Resize Image Online

Resize images online with exact pixel dimensions or percentage presets. Prepare web, social and marketplace images in a batch without uploading the originals.

Quick answer

Upload a JPG, PNG, WebP or AVIF image, enter exact width and height or pick a 25%–200% percentage preset, and the browser resizes it without uploading. Lock the aspect ratio to avoid distortion, batch up to 20 files into a ZIP, and download everything free without an account.

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JPG, PNG, WebP or AVIF · Up to 20MB

About Image Resizer

Exact-pixel resizing covers the hard requirements: a marketplace that demands 2000-pixel-wide product images, a CMS that caps header uploads, or a layout slot with fixed dimensions. Percentage presets from 25% to 200% handle quick scaling when no exact number applies. Aspect-ratio locking is on by default, so one-sided changes keep the image's shape.

Batch mode processes up to 20 files in one pass, reports each result and packs successful outputs into a ZIP. Every file is decoded and rescaled in the browser, so originals on disk are never modified and nothing is uploaded.

Downscaling — making images smaller — keeps quality high because extra pixels are discarded cleanly. Enlarging cannot invent detail that was never captured, so keep the source at or above the target size whenever possible. When file size also matters, Compress Image reduces the download further after resizing.

How it works

  1. Upload the image you want to resize.

  2. Choose exact dimensions or a percentage scale.

  3. Download the resized result in your preferred format.

Features

  • Free to use

  • No signup required

  • Processed in your browser

  • Images are not uploaded

  • Works on mobile and desktop

Why use this tool

  • Create exact-width images for website layouts, marketplaces and CMS requirements.

  • Scale screenshots, photos and product images with 25% to 200% presets.

  • Resize up to 20 images at once and download the successful results as a ZIP file.

Frequently asked questions

Yes. Aspect-ratio locking is enabled by default, and you can turn it off when you need separate dimensions.

Yes. The resizer includes common presets from 25% through 200%.

No. The result is downloaded as a new generated file; your selected source file is never modified or uploaded.

The resizer supports JPG/JPEG, PNG, WebP and AVIF inputs up to 20MB, subject to browser decode support.