Image to Base64 Converter
Convert an image into a Base64-encoded data URL you can embed directly in HTML or CSS.
Upload an image to get its Base64-encoded data URL.
What is this tool?
An Image to Base64 Converter turns image bytes into a Base64 text string wrapped in a data: URL, which browsers can render directly.
How does it work?
The tool reads the file with the browser’s FileReader API and encodes it as a Base64 data URL.
How to use Image to Base64 Converter
- Upload an image.
- Copy the generated data URL.
Common Use Cases
- Inlining small icons in CSS
- Embedding images in emails
- Avoiding extra HTTP requests for tiny assets
Pro Tips
- Base64 encoding adds about 33% to the file size — best for small images.
Frequently Asked Questions
What is a data URL used for?
A data URL embeds the image data directly in HTML, CSS, or JSON so it loads without a separate file request.
Does this upload my image anywhere?
No, the file is read and encoded entirely in your browser.