Your image is converted entirely in your browser. It is never uploaded to our server.
Output
How to Use Base64 Image Encoder
1
Click Choose File and select your image.
2
The Base64 data URI is generated instantly.
3
Copy and paste into your HTML src or CSS background-image.
Features
✓Supports PNG, JPG, GIF, WebP, SVG
✓Instant client-side conversion
✓Preview the image before copying
✓Shows Base64 length and file size
✓Copy full data URI or Base64 string only
Why Use This Tool
Reduce HTTP requests by embedding images inline
Useful for email HTML where external images may be blocked
Icon embedding in single-file HTML documents
Great for small logos and icons
Frequently Asked Questions
Does my image get uploaded?
No. Conversion happens in your browser using JavaScript FileReader. Your image never leaves your device.
Are there size limits?
Practically up to ~2MB — larger images produce very long data URIs that may cause browser performance issues.