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2. PDF - Wikipedia

   en.wikipedia.org/wiki/PDF

   A small set of fields is defined and can be extended with additional text values if required. This method is deprecated in PDF 2.0. In PDF 1.4, support was added for Metadata Streams, using the Extensible Metadata Platform (XMP) to add XML standards-based extensible metadata as used in other file formats. PDF 2.0 allows metadata to be attached ...

3. JPEG - Wikipedia

   en.wikipedia.org/wiki/JPEG

   JPEG. JPEG ( / ˈdʒeɪpɛɡ / JAY-peg, short for Joint Photographic Experts Group) [ 2] is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality.

4. Comparison of graphics file formats - Wikipedia

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

   superseded by Jpeg XL Yes FPX: FlashPix (1.0.2) .fpx image/vnd.fpx ... PDF: Portable Document Format Adobe Systems.pdf, .epdf application/pdf PEF: PENTAX RAW

5. History of PDF - Wikipedia

   en.wikipedia.org/wiki/History_of_PDF

   History of PDF. The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008. Since then, it has been under the control of an International Organization for Standardization (ISO) committee of ...

6. Image file format - Wikipedia

   en.wikipedia.org/wiki/Image_file_format

   Image file format. An image file format is a file format for a digital image. There are many formats that can be used, such as JPEG, PNG, and GIF. Most formats up until 2022 were for storing 2D images, not 3D ones. The data stored in an image file format may be compressed or uncompressed. If the data is compressed, it may be done so using lossy ...

7. List of open file formats - Wikipedia

   en.wikipedia.org/wiki/List_of_open_file_formats

   PDF version 1.7 was standardized as ISO 32000-1 [8] in 2008. However, some technologies indispensable for the full implementation of ISO 32000-1 are defined only by Adobe and remain proprietary (e.g. Adobe XML Forms Architecture, Adobe JavaScript). [9] [10] ISO 32000-2:2017 (PDF 2.0) does not