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Apple's system default DPI is 72dpi, Microsoft's is 96dpi, your camera take photos at 350dpi, your scanned photo has a DPI of 600dpi, your PhotoShop was set to 100dpi …

Although the difference in DPI will not affect the quality of your picture unless you print them, it does bring some unexpected and quite messy issues when you work with pictures with different DPI.

With simple clicks, batchDPI can set all pictures in a folder to a uniform DPI you chose, no matter where they were downloaded or inputed from, or what they were edited with.

By the way, it's very interesting to find out if your favorite desktop wallpaper is originally created for Mac or PC, just check its DPI, 72dpi for Mac and 96dpi for PC. :)

– batch change thousands of pictures' DPI with a few simple clicks;
– will copy (not replace) your photos to ensure the safety of your originals;
– special destination folder first procedure protects against the overwrite of your original files;
– toggle-able beep after each file processed;
– progress indicator during processing;
– destination folder will open automatically after processing;
– supported formats: png, jpg, jpeg, other format support will be added upon YOUR feature requests;

Part of of dragonBTV's batch series, batchDPI surely inherited the tradition of handling original files' security and app's efficiency!

Q: When batchDPI finish convertion and takes me to the output folder, all the pictures look like the same as before.
A: You may not notice the change by your eyes, the app changes picture's DPI only. You may click the 'Show Inspector' from your app 'Preview' before and after convert to see the change of your picture's DPI.

version history:
v1.50 -> v1.52
– add support to .tif pictures upon user's feature request
– more detailed technical support email templet
– more detailed feature request email templet
– updated more by dragonBTV panel

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