Resize Images Online

Change image dimensions in pixels or percent, keeping proportions. Bulk resizing, free, and nothing is uploaded.

Drag and drop images here

or

🔒 Processed in your browser. Nothing is uploaded.

How to use Resize Image

  1. Add your images. Drag in one or many images.
  2. Set the new size. Type a width, a height, or both, or pick a quick size.
  3. Resize and download. Download one image directly, or several as a ZIP.

Common sizes

UseSize in pixels
Full HD screen, presentations1920 × 1080
Website content images1200–1600 wide
Square social posts1080 × 1080
Email images600–800 wide
Thumbnails150–400 wide

Platforms change their recommended sizes from time to time, so check their current guidance for important posts.

Tips

Private by design

Your images are processed entirely in your browser on your own device. Nothing is uploaded to PDFWisely, so there's nothing for us to store, view or delete.

Frequently asked questions

Will resizing stretch my image?

Not with Keep proportions ticked. Untick it only if you need exact dimensions.

Are my images uploaded?

No. Resizing happens in your browser.

Can I resize many images at once?

Yes, they all get the same settings and download as a ZIP.

Does it work on iPhone?

Yes, in Safari and other modern mobile browsers.

Written by Dr. AK

Dr. AK writes PDFWisely's guides on document conversion, PDF standards and file security. Last reviewed .

Read Dr. AK's full profile