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Thread: Convert progressive jpeg to standard

  1. #1

    Join Date
    Jul 2015
    Posts
    23

    Question Convert progressive jpeg to standard

    Is there a way to batch convert progressive jpegs to standard jpegs?

  2. #2
    Administrator
    Join Date
    Apr 2002
    Posts
    40,758

    Re: Convert progressive jpeg to standard

    If you convert Jpeg to Jpeg they should no longer be progressive?

  3. #3
    dBpoweramp Enthusiast
    Join Date
    Aug 2015
    Posts
    52

    Re: Convert progressive jpeg to standard

    @mwhals

    Spoon may be right. Sadly I've had a rather painful journey with the same issue you mention. The only solution set that gave me reliable results was:
    * to identify all the jpg's that are progressive with a tool called exiftool (and)
    * then use that list to batch process and losslessly re-encode to baseline jpg's with a tool called jpegtran

    Both tools are open source but prepare yourself for the learning curve. :-)

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