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View SUN Files Online

Use this free tool to view your SUN (SUN Rasterfile) files online without needing to download or install any software. Our SUN viewer tool will render your file within the browser with the ability to view full screen if needed.

How to View your SUN File Online?

Here are two simple steps to display your SUN file in any web browser.

Upload an SUN

Click the "Upload a File" button and select an SUN to upload. The maximum file size is 100MB.

View your SUN

Once processed, your SUN file will be displayed in the web browser.

File Format Information for SUN

Full NameSUN Rasterfile
Mime Typeapplication/octet-stream
ToolsSUN Converters, Create Cookie Cutter, SUN Viewer


A SUN file is an image file format used to store images in an uncompressed binary format. They are used to store high-quality graphics with no loss in quality.

This is now considered a legacy file format, with more capable modern formats available, such as PNG.

SUN Features

  • Supports Lossy Compression
  • Supports Non Lossy Compression
  • Supports Transparency
  • Supports Color Palettes
  • Supports Monochrome (1-Bit)
  • Supports 16 Colors (4-Bit)
  • Supports 256 Colors (8-Bit)
  • Supports 16 Million Colors (24-Bit)

Frequently Asked Questions

How can I view my SUN file online?

First, click the "Upload..." button and select the SUN file you wish to view. Once your SUN file has been received it will be displayed in your browser.

How long does it take to view my SUN file?

We aim to process all SUN file viewing requests as quickly as possible, this usually takes around 5 seconds but can be more for larger or more complex files so please be patient.

How accurate is the SUN file viewer?

We aim to create the most accurate rendition of your SUN file with our tools. Our tools are under constant development with new features and improvements being added every week.

Is it safe to view my SUN file on

Yes, of course! We do not store the SUN file you submit. The generated preview file within your browser is deleted after 15 minutes,

Can I view my SUN file on Windows, Linux, Android, iOS or Mac OS?

Yes! Our SUN file viewer will run on any system with a modern web browser. No specialist software is needed to use our file viewing tools.

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