Introduction to PNG
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PNG (Portable Network Graphics) is a raster graphics file format that supports lossless data compression. It was created by the Joint Photographic Experts Group (JPEG) committee in 1996.

Key Features of PNG:

* Lossless data compression
* Supports transparency and alpha channels
* High color depth (up to 16 million colors)
* Small file size compared to other raster formats

History of PNG
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PNG was developed as a replacement for GIF (Graphics Interchange Format) and has since become one of the most widely used image file formats on the internet.

Example Use Cases:

* Web graphics and icons
* Images with transparent backgrounds
* High-quality images that require lossless compression

That's a brief introduction to PNG!