Resize in Millimeters

How to use resize in millimeters

1. 1Select a photo from your device or drag it onto the upload area.
2. 2Enter the width and height in your preferred unit and lock the aspect ratio if needed.
3. 3Run resize in millimeters — the work happens on your own device, so nothing is uploaded.
4. 4Download the finished file, or send it to the Step Editor to chain more edits.

About resize in millimeters

Resize in Millimeters is part of the PixelDesk general resizing collection. Resize using millimetres at your chosen print DPI. Resize by pixels, centimetres, millimetres or inches, one file at a time or in bulk, while keeping the picture sharp.

Because everything is processed locally, resize in millimeters works instantly even on large files, keeps full quality until you choose to compress, and never stores a copy of your picture. There is no queue, no sign-up and no daily limit.

Frequently asked questions

Is resize in millimeters free to use?

Yes. Resize in Millimeters is completely free, with no account, no watermark and no limit on how many files you process.

Are my photos uploaded to a server?

No. Every operation runs inside your browser using its own canvas engine, so your images never leave your device.

Which devices and browsers work?

Any modern browser on Windows, macOS, Linux, Android or iOS. After the first visit most tools keep working offline.

What can I do after resize in millimeters?

Chain it with other steps — resize, change DPI, blur, replace the background or compress to an exact KB target — in the PixelDesk Step Editor.