How to Resize Images Online
- Upload your image: Drag and drop your JPG, PNG, or WebP photo into the resizer box or click to select a file from your computer or phone.
- Choose resizing mode: Pick between "Exact Dimensions" (set custom width and height in pixels) or "Percentage Scale" (scale down to 25%, 50%, 75%, or enlarge up to 200%).
- Lock or unlock aspect ratio: Keep the aspect ratio locked to prevent distortion and stretching, or unlock it to set custom proportions.
- Select format and quality: Export in original format, WebP, PNG, or JPEG with adjustable quality settings.
- Download resized image: Click "Resize Image" and download your ready-to-use image.
Common Dimensions for Social Media and Web
- Instagram Post (Square): 1080 × 1080 px
- Instagram Story / Reels: 1080 × 1920 px (9:16)
- YouTube Thumbnail: 1280 × 720 px (16:9)
- Facebook Cover Photo: 820 × 312 px
- LinkedIn Banner: 1584 × 396 px
- Website Favicon / Icon: 512 × 512 px
Why Resize Images in the Browser?
Standard image upload tools send your high-resolution photos over the internet to remote servers, which consumes heavy bandwidth, compromises privacy, and risks storing personal media. Our Image Resizer uses your browser's native HTML5 Canvas hardware acceleration to perform pixel resampling directly on your machine.
Frequently Asked Questions
Looking to shrink image file size without changing dimensions?
Try Image Compressor