Free Online SUN to PNG Converter

Our image converter tool can quickly convert your SUN to PNG while maintaining the highest level of quality and can accept up to 20 files at one time using our batch image file processor. When your PNG image files are ready, you can either download them individually or, for convenience, combine them within a ZIP file.

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your SUN file, once uploaded to our server, will be deleted 15 minutes after upload, so please download your converted SUN file before this time.

Once you've selected your SUN files for upload, our image converter tool will provide you with the option to customize the processing of your images. To configure this, once you have selected an image, you will see a button, which you can click to reveal a set of image conversion options. These options include the ability to resize and rotate your image and to apply a grayscale or negative filter to your SUN.

How to Convert your SUN to PNG Online?

Here are two simple steps to convert your SUN to PNG using our fast and free SUN converter tool.

Upload your SUN file

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

Download your PNG

Click the download link to receive your PNG file.

Frequently Asked Questions

How can I convert my SUN file to PNG?

First, click the "Upload..." button and select your SUN file to upload. Your SUN file will be uploaded to our servers. When the SUN to PNG conversion has completed, you can download your PNG file right away.

How long does it take to convert my SUN to PNG?

We aim to process all SUN to PNG conversions as quickly as possible; this usually takes around 5 seconds; however, this can be longer for certain files, so please be patient.

How accurate is the SUN to PNG conversion?

We aim to provide the best conversion experience. Our tools are under constant review and development, with new features being added every week.

Is there any loss in quality when converting my SUN file?

If you are converting your SUN file to a format that implements lossy compression, then yes, the quality will be reduced; however, the loss in quality is usually not noticeable and can result in much smaller file sizes.

Will the conversion affect the resolution of my converted SUN file?

No. When converting your SUN file, our tool will not perform any resizing of your image, and the resulting file will have the same resolution as your uploaded SUN file.

File format information for SUN and PNG

Full NameSUN Rasterfile
Mime Typeapplication/octet-stream

The SUN file format, developed by Sun Microsystems, is an image file format used to store raster images in a simple binary format. SUN files are primarily used for high-quality graphics; however, due to the uncompressed nature of the format, SUN files can become very large at higher resolutions.

The format stores image pixel data as a sequence of bytes and supports monochrome and full color image formats in an uncompressed form, meaning there is no loss in quality when saving an image in the SUN format.

SUN files are a legacy file format that can be opened with certain image editing applications that still support this format; alternatively, we have a set of SUN image conversion tools designed to convert SUN files to other, more modern formats, such as PNG.

Full NamePortable Network Graphics
Mime Typeimage/png
Opens WithPaint.Net, Photoshop

PNG files are a widely used graphics file format used in areas where high-quality images (often with transparency) are required while also retaining a small file size. They are one of the most common formats of file used for web and print mediums and are particularly useful for logos, icons, and other images where multi-level transparency is desired.

The format itself was created in the 1990's with the main aim of storing computer graphics in a high-quality format while minimizing the required storage space. The longer-term aim was to displace the GIF file format and make PNG the number one format for non-lossy, high-quality image formats on the then-burgeoning world wide web.

One of the selling points of the PNG format is its support for multiple levels of transparency, making it superior to the GIF format, which can only handle a single level of transparency. Also, like GIFs, the PNG format supports palletizing image colors down to 256 or 16 colors to help reduce the file size of the PNG.

Information for converting from SUN to PNG

Our SUN imaging tool will accurately convert your SUN file into a PNG image file using our high-quality internal 2D rendering to create your final PNG ready for download. Your SUN file will be analyzed pixel by pixel in order to produce the most accurate conversion possible.

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