YUCTS Tools

Image Resizer (batch resize)

Resize images by width, height or percentage in your browser, in batches. Keeps the aspect ratio, optionally prevents enlarging, and warns about distortion.

  • Runs in your browser (no upload)

Up to 40 MB per file

How to set the size

90

How to use

  1. Choose or drag and drop images (multiple allowed).
  2. Choose a method such as "Set width" or "Fit inside a box", enter the size and press "Start processing".
  3. Check the original and new sizes, then download each file or all of them as a ZIP.

FAQ

Is the aspect ratio kept?

Yes, in every mode except "Set width and height". If the ratio changes, the tool tells you by how much.

Can I make small images bigger?

Turn on "Allow making images larger". Enlarged images can look blurry.

Notes & limitations

  • What you enter is processed only on this page and is not sent to YUCTS servers.
  • Up to 16,384 px per side and 16 megapixels in total (matching iPhone limits).
  • HEIC/HEIF cannot be opened. Animated GIFs keep only the first frame.
  • Metadata such as EXIF is not kept when re-encoding.