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Photo Resizer Online - Pixels, CM & MM

Resize image dimensions by exact pixels, width, height, centimeters, or millimeters for job portals and ID cards.

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How to Resize Images by Pixels or Centimeters Online?

Government job applications, college admissions, and passport renewal portals enforce strict width and height dimension criteria. Docs Tools resizes your image in three easy steps:

1

Upload Photo

Select your photo or signature from your smartphone gallery or PC.

2

Set Dimensions

Pick a preset like 3.5x4.5 cm or type custom pixels, CM, or MM.

3

Download

Click 'Resize & Generate Photo' to save your calibrated image immediately.

Frequently Asked Questions (FAQ)

1. How do I resize photos to 3.5 cm x 4.5 cm for exam portals?
Select 'Centimeters (cm)' from the unit dropdown, enter 3.5 in Width and 4.5 in Height, or simply choose the 'Passport Size (3.5 x 4.5 cm)' preset from the Common Presets list.
2. What DPI should I pick for portal uploads?
Most government recruitment and banking portals (like UPSC, SSC, IBPS) recommend 200 DPI. For studio physical printouts, 300 DPI is optimal.
3. Are my personal certificates and photos stored online?
No. All resizing runs entirely inside your web browser's local memory using client-side JavaScript. Your photos are never sent to external servers.