Image Tools
Image to Base64
FreeNo SignupPrivate — runs in your browser
Convert images to Base64 encoded strings online for free. Generate data URIs for embedding images directly in HTML, CSS, and JavaScript. No signup required.
What is Image to Base64?
Embedding small images directly in HTML and CSS reduces HTTP requests and improves page load speed. Our free Image to Base64 Converter encodes any image into a Base64 data URI ready for inline use in your code. Perfect for icons, logos, and small graphics.
How to Use Image to Base64
- 1Upload or drag an image
- 2The Base64 string generates automatically
- 3Copy the data URI for HTML/CSS embedding
- 4Or copy just the raw Base64 string
Key Features & Benefits
Instant image to Base64 conversion
Complete data URI with correct MIME type
Copy as raw Base64 or full data URI
Preview the encoded image
Frequently Asked Questions
What is an image data URI?
A data URI encodes an image as a Base64 string that can be used directly in HTML or CSS without a separate image file.
When should I use image data URIs?
For small images like icons, logos, and simple graphics. It saves HTTP requests but increases HTML size, so balance is important.
What formats are supported?
PNG, JPEG, WebP, GIF, SVG, and BMP. The correct MIME type is automatically included in the data URI.