Image to Base64 Converter
Convert images to Base64 data URIs for embedding in code.
How to Use Image to Base64
Upload an image
Switch between Data URI and Raw Base64
Copy the encoded string or as an img tag
Your files never leave your browser
No upload wait time. Results in seconds
No daily limits, no file count limits
No account, no subscription, no fees
About Base64 Image Encoding
Base64 encoding converts binary image data into an ASCII text string that can be embedded directly in HTML, CSS, or JavaScript. This eliminates separate HTTP requests, which can improve performance for small images like icons and logos.
When to Use
- Small icons: Under 10KB for inline embedding
- Email templates: Embed images without external hosting
- CSS backgrounds: Use data URIs in background-image
Frequently Asked Questions
What is Base64 encoding?
Base64 converts binary data (like images) into ASCII text, allowing you to embed images directly in HTML, CSS, or JSON without separate file requests.
When should I use Base64 images?
For small images (icons, logos under ~10KB) where reducing HTTP requests matters. Large images should use regular file URLs for better performance.