Convert your images to base64
Transform your images into base64-encoded strings instantly.
Perfect for HTML, CSS, and email templates.
Drag & drop your images here
or click to browse your files
Maximum 20 files, 1MB each
Supported file formats
Upload up to 20 images simultaneously (max. 1 MB each) in the most popular web formats: JPG, PNG, GIF, WebP, SVG, or BMP.
Our converter handles everything from photos and graphics to icons and logos. Simply drag and drop your files or click to browse - the conversion happens instantly in your browser.
Image optimization option
Enable smart compression for your JPEG & PNG images to dramatically reduce file sizes without sacrificing visual quality. Perfect for faster page loads and reduced bandwidth usage.
Why use Base64 Image Encoding?
Reduce HTTP Requests
By embedding images directly into your HTML or CSS as base64 strings, you eliminate separate HTTP requests for image files. This can significantly improve page load times, especially for sites with many small images like icons or logos.
Simplified Deployment
Base64 encoded images travel with your code, eliminating the need to manage separate image files and directories. This makes deployment simpler and reduces the risk of missing or broken image links in your application.
Perfect for Email Templates
Email clients often block external images by default. Base64 encoded images are embedded directly in your email HTML, ensuring your images display immediately without requiring user permission or external server access.
Data URIs Support
All modern browsers support data URIs with base64 encoded images. Use them in img src attributes, CSS backgrounds, or even as favicon sources. They work seamlessly across different web technologies and frameworks.
Improved Caching
When images are embedded in your CSS or JavaScript files, they benefit from the same caching strategy as your code. This means fewer cache invalidation issues and more predictable performance across page visits.
No External Dependencies
Your images remain accessible even if CDN services are down or blocked. Base64 encoding ensures complete self-containment of your web application, improving reliability and reducing dependencies on external resources.