Image Base64 Decode
Decode Base64 strings into image files
Convert Base64 Text to Image
Base64 Decode Image
What is Image Base64 Decode Tool?
Image Base64 Decode Tool is a tool for previewing image data from a Base64 string or Data URL directly in the browser. It is useful when you want to check what an embedded image actually looks like in HTML, CSS, or API data.
This tool is designed for visual confirmation. Once you paste the string, it tries to display it immediately as an image, which makes it handy for checking embedded assets and validating Data URLs.
How to Use
- Paste the Base64 text into the input field.
- Check the preview on the right.
Because the image updates immediately, you can quickly verify whether the Data URL is valid and whether it renders the expected image.
Important Point
A Data URL format string is required
This tool expects a string that can be used directly as the src of an img element. In practice, that means the string should include a prefix such as data:image/...;base64,.
Examples:
data:image/png;base64,...data:image/jpeg;base64,...data:image/svg+xml;base64,...
If you paste only the raw Base64 body without the data:image/... part, the browser may not know how to interpret it as an image.
Use Cases
- Checking the actual appearance of an HTML
img src="data:image/..."value - Previewing an image embedded in a CSS
background-image - Inspecting image data returned in an API response or JSON payload
- Verifying whether a generated Data URL is valid
Input Example
data:image/png;base64,iVBORw0KGgoAAAANSUhEUg...
When you paste a Data URL string like this, the tool displays it as an image preview.
Things to Keep in Mind
- Strings without a Data URL declaration may not render correctly as images
- Very long strings or large images can become harder for the browser to handle
- This tool is for previewing image data, not for editing or re-saving the image