Image Resizer — Resize JPG/PNG/WebP Locally (No Upload)

What is Image Resizer?

Resizing images is another day-in-day-out task most people default to a random online tool for. Those tools upload the image, cap the size, and show ads. This tool does the same math (Canvas high-quality scaling) locally, in batch, with no upload. When shrinking large images, the tool uses a stepped downscale — halving the image repeatedly until it's close to the target — which produces noticeably sharper output than the browser's default one-shot scale, especially for extreme downscales (say 4000×3000 → 500×375).

How to resize images online

1. 1Drop one or many images.
2. 2Pick a unit (pixels or percent).
3. 3Enter width (and height, if aspect ratio lock is off).
4. 4Optionally pick an output format and quality.
5. 5Click 'Resize all' and download individually or in batch.

Use Cases

Tips & Best Practices

• ▸For downscale > 4×, stepped downscale (what this tool uses) gives visibly sharper output than a single-shot scale.
• ▸For upscale, no algorithm creates detail that wasn't there — expect softness.
• ▸PNG-lossless keeps every pixel; use it when preparing UI assets.
• ▸If you need both resize AND heavy compression, run Image Resizer first, then Image Compressor on the output.