- Tools
- Image to Base64
Image to Base64
NewEncode images as Base64 data URIs and ready-to-paste CSS, HTML or Markdown.
or drop images here · Ctrl V to paste
- Processed on your device
- Unlimited files
- No watermark
Guide
How to convert an image to Base64 online for free
To convert an image to Base64, open Aimg's Image to Base64 tool and add images. Copy the data URI, CSS, HTML or Markdown snippet with one click, or export them as text files.
- Add images.
- Choose data URI, raw Base64, CSS, HTML or Markdown.
- Copy with one click or export as text files.
FAQ
Frequently asked questions
When should I use Base64 images?
For small icons and inline assets in HTML, CSS or emails. Base64 is about 33% larger than the original file, so avoid it for large photos.
Is Image to Base64 on Aimg free?
Yes — completely free with no limits, no sign-up and no watermark. Your images are processed in your browser and never uploaded.