Changing time: --Replace Mode: Replace image's time with a new value For example: Set the Year with value of 2018 to change two photos' date from 2016-03-05 and 2017-06-12 to 2018-03-05 and 2018-06-12 --Shift Mode: Increase or decrease photos' time based on its original time For example: Set the Day with value of -2 to change two photos' date from 2016-03-05 and 2017-06-12 to 2016-03-03 and 2017-06-10 This app will reserve photo's original EXIF,only change its time information from EXIF. Saving image file: --Duplicate Mode: Duplicate photos first, then modify those new photos with new date. The output file size will be kept with its original size under the Duplicate Mode. --Overwrite Mode: Modify the photos' time with new date directly. If you want to restore photos after changing its date, you should open those changed photos in Photos and click Edit -> Revert The output file size would be compressed under the Overwrite Mode. Available Formats: JPG | HEIC The macOS version named Image Date Changer is also available in Mac App Store.
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