PaperKit › Resize Image

Resize Image

Scale images down to a maximum width or height while keeping the aspect ratio, in your browser. No upload, no signup, and free to use in your browser.

How to use Resize Image

Drop one or more images.
Enter a maximum width or height.
Download the resized copies.

Scale images down to a width or height

Enter a maximum width, a maximum height, or both, and PaperKit scales each image so it fits inside those limits while keeping its proportions. Images that already fit are left at their size; nothing is enlarged, because upscaling only adds blur. The output keeps the input format unless you choose another, and HEIC becomes JPG.

Pick the size for where the image goes

Screens rarely show more than 2000 pixels across, web pages often less than 1200, and avatars or thumbnails need a few hundred. Setting a width limit alone is usually enough; add a height limit when portrait photos must fit a fixed box. The file name gains the new width, for example photo-1600w.jpg, so you can keep several sizes apart.

Resizing also shrinks the file

Fewer pixels means fewer bytes, often more than compression alone achieves. The output is re-encoded at a high quality setting and the EXIF orientation is applied first so photos stay upright; EXIF metadata itself is not carried over. Use Compress Image when you want to control quality as well.

Next steps

Related PDF tools

Compress Image — Shrink JPG, PNG, and WEBP photos by re-encoding them at the quality and size you choose, and see the saving before you download.
Convert Image — Convert between JPG, PNG, and WEBP locally, including HEIC input, with no upload.
Image to PDF — Convert JPG or PNG images to a single PDF. Drop images and download a clean PDF.

Frequently asked questions

How do I use Resize Image?

Drop one or more images. Enter a maximum width or height. Download the resized copies. The finished file is created in your browser.

Is this resize image tool private?

Yes. Resize Image runs locally in your browser, so your PDF is not uploaded to PaperKit or stored on a server.

Will Resize Image change my original PDF?

No. PaperKit creates a new downloadable file and leaves your original document unchanged.