How to Use Image to Base64 Converter
-
1. Upload an Image or Paste Base64
Drop a PNG, JPEG, WEBP, or SVG image to encode it, or paste an existing Base64 string into the input panel to decode it back to an image.
-
2. Copy or Download the Result
For encoding, copy the Base64 Data URI to your clipboard for use in CSS or HTML. For decoding, download the reconstructed image file.
The Technical Details
This interactive web utility provides fast, reliable, and completely private data transformations. In modern workflows, quick formatting, conversions, or estimations are essential. By running all logic entirely in your browser with client-side JavaScript, this tool guarantees that your data never leaves your machine. This approach delivers maximum performance and absolute data privacy, as no information is ever sent to a server.
Frequently Asked Questions
What is a Base64 Data URI?
A Data URI is a compact text representation of a binary file (like an image) encoded in Base64. It can be embedded directly in HTML or CSS without a separate file request.
Which image formats are supported?
PNG, JPEG, WEBP, GIF, and SVG files can be encoded to Base64. Decoding works with any valid Base64-encoded image string.
Is there a file size limit?
There is no enforced limit. However, very large images produce very long Base64 strings and may slow down your browser's clipboard or DOM rendering.
Is my image uploaded anywhere?
No. Encoding and decoding both happen entirely in your browser using the FileReader and Canvas APIs. Nothing is sent to a server.