Image to Base64
Convert PNG, JPG, and WebP images to Base64 data URLs. Copy the result into CSS, HTML, or JSON — no uploads required.
Drop an image here or click to select
Supports PNG, JPG, WebP
What Is Base64 Image Encoding?
Base64 is a way to encode binary image data as plain text. The result is a long string that can be embedded directly into HTML, CSS, or JSON files. This eliminates separate image file requests, which can be useful for small icons or single-file prototypes.
When to Use Base64 Images
- Small icons: Embedding tiny icons directly in CSS can reduce HTTP requests.
- Email templates: Many email clients support inline Base64 images.
- Single-file demos: Create self-contained HTML prototypes without external assets.
When Not to Use Base64
Base64 increases file size by about 33% and prevents browser caching of images separately. For large photos or production websites, regular image files usually perform better.
Frequently Asked Questions
Does Base64 increase file size?
Yes. Base64 encoding typically makes the image about 33% larger than the original binary file.
Can I decode Base64 back to an image?
Yes. You can paste a Base64 data URL into a browser address bar or use our related tools to convert it back.
Is my image uploaded?
No. Encoding happens entirely in your browser. The image never leaves your device.