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- Free Image to Base64 Converter Online
✓100% Free✓No Signup✓No Data Stored✓Works Instantly
✦ Free Online Tool
FREE IMAGE TO BASE64 CONVERTER
Convert any image to Base64 string instantly. Embed images in HTML and CSS without external files. Free, no signup.
📁
Click to upload or drag and drop
JPG, PNG, GIF, SVG, WebP
Full Data URI
Raw Base64
HTML img tag
CSS background
When to Use Image to Base64
- Email HTML — embed images that do not require external hosting
- Single-file HTML — create fully self-contained HTML pages
- CSS backgrounds — embed small icons and patterns directly in CSS
- API payloads — send images as text in JSON requests
Frequently Asked Questions
Is my image uploaded to a server?+
No. The conversion happens entirely in your browser. Your image never leaves your device.
What image formats are supported?+
JPG, PNG, GIF, SVG, WebP and all common image formats.
What is a Data URI?+
A way to embed image data directly in HTML or CSS without linking to an external file.
Is it free?+
Yes, 100% free, no signup.