embedding
Upload Image
Base64 Output
Upload an image to get its Base64 string.
What is a Base64 Image?
A Base64 image is an image file converted into a string of text. This string can be embedded directly into HTML (as a data URI) or CSS. It eliminates the need for an extra HTTP request, which can speed up page load times for small images like icons and logos.
Frequently Asked Questions
Why would I use a Base64 image instead of a normal image file?
Base64 images are great for small assets (under 10KB). They reduce HTTP requests, which can improve page load speed. However, they increase the size of your HTML/CSS and aren't cached separately.
How do I use the Base64 string in HTML?
Use the full Data URI output. For example: `
`. It works in CSS background-image properties as well.
`. It works in CSS background-image properties as well.Is there a size limit for the image?
For this tool, large images (above 5MB) might cause performance issues in your browser. For production, it's best to use Base64 only for small files.