Image to Base64 Converter
Convert images to Base64 data URLs with drag & drop support. Shows file size statistics and conversion details.
Click to select or drag and drop an image here
Max file size: 5MB
About Image to Base64 Conversion
Base64 encoding converts binary data (like images) into ASCII text format, making it possible to embed images directly in HTML, CSS, or JSON without separate file references. Base64-encoded images are commonly used in data URIs, email attachments, and when images need to be included inline in code or configuration files.
The conversion process uses the FileReader API to read the image file and convert it to a data URL format (data:image/type;base64,...). Base64 encoding typically increases file size by approximately 33% compared to the original binary format, which is why it's generally recommended for small images or when the convenience of inline embedding outweighs the size penalty.
Our tool includes file size validation (5MB limit) to prevent browser performance issues and provides statistics showing the original size, Base64 size, and the percentage increase. This helps you make informed decisions about when to use Base64 encoding versus traditional image file references.