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Image Resizer

Upload an image, set new dimensions, preview, and download.

Upload an image to preview

About this tool

Resize images to exact pixel dimensions or by percentage - free, fast, and without uploading to a server. Lock the aspect ratio to prevent distortion, or set width and height independently. Supports PNG, JPEG, WebP, and any browser-compatible image format. Perfect for resizing photos for social media, email, websites, and print specifications.

How to Resize an Image Online

  1. 1Drop your image or click to browse.
  2. 2Enter the target width in pixels (height updates automatically with aspect lock on).
  3. 3Or enter a percentage to scale proportionally.
  4. 4Click 'Resize'.
  5. 5Download the resized image in PNG or JPEG.

Frequently Asked Questions

How do I resize an image without distorting it?+
Enable 'Lock aspect ratio' before entering your dimensions. The tool calculates the other dimension automatically to maintain the original proportions.
What image dimensions does Instagram require?+
Square posts: 1080ร—1080px. Portrait: 1080ร—1350px. Landscape: 1080ร—608px. Stories and Reels: 1080ร—1920px.
Will resizing reduce image quality?+
Enlarging beyond the original resolution always reduces sharpness. Reducing size preserves visible quality while lowering file size. For best upscale results, use the Image Upscaler tool.
Is there a maximum resolution I can resize to?+
No enforced limit, but dimensions over 10,000ร—10,000px may be slow to process in the browser. For very large output, a desktop tool is recommended.
Looking for a deeper guide on this topic? Browse the Searchlight blog.
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