How to convert an image to Base64 in 3 easy steps
- 1
Drop your image
JPG, PNG, GIF, WebP, SVG or BMP, from your device.
- 2
Review the output
The data URL appears with its size and a preview.
- 3
Grab the snippet
Copy the data URL, HTML usage, or CSS usage.
Why use the image to base64 converter tool from Super Utility Hub?
Embedding an image as a Base64 data URL eliminates a separate HTTP request — useful for email signatures, tiny icons, and self-contained HTML files.
Upload any image and the tool produces the full data URL plus ready-to-paste HTML and CSS snippets. The conversion happens locally; your image is never uploaded.
- Processes everything in your browser — no upload servers involved
- Free forever with unlimited uses
- Works on Windows, macOS, Linux, Android and iOS
- No watermark or branding on your output, ever
Frequently asked questions
How much bigger is a Base64 image?
About 33% larger than the original binary file — worth it only for small assets like logos and favicons.
Can I use it in CSS?
Yes — the CSS snippet shows the background-image syntax. Great for inline icons without extra requests.
Is there a size limit?
No imposed limit, but very large images create enormous data URLs. For photos, compress them first with the image compressor.