Image Tools

Change Image Resolution

Change image resolution online with custom width and height controls.

Private by default: supported files are processed in your browser whenever possible.

Upload imageChoose a JPG, PNG, or WebP image. The final export is rendered on a canvas with the exact target size.Choose image

Target width

Target height

Lock aspect ratio

Resize by percentage

Common sizes

Resize mode

Output format

Background color

Quality88%

Compress under target size

Target file size

1200 x 800

Selected target

Not processed

Final export size

How to use it

Custom width and height

Keep aspect ratio

Upscale or downscale

Old and new resolution

Estimated file size

Clear answers before you resize, crop, compress, and download.

Are my files uploaded to a server?+

Whenever possible, Nova1st processes files in your browser. Advanced tools that need secure server-side processing are clearly marked.

Which image formats are supported?+

Most image tools support JPG, PNG, and WebP files.

Can I download the final file?+

Yes. Active tools generate a downloadable result directly from your browser.

Change image width and height online.

Make square images for profiles and marketplaces.

Resize images for every major social platform.