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2. 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 ...

3. Netpbm - Wikipedia

   en.wikipedia.org/wiki/Netpbm

   Filesize reduction factor 100 or so when converting to png is typical if the image is a line drawing; if the image is a photo, it is best converted to jpeg, which yields a greater filesize reduction. The PPM format is generally an intermediate format used for image work before converting to a more efficient format, for example the PNG format ...

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. JPEG Network Graphics - Wikipedia

   en.wikipedia.org/wiki/JPEG_Network_Graphics

   JPEG Network Graphics (JNG, / ˈ dʒ ɪ ŋ /) is a JPEG-based graphics file format which is closely related to PNG: it uses the PNG file structure (with a different signature) as a container format to wrap JPEG-encoded image data. JNG was created as an adjunct to the MNG animation format, but may be used as a stand-alone format. JNG files embed ...

6. Category:Portable Network Graphics - Wikipedia

   en.wikipedia.org/wiki/Category:Portable_Network...

   Download as PDF; Printable version; In other projects ... Help. Pages in category "Portable Network Graphics" The following 15 pages are in this category, out of 15 ...

7. List of file formats - Wikipedia

   en.wikipedia.org/wiki/List_of_file_formats

   PICT, PCT – Apple Macintosh PICT image; PNG – Portable Network Graphic (lossless, recommended for display and edition of graphic images) PNJ – a sub-format of the MNG file format, used for encapsulating JPEG files [15] PNM – Portable anymap graphic bitmap image; PNS – PNG Stereo; PPM – Portable Pixmap (Pixel Map) image

8. Multiple-image Network Graphics - Wikipedia

   en.wikipedia.org/.../Multiple-image_Network_Graphics

   Multiple-image Network Graphics (MNG) is a graphics file format published in 2001 for animated images. Its specification is publicly documented and there are free software reference implementations available. MNG is closely related to the PNG image format.

9. APNG - Wikipedia

   en.wikipedia.org/wiki/APNG

   The frame speed data and extra animation frames are stored in extra chunks (as provided for by the original PNG specification). APNG competed with Multiple-image Network Graphics (MNG), a comprehensive format for bitmapped animations which was created by the same team as PNG and is obsolete. APNG's advantage was the smaller library size and ...