Base64 → Image Decode

Decode a Base64 string into an image

Enter a Base64 string and click execute to display the image

Features

Paste and decode instantly

Instantly restore an image from a Base64 string and preview it

Supports data URI format

Strings with the data:image/ prefix can be converted as is

Auto-detects the image format

Identifies 8 formats such as PNG and GIF from the leading data pattern

Shows image info too

Check the resolution, MIME type, and file size as well

How to Use

1

Enter a Base64 string

Paste a Base64 string into the input field. You can also load trial data with the sample button

2

Decode with the run button

Press run to decode the image and show it on the result card. Reset to clear the input and result

3

Save as an image file

Press the download button to save the image with an extension matching the detected format

Use Cases

Checking the contents of embedded images

Visualize a data URI image embedded in HTML or CSS to grasp its contents

Verifying images in API responses

Check during development whether a Base64 image included in an API or JSON is as intended

Restoring email attachment images

Extract a Base64-encoded image contained in email source and turn it into a file

Checking images in a database

Restore image data stored as a string in a DB and inspect its contents

Safety and Privacy

Runs entirely in your browser

Your input data is processed only within your browser and is never sent externally.

Processing only in your browser

image decoding is processed entirely within your browser, and input data is not sent to any server.

Communications encrypted with HTTPS

Page loading is also encrypted by TLS, and content cannot be read by third parties.

No transmission to third parties

Input content is not sent to external services such as ad networks or trackers.

No automatic saving of results

the decoded image and input suggestions are not stored on the server.