iGuardPDF

Resize Image

Change a JPG or PNG's pixel dimensions — exact size or a quick scale-down. Free, no signup.

Available on Pro — from £4/month

  • Invisible fingerprinting on every document
  • Share links for Guarded documents
  • Photo verification on open — approve or deny in 60 seconds
  • View-only mode — no download on shared links
  • Revoke access instantly, even after it's been opened
  • Burn-after-read — set a view limit or expiry date
  • Geofencing — restrict who can open it by country
  • One-click legal evidence export if a leak needs to be traced
  • Document analytics — views, shares, countries, and timestamps for every document you send
  • Real-time alerts the moment someone copies, screenshots, or opens on a new device
  • Tracking beacon — get pinged the moment a document is opened in Adobe Acrobat/Reader, even offline
  • Auto-lock on copy or screenshot attempt — the share link revokes itself the instant one is detected
See everything Pro unlocks — £4/month →

How to resize a JPG or PNG image

  1. Upload the image you want to resize.
  2. Set exact pixel dimensions, or choose a quick scale-down.
  3. Download the resized file.

Common reasons to resize an image

  • Meeting an exact pixel requirement for a passport photo or ID upload
  • Shrinking a large camera photo before emailing it
  • Preparing an image at the right size for a website or social media profile

FAQ

Can I set an exact width and height?

Yes, exact pixel dimensions are supported.

Does resizing distort the image?

Only if you set dimensions with a different aspect ratio than the original — scaling proportionally keeps it undistorted.

Does it work on both JPG and PNG?

Yes.