Image Tools
Image Resizer
Resize images by pixels, percentage, or custom dimensions and export as JPG, PNG, or WebP.
Private by default: supported files are processed in your browser whenever possible.
px
px
88%
Result
1200 x 800
Selected target
Not processed
Final export size
How to use it
- 1Upload an image.
- 2Enter a width and height or choose a percentage.
- 3Keep aspect ratio if needed.
- 4Download the resized image.
Features
Custom width and height
Lock aspect ratio
Resize by percentage
Common ratios
Preview before download
Image Resizer FAQ
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.