How do you convert mm to pixels?

pixels = mm × DPI / 25.4. At 300 DPI: 35mm = 413 pixels, 45mm = 531 pixels. Resizing happens entirely in your browser, so the image never leaves your device. You can keep the aspect ratio or set exact dimensions depending on your needs.

What is 35 × 45 mm in pixels?

At 300 DPI, 35 × 45 mm = 413 × 531 pixels. Common for Schengen visa photos and Indian passport photos. Resizing happens entirely in your browser, so the image never leaves your device. You can keep the aspect ratio or set exact dimensions depending on your needs.

Is 35 × 45 mm the standard passport size?

Yes for most countries. UK, EU, and Schengen area use 35 × 45 mm. US uses 2 × 2 inches (50.8 × 50.8 mm). Resizing happens entirely in your browser, so the image never leaves your device. You can keep the aspect ratio or set exact dimensions depending on your needs.

How precise is mm-based resizing?

Pixel output is mathematically exact for the given DPI. For print, always verify at actual size (100% zoom in a print preview) since printers may add margins.

Is this tool free to use?

Yes. There is no charge, no account, and no watermark on the output. Resizing happens entirely in your browser, so the image never leaves your device. You can keep the aspect ratio or set exact dimensions depending on your needs.

Resize Image in MM — Resize Image In Mm

Resize Image in MM

Millimeter resizing auto-converts mm to pixels (35×45 mm = 413×531 px at 300 DPI) for precise document and passport sizing. Do it all here in your browser — free, private, and with no uploads.

Why it matters: Millimeter resizing auto-converts mm to pixels (35×45 mm = 413×531 px at 300 DPI) for precise document and passport sizing.

How to resize images

1Upload your image. Everything stays in your browser — nothing is sent to a server.
2Pick a method — By Pixels for exact sizes, By % to scale proportionally, Aspect Ratio to reshape, or a Preset for social/print standards.
3Resize and download. Batch mode bundles every file into a single ZIP.

Best settings for this page: Open the tool, choose Resize Image in MM from the tabs, set your values, and download instantly.

All resizing runs locally in your browser. Your files are not uploaded to any server.

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