What is a Base64 image?
It is the image file written as text, so it can be placed directly inside HTML, CSS or JSON without a separate file.
Developer Tools
Image to Base64
Convert an image to a Base64 string or data URL for HTML, CSS and JSON.
Runs in your browser: nothing you enter is uploaded
Drop an image here
Get a Base64 string or data URL you can paste into HTML, CSS or JSON.
Your image stays private. It is encoded in your browser and never uploaded.
How it works
1
Add an image
Drop a PNG, JPG, GIF, WebP or SVG image.
2
Pick the format
Data URL, plain Base64, an HTML img tag or CSS background.
3
Copy it
Copy the code and paste it into your HTML, CSS or JSON.
Image to Base64 features
- Data URL, raw Base64, HTML and CSS formats.
- Shows file size before and after encoding.
- Works with PNG, JPG, GIF, WebP, SVG and ICO.
- Preview of the image.
- One click copy.
- Private: nothing is uploaded.
Image to Base64 FAQ
Does Base64 make images bigger?
Yes, about 33% bigger. It is best for small images like icons and logos.
Can I use it in emails?
Some email apps block Base64 images. A hosted image link is more reliable for email.
Is my image uploaded?
No. It is encoded in your browser.
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