Image to Base64
Convert an image into a Base64 data URL string.
Image to Base64
About Image to Base64
Encode images into Base64 data URI strings directly in your browser. Embed images directly into HTML, CSS stylesheets, JSON payloads, and source code.
How to use Image to Base64
Add your file
Choose a file or drag it onto the upload box. We check that the file type and size are supported.
Pick your options
Change the settings shown next to the file if you need to. The defaults work for most files.
Download the result
Click the main button, then download your new file. Check it before you share or submit it.
What it does
- ✓Generates standard data URI strings (`data:image/png;base64,...`) and raw Base64 strings
- ✓Supports JPG, PNG, WebP, GIF, SVG, and AVIF image formats
- ✓Interactive preview with one-click copy to clipboard and text file download
- ✓Pure client-side encoding with no data transmission to external servers
When to use it
Embed small icons and logos directly into HTML or CSS to eliminate HTTP requests.
Include image data directly inside JSON requests for REST API endpoints.
Build self-contained HTML email templates and offline documentation with embedded graphics.
Encode images into text strings for storage in document and key-value databases.
Tips
- •Base64 encoding increases file payload size by approximately 33%; best used for small icons and thumbnails under 50KB.
- •Choose "Data URI" format if you plan to paste directly into `src="..."` or `background: url(...)` attributes.
- •Use the copy button to quickly paste the encoded string into your code editor.