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ScanMaster

Photo Resizer

Resize any photo to exact pixels, percent or presets — with aspect lock.

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About Photo Resizer

Resize a photo to exact pixels, a percentage of the original, or a named preset, with the aspect ratio locked unless you tell it otherwise. Up to 50 images go in one batch and come back as a ZIP, so it is as good for one avatar as for a whole folder of product shots.

Getting a camera photo down to the pixel size a form, theme or listing asks for.

How to use Photo Resizer in 3 steps

  1. Drop the photos onto the drop area — one file or as many as 50.
  2. Set Width (px) and let Height (auto) follow, or switch off Lock aspect ratio if you need different proportions.
  3. Press Resize and download the results, each named with its new dimensions.

What you get with Photo Resizer

  • Lock aspect ratio keeps people and products from going thin or fat
  • Percent mode scales a set uniformly, e.g. every image to half its size
  • Batch resize of up to 50 images, returned as one ZIP
  • Quality slider on the way out, so a resize can also lose weight
  • Runs in your browser — the file is never uploaded
  • Free to use, with no signup and no account
  • No watermark or logo added to your output
  • Works on desktop and mobile, no install

Photo Resizer: questions

Will resizing make my photo soft?
Downscaling always discards detail, but the browser resamples with a smooth filter, so a modest reduction is close to indistinguishable. Resizing a photo much larger is a different problem — that is what Image Upscaler covers, and it cannot invent detail either.
Why did the height not match the number I typed?
Because Lock aspect ratio was on: the height is derived from the width so the picture keeps its proportions. Turn the lock off to force exact width and height, which will stretch the image.
Does it strip the EXIF data?
Re-encoding through the canvas does not carry the original camera metadata across. If you need EXIF kept, that is not this tool; if you want it gone, that is a bonus.
What is the biggest file I can resize?
100 MB per image, up to 50 images in one batch. In practice a very large file is limited by your browser's memory, not by a server quota.