Resize an image
image cat scales images by pixel width/height or percentage locally in your browser, to meet avatar sizes, site artwork and platform upload requirements. Lock the aspect ratio for proportional scaling, process in batches — files are never uploaded.
3 numbered images + 1 damaged file. A real processing example.
Images are processed in this tab. Download your results before closing or refreshing.
Your finished images will appear here.
Check each image, its dimensions and file size before downloading.
How to resize image
- 1Drop one or more images.
- 2Choose “percentage” or “exact width/height in pixels”; lock aspect ratio to keep proportions.
- 3Pick an output format.
- 4Click “Start” and download individually or as a ZIP.
Why use image cat's Resize Image?
- Local scaling: images stay on your device.
- Proportional or custom: lock the ratio to avoid distortion, or set exact width and height.
- High-quality resampling — sharp when scaling down.
Frequently asked questions
Yes. Drop several at once, set the target size, and image cat scales each with a ZIP download.
Ordinary resizing interpolates existing pixels; it cannot recover missing detail. Compare the output at its actual size before using it.
Updated · image cat team
Sources, review and limits
Last verified
2026-06-17
Author
Image-Cat editorial team
Reviewer
Image-Cat tooling review
Primary sources
- Browser image decoding, Canvas and download APIs
- Common social, web and device image-size presets
- User-provided images processed locally
Compression and resizing can change quality, metadata and color. Keep originals and verify output before publishing or printing.