SK to PNG Converter

Convert SK to PNG online, for free.



Choose Files
  • From Device
  • From Dropbox
  • From Google Drive
  • From Url
Choose Files
Max file size 1GB. Upgrade to Pro Sign Up for more

Image Options
Valid input range is 0, 0.1, 0.2... up to 1
Choose a method if you want to resize the output image.
Choose a compression level to reduce output PNG file size. Lossy method reduce PNG size at the expense of image quality
Lower values give better compression (at the cost of image quality)
Use this option to make a transparent background in your PNG output.



How to Convert SK to PNG?

  1. Click the “Choose Files” button to select your SK files.
  2. Click the “Convert to PNG” button to start the conversion.
  3. When the status change to “Done” click the “Download PNG” button

Easy to Use

Simply upload your SK files and click the convert button. You can also batch convert SK to PNG format.

Best Quality

We use both open source and custom software to make sure our conversions are of the highest quality. In most cases, you can fine-tune conversion parameters using “Advanced Settings” (optional, look for the icon).

Free & Secure

Our SK to PNG Converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically delete after a few hours.


Portable Network Graphics (PNG) is a raster-based file type that compresses images for portability. PNG images can have RGB or RGBA colors and support transparency, which makes them perfect for use in icons, or graphic designs. PNG also supports animations with better transparency (try our GIF to APNG). The benefits of using PNG are Plus, PNG is an open format that uses lossless compression. 

How to open a PNG file?

Generally, PNG files will open in your operating system’s default image viewer. PNG files are also easily viewable on all web browsers. If you are having trouble opening PNG files, use our PNG to JPG, PNG to WebP, or PNG to BMP converters.


Alternative programs such as GIMP or Adobe Photoshop are useful for opening and editing PNG files. PNG files are a bit larger than other file types, so exercise caution when adding them to a web page. One interesting feature of PNG files is the ability to create transparency in the image, particularly a transparent background. 


Developed by: PNG Development Group

Initial Release: 1 October 1996

Useful links: 

LifeWire article on PNGs

Wiki article on PNGs

Related PNG Tools: 

Use our Color Picker to pick colors from images

FreeConvert.com can convert your SK files to these other formats:

FreeConvert.com can convert your files to these related formats:


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