Resize Image in MM
Resize using millimetres and DPI.
Resize Image in MM is its own job in the catalog (resize): Resize using millimetres and DPI. It is not a copy of the resizer or converter with a new title — the operation is “resize”.
Controls on this page: Width (mm), Height (mm), DPI, Maintain aspect ratio. Output defaults to jpg.
Processed in your browser. Files are not uploaded.
Supported: JPG, JPEG, PNG, WEBP, GIF, BMP, HEIC. Max 25 MB, 30 files.
Related tools
Resize Image in CM
Resize using centimetres and DPI for print.
Resize Image in Inches
Resize using inches and DPI.
Image Resizer
Resize images by pixels, keep aspect ratio, and download locally.
Resize Image by Pixels
Set exact pixel width and height.
Resize Image by Percentage
Scale an image to 25%, 50%, 200% or a custom percent.
Resize Image by DPI
Resample pixels so the photo matches a target print DPI.
Resize Image in MM runs in this browser with Canvas. The file is not uploaded to imagecropx. Close the tab and the copy in memory is gone.
What this is not
There is no account and no file locker. If a format cannot be written, the tool says so.
How to use Resize Image in MM
- Choose a file for Resize Image in MM. It stays on this device.
- Set the controls for this tool (Width (mm), Height (mm), DPI).
- Process, then download. You can add more than one file if this resize image in mm lists a batch cap.
Questions about this tool
Does Resize Image in MM upload my file?
No. Processing is in this browser.
Can I use this on a phone?
Yes, with the same file-size cap (about 25 MB). A large photo is slower on a phone CPU than on a laptop.
Does Resize Image in MM upload the file?
No. This tool runs in the tab. See Privacy for decoder notes (HEIC, PDF.js worker).
What is the file size cap?
About 25 MB per file. Very large pixel counts are rejected so the tab stays responsive.