Resize Images Online — Free Pixel-Perfect Tool
Resize images to any dimension with our precise online tool. Lock the aspect ratio to avoid distortion, or use built-in presets for Instagram, Facebook, YouTube, and LinkedIn.
Upload an image to resize
PNG, JPG, WebP supported
How to Use the Image Resizer
- 1
Upload your image (PNG, JPG, or WebP) using the upload button or drag and drop.
- 2
Choose a social media preset (Instagram, Facebook, YouTube, LinkedIn) or enter custom pixel dimensions.
- 3
Toggle 'Lock Aspect Ratio' to scale proportionally, or uncheck it to set width and height independently.
- 4
Click 'Resize Image' and download the result at the exact dimensions you need.
Why Use Image Resizer?
Every platform has different image size requirements — Instagram wants square 1080×1080px posts, YouTube needs 1280×720px thumbnails, and Facebook covers are 851×315px. Uploading the wrong size means the platform either crops your image unexpectedly or stretches it, ruining the composition. Resizing before uploading also reduces file size, which speeds up upload times and ensures your images render crisp and sharp on every device. Our built-in social media presets take the guesswork out of which size to use.
Frequently Asked Questions
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