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Image Resizer

Resize one or many images by pixels, percentage or ready-made presets with aspect ratio, fit and no-upscale controls.

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Quick answer

Image Resizer: Image Resizer changes image dimensions by pixels, percentage or common presets while controlling aspect ratio, crop behavior and output format.

OutputResized JPG, PNG or WebP images with exact output dimensions.
Best for
Social media dimensionsProduct image consistencyReducing oversized photos for web use
Tool

Image Resizer

No signup
This tool uses browser-based processing where supported. Review sensitive files before use.
Batch Image ResizerResize by pixels, percentage or ready-made presets with crop and fit modes.
Bulk resizeSocial presets
Drop images hereor click to choose filesJPG, PNG and WebP supported
Choose images to begin.

About Image Resizer

Image Resizer changes image dimensions for websites, marketplaces, profile pictures, presentations and document uploads. You can enter exact pixel dimensions, resize by percentage or choose a common preset. Batch mode applies the same settings to several pictures, which is useful when preparing a consistent product catalogue or social campaign.

Keep aspect ratio enabled when the image should not look stretched. Contain fits the complete image within the requested box, cover fills the box by cropping the edges, and stretch forces the exact width and height. The no-upscale option prevents a small source image from being enlarged beyond its original dimensions, helping avoid unnecessary blur. Select JPG, PNG or WebP output and choose suitable quality. Check important framing after cover mode, because automatic cropping may remove content near an edge.

How to use Image Resizer

  1. 1Select one or more supported images.
  2. 2Choose pixels, percentage or a preset size.
  3. 3Set contain, cover or stretch and decide whether to lock aspect ratio.
  4. 4Choose output format and quality, then resize.
  5. 5Review the dimensions and download the files or ZIP.

Features

Batch image resizing
Pixels, percentage and preset modes
Contain, cover and stretch fitting
Aspect-ratio and no-upscale controls
Social, product and HD presets
JPG, PNG and WebP output
Individual and ZIP downloads

Examples

Example 1Resize product photos to a consistent 1200 by 1200 pixel square.
Example 2Reduce phone images to 50 percent for faster email sharing.
Example 3Create a social banner with cover mode while keeping the centre subject visible.
Continue your workflow

Useful next steps

Open another tool that commonly follows this task.

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Related tools

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Image CompressorCompress JPG, PNG and WebP images in bulk with quality, target-size, resize and output-format controls.

Frequently asked questions

What is the difference between contain and cover?

Contain shows the whole image inside the target area. Cover fills the area and may crop edges.

Should I enable aspect ratio?

Enable it for most photographs and logos to prevent stretching.

What does no upscale mean?

It prevents the tool from enlarging an image beyond its original pixel dimensions.

Can I resize multiple images at once?

Yes. Batch processing applies the selected dimensions and format to all chosen images.