Image to Base64 | Convert Images to Data URI Online
Image to Base64 converter online. Convert PNG, JPG, WebP, and SVG images to Base64 data URIs for HTML/CSS embedding. Free image encoder tool.
Drag & drop an image here, or click to browse
Supports PNG, JPG, WebP, GIF, SVG (Max: 10.00 MB)
Quick Integration Guides
CSS Background Image:
background-image: url("...paste Data URL here...");HTML Image Tag:
<img src="...paste Data URL here..." alt="Embedded Image" />Features
- Convert images to Base64 instantly
- Drag-and-drop or select an image to convert
- Support for PNG, JPG, WebP, GIF, SVG
- Generate image data URI for direct use in HTML/CSS
- Live preview of the uploaded image
- Copy raw Base64 or full Data URI with one click
Common Use Cases
- Embed images directly into HTML <img> tags
- Use images in CSS background-image properties
- Inline small icons and logos to reduce HTTP requests
- Prepare image data for JSON API payloads
- Store image data safely within databases as text
Image to Base64 Encoding
Image to Base64 encoding is the process of converting a binary image file into a text string representation using the Base64 encoding scheme. This is particularly useful for web development when you want to embed images directly into your source code.
Common data URI format:
- PNG -
data:image/png;base64,iVBORw0KG... - JPEG -
data:image/jpeg;base64,/9j/4AAQ... - SVG -
data:image/svg+xml;base64,PHN2ZyB... - WebP -
data:image/webp;base64,UklGRhoA...
Benefits and trade-offs: Embedding Base64 images eliminates additional HTTP requests, which can speed up initial page load for small icons. However, Base64 encoding increases the file size by roughly 33%. We recommend using this technique only for small images (under 50KB).
Examples
.icon {\n background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUA...");\n}<img src="data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEAYABgAAD..." alt="Embedded Image" />{\n "filename": "avatar.png",\n "content": "iVBORw0KGgoAAAANSUhEUgAAAAUA..."\n}Frequently Asked Questions
Converting an image to Base64 allows you to embed it directly into HTML, CSS, or JSON. This reduces the number of HTTP requests your browser has to make, which can improve page load performance for small icons and logos.
A Data URI (Uniform Resource Identifier) is a scheme that allows you to include data locally in web pages as if they were external resources. For Base64 images, it takes the format data:[MIME-type];base64,[Base64-Data].
Base64 images are not indexed by Google Image Search. If SEO for the image itself is important, use a standard image URL instead. Use Base64 only for structural images, icons, or UI elements that do not require indexing.
No. Actually, Base64 encoding increases the original file size by approximately 33%. This is because it converts binary data into a restricted 64-character text format. Use it sparingly for large images to avoid bloating your HTML/CSS files.
No. All image processing and Base64 encoding are handled locally in your browser using the FileReader API. Your image never leaves your device, ensuring complete privacy and fast conversion.