Resize Image Online
Resize images online by exact pixels, percentage, or longest edge.
How to use Resize Image
Choose exact pixel dimensions, a percentage, or simply cap the longest edge — handy presets cover 640, 1080, 1920 and 2560 px. Aspect ratio stays locked by default so nothing gets stretched, and upscaling is off by default so a small image is never blown up and blurred unless you ask for it.
- Drop your file into the box above, or click it to browse. You can also paste from the clipboard.
- Adjust the options to taste — the defaults are sensible for most cases.
- Press Resize and watch the progress bar; everything runs on your device.
- Download your result — individually, or as a ZIP when there are several files.
Like every tool on ImageCompressorKits, this runs 100% in your browser: your file is never uploaded to any server, which makes it safe to use even with private documents — and it keeps working if you go offline after the page loads.
Frequently asked questions
Will resizing distort my image?
No. The aspect ratio is locked by default; entering a width fills in the matching height automatically. Untick the lock only if you deliberately want to stretch it.
Does resizing reduce quality?
Downscaling is done in a single high-quality pass, which keeps text and edges crisp. Enlarging beyond the original size always costs sharpness, which is why upscaling is opt-in.
Is this tool really free?
Yes — completely free, with no signup, no watermark, and no file limits beyond what your device's memory can handle.
Are my files private?
Yes. Processing happens locally in your browser via JavaScript; nothing is transmitted or stored. See our privacy policy for the full picture.