Image to Base64 Converter
Convert any image file to a Base64 encoded string
Click or drop an image file here
PNG, JPG, GIF, SVG, WebP
What is Image to Base64 Converter?
Image to Base64 Converter transforms image files (PNG, JPG, GIF, SVG, WebP) into Base64-encoded strings that can be embedded directly in HTML, CSS, or JSON. This eliminates the need for separate image file requests, which can improve page load performance for small images like icons, logos, and UI elements.
How to Use This Tool
- Drag and drop an image file or click to browse and select one
- The Base64 string is generated instantly with a preview
- Copy the data URI (includes the MIME type prefix) for HTML/CSS use
- Or copy just the raw Base64 string for API or database storage
Common Use Cases
- Embedding small icons and logos directly in CSS as data URIs
- Storing image thumbnails in JSON or database fields as text
- Including images in email HTML templates without external hosting
- Reducing HTTP requests by inlining critical above-the-fold images
Frequently Asked Questions
What is a data URI?
A data URI is a Base64 string prefixed with the MIME type (e.g., data:image/png;base64,...). Browsers can render data URIs directly without making a separate file request.
Should I Base64-encode large images?
No. Base64 increases file size by about 33%. It is best for small images under 10KB. For larger images, use standard image files with proper caching for better performance.
Is the image uploaded to a server?
No. The conversion happens entirely in your browser using the FileReader API. Your image never leaves your device.