Image to Base64 Converter
Convert images to Base64 data URIs instantly using our Image ↔ Base64 Converter tool. Encode and decode in one place.
How to Convert Image to Base64
1. Upload your image
Select any image file from your device (PNG, JPG, GIF, SVG, or WebP).
2. Get Base64 string
The tool automatically generates the Base64 data URI including the correct MIME type prefix.
3. Copy & use
Copy the Base64 string and embed it directly in your HTML src attribute, CSS background-url, or JavaScript.
Common Use Cases
Email Signatures
Embed small logos and icons directly in HTML email signatures without external image hosting.
Single-File HTML
Create self-contained HTML files with all images embedded — perfect for offline documentation and demos.
CSS Sprites
Embed small icons and decorative images directly in CSS using background-url with data URIs.
Favicon Embedding
Embed favicon data URIs directly in HTML without needing a separate favicon.ico file.