7 responses

  1. Mel Yow
    September 5, 2016

    Thank you for the article. If I am correct, the article assumes that one has a picture file in Finder. How does one re-size a picture that is already in Photos.
    Thank you.

    • M. Durio
      September 5, 2016

      Mel:

      A little more convoluted workflow, but you could also drag a picture out of Photos to Desktop. Use Preview as described above. Rename resized picture (or not) and drag back into (import into) Photos.

  2. Dick
    September 5, 2016

    You can resize a photo in the Photos app, either while using “Share” or while in the process of exporting an image from Photos. Of course “Crop” is closely related to, and commonly used in conjunction with, resizing.

    • Paul
      September 5, 2016

      Great tip Dick, never noticed the “Export” option in Photos allows for resizing to custom sizes.

  3. Dave A
    September 6, 2016

    If you need to do this often, set up an Automator service.

  4. Hamza Tariq
    September 6, 2016

    Ahan. I didn’t knew about this. I was previously using the crop function as a resize. It at least allowed me to get hands on videos without wasting time on loading other apps for resize.

  5. Eljayem
    September 6, 2016

    I’ve found that, since I edit a lot of pictures for use in a printed newsletter, I get the best results in Preview>Tools>Adjust size by the following:
    1. Change the DPI value to what you need for publication (I use 300 or higher).
    2. Go to sizing and create the finished size you want.
    3. Execute the process.

    If you resize and then change the DPI you get a totally and sometimes surprising different result.

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