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Anonymous
November 15, 2016
Question

Quality File Format

  • November 15, 2016
  • 3 replies
  • 384 views

Which file format can be compressed in many ways and maintain a good quality?

i thought if it can be compress in many ways and maintain its quality then its completely lossless but i also thought JPG could be compressed in many ways and maintain quality but i know its not completely lossless.

what file format is completely lossless?

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    3 replies

    Mike_Gondek10189183
    Community Expert
    Mike_Gondek10189183Community Expert
    Community Expert
    November 15, 2016

    Illustrator has lossless compression that you enable while saving

    You mentioned jpg so you may be thinking of bitmapped formats, which would be a good question for a Photoshop forum.  Photoshop format (.psd) has lossless compression, and you can get to that by doing an file >> export as in illustrator.

    So lossless quality means no degradation, but you asked actually about good quality so many (.jpg, .pdf and more ) of them will do that as long as you do not slide the quality level to low.

    Jacob Bugge
    Community Expert
    Jacob BuggeCommunity Expert
    Community Expert
    November 15, 2016

    Grant,

    PNG24 is lossless, and inherently better for crispness than JPEG therefore more obvious for vector artwork, and also allowing transparent image parts; sometimes, the file size is even smaller.

    Talking about raster images in RGB.

    Monika Gause
    Community Expert
    Monika GauseCommunity Expert
    Community Expert
    November 15, 2016

    xGrantx schrieb:

    Which file format can be compressed in many ways and maintain a good quality?

    None.

    What do you want to use the file for?

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