Base64 Image Converter
Convert images to Base64 strings or decode Base64 strings back into images. Features real-time preview, MIME type auto-detection, and one-click downloads.
Tool Information & Usage
Learn about Base64 image formatting and Data URIs
What is the Data URI Scheme?
A standard Base64 image string intended for HTML or CSS usually requires a prefix indicating its file type, such as `data:image/png;base64,`. You can toggle the 'Include Data URI' switch to automatically append or strip this prefix based on whether you are using the string in an <img> tag or sending it as raw data to a server API.
Smart MIME Type Detection
When decoding Base64 to an image, you don't need to worry about manually adding the Data URI prefix if it's missing. Our tool includes an intelligent MIME sniffer that reads the file signatures (magic numbers) at the beginning of your Base64 string to automatically determine if it's a PNG, JPG, GIF, WEBP, or SVG.
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