Resize Image to cm or mm

Convert centimeters or millimeters and a selected DPI into pixel dimensions, then fit or crop the image.

Choose an image for physical print dimensions

Drop an image here, or choose one from your device.

Still JPG, PNG, or WebP · 1 image · up to 25 MB and 24 MP

Your original files stay unchanged. Processing happens in this browser where supported.

How to use this tool

Create the exact pixel dimensions for the selected physical size and embed resolution metadata in JPG or PNG.

  1. 1Choose a JPG, PNG, or WebP image and enter width, height, units, and DPI.
  2. 2Choose whether to fit the whole image or crop it to fill the target.
  3. 3Create the image and verify its pixel dimensions and print settings in your destination app.

Best for

Prints, forms, and image uploads that specify physical dimensions and resolution.

Privacy

Files are processed locally in this browser for this tool. The original files stay unchanged, and file names or image contents are not included in tool analytics. Read our privacy policy

Limitations

  • Changing DPI metadata does not add detail to a low-resolution source.
  • Fit mode adds transparent space for PNG/WebP and white for JPG; cover mode crops edges.
  • JPG and PNG carry resolution metadata. WebP keeps its format but receiving apps may not read its DPI metadata.

Questions

How do I use resize image to cm or mm?

Choose a JPG, PNG, or WebP image and enter width, height, units, and DPI. Choose whether to fit the whole image or crop it to fill the target. Create the image and verify its pixel dimensions and print settings in your destination app.

What format will I download?

Editing keeps the source JPG, PNG, or WebP format in the downloaded bytes, MIME type, and filename extension. AVIF input is rejected with an actionable conversion message.

Are my files uploaded?

No. This tool processes the selected files locally in your browser. Processing speed and format support depend on your device and browser.

Can I change the original file?

No. The tool creates a separate downloadable result; your source file remains unchanged.

Can I use this tool on my phone?

Yes, in a current mobile browser. Large images or batches may take longer and use more memory on a phone, so reduce the batch or image size if processing stops.

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