Resize images in bulk on Mac
To resize images in bulk on a Mac, double-tap the right Option key and type “resize to 1080 px”. Resized copies; the long side gets the size. Never made bigger than before.
Recorded on the app (“resize to 1080 px” on IMG_1001.jpg): 6016 px → 1080 px, 3.2 MB → 114 KB · done in 0.1 s.
How to do it
- Select the files in Finder, pick them with @ in the bar, or name them in plain words ("my last pdf").
- Double-tap the right Option key to open the bar.
- Type “resize to 1080 px”.
- Press Return. The new file appears next to the original.
Type
- resize to 1080 px
- resize by 50%
- make this image smaller for whatsapp
What you get
Resized copies; the long side gets the size. Never made bigger than before.
The original is never changed or overwritten. Undo trashes what the job made.
Say the size in pixels (“1080 px”) or percent (“50%”).
The free Mac way
Preview → Tools → Adjust Size.
Limits
- None known beyond the app's general limits.
Questions
Is my file uploaded?
No. Whizra does the job on your Mac, and your files never leave it. The only thing the app sends is your license key check.
Does it change the original?
No. The original is never changed or overwritten, and Undo takes the job back.
What can't it do?
None known beyond the app's general limits.
Is there a free way on a Mac?
Preview → Tools → Adjust Size.