Image to Base64 Encoder

This free encoder tool converts your image to base64 and works with local file or URL input.

Upload local file:

Upload via URL:

What is Base64 image encoding?

Base64 is an encoding algorithm that transforms any text, binary data, and even pictures or sound files into a readable string that can be saved or sent over the network without compromising the integrity of the data. Latin letters, numerals, plus signs, and slashes are some of the characters generated by Base64 encoding.

How to use our Base64 Image encoding tool

It's easy to generate base64 strings for your images with Nerdie Dad's free image to base64 encoding tool. Simply drag and drop, upload, or enter an image URL in the provided fields above, and the encoder will generate a Base64 encoded version of that image in a matter of seconds.

Uses of base64 image

When it comes to encoding binary data, Base64 encoding techniques are frequently utilized, especially when the data needs to be saved and transported through a medium that is intended to handle only text. The most popular application of Base64 is as an email MIME (Multipurpose Internet Mail Extensions) transport encoding.

The main use of base64 pictures is to embed image data into other formats, such as HTML, CSS, or JSON. Since the picture is already embedded in the HTML content, the browser doesn't need to send another web request to get the file when image data is pre-included within an HTML document.

An image's Base64 encoding is longer than the original picture and grows exceedingly lengthy for huge images. It is recommended that small pictures should be encoded in Base64.

Using base64 code with CSS

background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAbgjjduHHYtggHH...");

Using base64 code in HTML

<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAbgjjduHHYtggHH..." />

URL Input

Our tool accepts URL input. Simply paste the image file URL and click the submit button to get the base64 code.

Local File Input

This tool allows you to select a local file to upload. You might as well simply drag the file into the encoder.

Canvas Conversion

The URL conversion allows you to choose HTML canvas conversion method.

Filereader Conversion

With URL conversion, you may also use JavaScript Filereader conversion.


  • Are my images stored on your server?

    No, This whole encoding is done client-side. Basically, it means the whole thing happens at the front end. Your image is not uploaded to our server at any point.

  • What is the maximum file upload limit?

    There is no limit at this time. However, keep in mind that the bigger your file is, the longer it takes to convert.

  • Can I use this tool for commercial purposes?

    Yes, we place no limit on how you use this tool. Commercial use is allowed.