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Image Resizer - Resize Images Online

This tool runs entirely in your browser. Your images are not uploaded to our servers.

How to resize an image (pixels or %) When profile photos, product listings, or forms require specific dimensions, resizing is faster than retaking screenshots. Resize in your browser and download a file that fits the required size. Useful for office workers, students, and online sellers. Useful when: • profile/photo requirements • product image specs • submission size rules

Resize JPG, PNG, or WebP by width/height or percentage. Keep aspect ratio and download instantly.

Show detailed guide & explanations▼

Why you may need this tool

Image uploads often fail due to pixel constraints, and platforms can auto - crop or distort images if the size and aspect ratio do not match their layout. Resizing with intention helps you meet constraints while keeping content clear. A controlled resize step is important for profile images, thumbnails, product images, and submission attachments where clarity and compliance matter.

How to use

Upload an image, set target dimensions or scale, and verify that aspect ratio and readability remain acceptable.

  1. Upload an image (JPG/PNG/WebP)
  2. Set width/height or percentage
  3. Choose output format (optional) and download

Examples

Creating a square profile image without distortion
Profile images often require square dimensions. Resizing while keeping the correct aspect ratio helps avoid stretched faces and unexpected cropping.
Meeting product image dimension guidelines
Marketplaces and catalogs commonly recommend specific sizes. Resizing helps you align with those guidelines so the image displays consistently across listings.

Benefits & differentiators

Resizing to the right dimensions reduces upload failures and improves presentation consistency. Preserving aspect ratio prevents unwanted distortion. A properly sized image often reduces file size as well, which supports faster loading and smoother sharing without sacrificing necessary clarity.

Who this is for

Recommended if you: - need exact pixel dimensions for uploads - prepare thumbnails, profiles, or product images - want to avoid platform auto - cropping surprises - balance clarity and file size for faster sharing

FAQ

Does this keep the aspect ratio?
Yes. Enable the lock option to automatically keep the original aspect ratio.
Is my image uploaded to a server?
No. Resizing runs entirely in your browser.
Can I resize by percentage?
Yes, you can scale the image by percentage (e.g., 50%).
What formats are supported?
JPG/JPEG, PNG, and WebP. You can keep the original format or choose a new one.
Will resizing reduce quality?
Resizing changes pixel dimensions. For JPG/WebP you can also adjust quality when exporting.

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