File extension.aiCategoryDescriptionAdobe Illustrator Artwork was developed by Adobe Systems for single page vector based drawings in either EPS or PDF formats. The AI format is a strictly limited simplified subset of the EPS format. It is the standard format used when saving out Adobe Illustrator files.ActionsTechnical DetailsEarlier versions of the AI format are restricted syntax that conform to DSC's Open Structuring Conventions. It was originally a native format called PGF.
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This free online JPG to PDF converter allows to combine multiple images into a single PDF document. Besides JPG/JPEG, this tool supports conversion of PNG, BMP, GIF, and TIFF images. Easily combine multiple JPG images into a single PDF file to catalog and share with others. No limit in file size, no registration, no watermark. This service.
In order to make PDF files compatible can be achieved by embedding the PGF data within the saved PDF file. This same technique is used when saving EPS compatible files in recent versions of Illustrator.Associated programsAdobe Photoshop Adobe Reader Corel Paint Shop ProDeveloped byAdobeMIME typeapplication/illustratorUseful links.
File extension.jpgCategoryDescriptionJPG's are often used for web sites and email as they are generally smaller file sizes as they are lossy meaning that some image quality is lost when the JPG is compressed and saved. The resultant 'lossy' file means that quality can never be recovered. The JPG format is often used in digital camera memory cards.
The JPG file is a great format as it often manages to compress files to 1/10 of the size of the original file which is especially good for saving on bandwidth.ActionsTechnical DetailsJPG is a graphical file format for editing still images, it offers a symmetrical compression technique which is processor intensive and time consiming in both compression and decompression. JPEG is a joint standard of the International Telecommunications Union (ITU-T T.81) and the International Organization for Standardization (ISO 10918-1). JPEG involves a lossy compression mechanism using discrete cosine transform (DCT). Compression rates of 100:1 can be achieved, although the loss is noticeable at that level. Compression rates of 10:1 or 20:1 yield little degradation in image quality.Associated programsAdobe Photoshop Apple Preview Corel Paint Shop Pro Microsoft Windows Photo Gallery ViewerDeveloped byThe JPEG CommitteeMIME typeimage/jpegUseful links.
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File extensionCategoryDescriptionJPEG2000 is an update to JPEG format that provides better compression rates, lossless compression support, up to 24 bit color depth. It unites a family of formats such as JP2, JPM, JPX, MJ2.
Compared to JPEG, compression used in JPEG2000 provides smoother image within the same file size. Due to using wavelets on high compression levels there are no block grid 8x8 pixels. It also supports progressive compression that makes the picture cleaner during the load (blurred image turns clear).Associated programsAdobe PhotoshopApple PreviewCorel Paint Shop ProMicrosoft Windows Photo Gallery ViewerDeveloped byJoint Photographic Experts GroupMIME typeimage/jp2image/jpximage/jpmvideo/mj2Useful links. File extensionCategoryDescriptionJPG is the file format for images made by digital cameras and spread throughout the world wide web. Saving in JPG format an image loses its quality, because of the size compression. But at the end you have a much smaller file easy to archive, send, and publish in the web. These are the cases when an image's size matters more than image's quality.
Nonetheless, by using professional software you can select the compression degree and so affect the image's quality.Associated programsDeveloped byThe JPEG CommitteeMIME typeUseful links.
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March 2023
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