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2. APNG - Wikipedia

   en.wikipedia.org/wiki/APNG

   Animated Portable Network Graphics (APNG) is a file format which extends the Portable Network Graphics (PNG) specification to permit animated images that work similarly to animated GIF files, while supporting 24 or 48-bit images and full alpha transparency not available for GIFs.

3. PNG - Wikipedia

   en.wikipedia.org/wiki/PNG

   Portable Network Graphics (PNG, officially pronounced / p ɪ ŋ / [2] [3] PING, colloquially pronounced / ˌ p iː ɛ n ˈ dʒ iː / [4] PEE-en-JEE) is a raster-graphics file format that supports lossless data compression. [5]

4. Image file format - Wikipedia

   en.wikipedia.org/wiki/Image_file_format

   The PNG (Portable Network Graphics) file format was created as a free, open-source alternative to GIF. The PNG file format supports 8-bit (256 colors) paletted images (with optional transparency for all palette colors) and 24-bit truecolor (16 million colors) or 48-bit truecolor with and without alpha channel – while GIF supports only 8-bit ...

5. Portable Network Graphics - Wikipedia

   en.wikipedia.org/wiki/Portable_Network_Graphics

   Download as PDF; Printable version; In other projects Appearance. move to sidebar hide. PNG. This page is a redirect. The ... Portable Network Graphics.

6. Netpbm - Wikipedia

   en.wikipedia.org/wiki/Netpbm

   Netpbm (formerly Pbmplus) is an open-source package of graphics programs and a programming library. It is used mainly in the Unix world, where one can find it included in all major open-source operating system distributions, but also works on Microsoft Windows, macOS, and other operating systems.

7. Comparison of graphics file formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_graphics...

   Portable Network Graphics World Wide Web Consortium.png image/png General purpose Yes PNM: Portable Anymap File Format ASCII.pnm image/x-portable-anymap Yes PostScript: page description/scripting language, levels 1–3 Adobe.ps, .ps2, .ps3 printing/publishing industry standard format PPM: Portable Pixmap File Format ASCII.ppm image/x-portable ...

8. List of file formats - Wikipedia

   en.wikipedia.org/wiki/List_of_file_formats

   GIF – GIF Graphics Interchange Format; GIFV – Graphics Interchange Format Video, a format used for short, looping videos that combines the advantages of GIFs and videos, with better playback quality and lower file sizes [3] GZ – gzip Compressed file; HEIC – High-Efficiency Image Codec; less storage space than the equivalent quality JPEG

9. libpng - Wikipedia

   en.wikipedia.org/wiki/Libpng

   libpng is the official Portable Network Graphics (PNG) reference library (originally called pnglib). It is a platform-independent library that contains C functions for handling PNG images. It supports almost all of PNG's features, is extensible, and has been widely used and tested for over 28 years.