Image to Base64 Converter - Encode Image to Base64 Online Free
Convert images to Base64 encoded data URI strings
Image Tools
File Processor
Drop file here, paste, or click to browse
Ctrl+V to paste
How to Use
1Upload an image
2Click Process to encode
3Copy the Base64 string for use in HTML, CSS, or code
Frequently Asked Questions
Base64 is a binary-to-text encoding scheme that represents binary data as an ASCII string. It is commonly used to embed images directly in HTML or CSS.
Base64 is useful for small images (icons, logos) to reduce HTTP requests. For larger images, regular file references are more efficient.
Yes, Base64 encoding increases the data size by approximately 33%. This is why it is best suited for small images.