Upload Your Image
Choose an image file from your device to encode it into Base64 text format. This image to base64 converter online supports JPEG, PNG, GIF, WebP, SVG, and other common image formats.
Image to Base64
Upload an image and instantly get its Base64-encoded data URI representation. Copy the string with one click for use in CSS backgrounds, HTML image sources, and data URIs. Perfect for web developers embedding images directly in code.
Workspace
Use the tool below. Your inputs stay local when the tool supports browser-only processing.
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Click to upload an image
Convert any image to a Base64 data URI
Workflow
How to use the Image to Base64
View the Encoded String
The tool instantly converts your image into a Base64 data URI displayed in the output area. You can toggle between including the data:image/... prefix or outputting raw Base64 with this image to base64 converter online.
Copy and Use
Click the copy button to copy the entire Base64 string to your clipboard. When you use this image to base64 converter online, the encoded string can be embedded directly into HTML, CSS, or JavaScript without external image files.
Image to Base64 — Frequently Asked Questions
Why should I use an image to base64 converter online?
Using an image to base64 converter online lets you embed images directly in HTML, CSS, or JavaScript files, reducing HTTP requests and simplifying deployment. It is especially useful for small icons, email signatures, and single-file applications.
Does this image to base64 converter online increase file size?
Yes, this image to base64 converter online increases the file size by approximately 33% compared to the original binary file. This encoding overhead is acceptable for small images but may not be ideal for large files or performance-critical applications.