Image to Base64 Converter Online
Convert any image to Base64 data URI string with one-click copy for HTML, CSS, and JSON.
Drag & Drop your image here
or click to browse files (PNG, JPG, WebP, SVG, GIF)
100% IN-BROWSER · NO SERVER UPLOADHow to Use This Tool
Drop or Select an Image
Drag your image into the dropzone or click to browse files on your device.
Preview and Inspect
Inspect the preview along with exact pixel dimensions and Base64 byte length.
Copy Desired Format
Click copy next to Data URI, HTML img tag, or CSS background syntax.
Key Features & Privacy Guarantee
- Encodes any image file (PNG, JPG, WebP, SVG, GIF, ICO) to Base64 strings
- Multiple copy formats: Data URI, HTML <img> tag, CSS background-image, and raw Base64
- Live image preview with dimensions and calculated Base64 string payload size
- 100% in-browser FileReader execution: your images are never sent over the web
Frequently Asked Questions
What is a Base64 Data URI?
A Base64 Data URI allows you to embed binary image data directly inside HTML or CSS files as an ASCII text string, eliminating additional HTTP image requests.
Are my photos safe when using this converter?
Yes! Unlike other sites that upload your photos to their servers, this tool processes the image directly inside your web browser without uploading.
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