What is a Base64 Image?

A Base64 image is a binary-to-text representation of an image file. It allows developers to embed image data directly inside HTML, CSS, or JSON files.

Does Base64 increase the size of the image?

Yes, Base64 encoding increases file size by approximately 33% compared to raw binary data. Use it primarily for small icons and inline SVGs.

Convert Image to Base64

Convert JPG, PNG, and WebP images to Base64 online. Generate raw base64 data strings, HTML img tags, and CSS background url codes.

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How to Use Convert Image to Base64

Upload the image you wish to convert.
Select the target format: Data URL, Raw String, HTML snippet, or CSS rule.
Review the character count and copy the generated base64 string directly.

Use Cases for Inline Base64 Images

Inline images eliminate HTTP roundtrips, speeding up single-page loads for tiny icons or template files. However, because they increase size and cannot be cached independently, avoid base64 encoding for larger gallery photos.

Frequently Asked Questions

What is a Base64 Image?: A Base64 image is a binary-to-text representation of an image file. It allows developers to embed image data directly inside HTML, CSS, or JSON files.
Does Base64 increase the size of the image?: Yes, Base64 encoding increases file size by approximately 33% compared to raw binary data. Use it primarily for small icons and inline SVGs.