Image to Base64 Converter
Convert images to Base64 encoded strings
Drop image here or click to upload
Supports PNG, JPG, GIF, SVG, WebP
File Name
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File Type
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Dimensions
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Original Size
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Base64 Size
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Frequently Asked Questions
Why convert images to Base64?
Embedded directly in HTML/CSS without separate HTTP requests, reducing server load for small images.
Does Base64 increase file size?
Yes, about 33% larger. Best for small images under 10KB. Regular files are better for larger images.
How to use in HTML?
Use data URI: 
. This tool generates the complete URI.
. This tool generates the complete URI.What is the maximum image size I should convert to Base64?
Keep Base64-encoded images under 10-20 KB for inline use. Larger images are better served as separate files. Remember that Base64 adds 33% size overhead and cannot be cached independently.
How do I use a Base64 image in CSS as a background?
Use the data URI syntax: background-image: url('data:image/png;base64,iVBOR...'); This embeds the image directly in CSS, eliminating an HTTP request but increasing CSS file size.
About Image to Base64
Base64 encoding allows you to embed images directly in HTML or CSS without separate image files.
This is useful for small images, icons, or when you want to reduce HTTP requests.
Example HTML: <img src="data:image/png;base64,...">
Example CSS: background-image: url(data:image/png;base64,...);