Resize Images Online
Resize images to exact dimensions with smart presets for social media. 100% private - your images never leave your browser.
Upload → Auto-resize → Download (recommended)
Images only • Max 100MB per file
How to Resize Images
- Upload your images by clicking or dragging them into the upload zone (or entire folder)
- Quick Mode auto-resizes with Instagram Post dimensions (recommended)
- Use Advanced Mode to choose from presets or set custom dimensions
- Compare before/after with interactive slider
- Download individual files or bulk ZIP
Common Image Sizes
Social Media
- Instagram Post: 1080 × 1080 px (square)
- Instagram Story: 1080 × 1920 px
- Facebook Post: 1200 × 630 px
- Twitter Post: 1200 × 675 px
- LinkedIn Post: 1200 × 627 px
Web & Print
- HD (720p): 1280 × 720 px
- Full HD (1080p): 1920 × 1080 px
- 4K (2160p): 3840 × 2160 px
- Profile Picture: 400 × 400 px
- Thumbnail: 150 × 150 px
Why Resize Images?
Faster Loading
Smaller images load faster on websites and mobile devices.
Save Storage
Reduce file size to save disk space on your devices and cloud storage.
Social Media Ready
Match exact dimensions required by Instagram, Facebook, and other platforms.
Privacy First
All resizing happens in your browser. We never see your images.
Frequently Asked Questions
Is this image resizer free?
Yes! Completely free with no limits, no watermarks, and no registration required.
Should I maintain aspect ratio?
Yes, in most cases. This prevents image distortion by keeping the original width-to-height ratio.
Will resizing reduce quality?
Our tool uses high-quality algorithms (Pica.js) to minimize quality loss. Our default 92% quality setting provides excellent results.
Can I resize multiple images at once?
Yes! Upload multiple images or entire folders and they'll all be resized with the same settings.