Encode an image as a Base64 string for embedding directly in CSS, HTML, or JSON - this runs entirely in your browser, so the image never leaves your device.
Encode an image as a Base64 string for embedding directly in CSS, HTML, or JSON - this runs entirely in your browser, so the image never leaves your device.
Encode an image as a Base64 string for embedding directly in CSS, HTML, or JSON - this runs entirely in your browser, so the image never leaves your device.
Upload your image
Choose an image file - it's processed entirely in your browser, never uploaded to a server.
Get the Base64 string
The tool generates a data URI string ready to copy.
Copy and use
Paste directly into CSS, HTML, or JSON wherever you need an embedded image.
No - this specific tool runs entirely in your browser using JavaScript's built-in file reading capabilities, so the image is never sent anywhere.
It's useful for small images (icons, small logos) where avoiding an extra HTTP request matters more than the roughly 33% larger file size Base64 encoding adds. For larger images, a normal image file is usually more efficient.