Image Resizer — Free Online Tool
Resize images to any dimensions instantly. Perfect for social media profiles, thumbnails, and web graphics.
Use Image Resizer
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Use Image ResizerQuick Facts
- 100% free — no signups
- Client-side processing
- No file size limits
- Works on all devices
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How to Resize Images Online
Our free online image resizer lets you resize photos to exact pixel dimensions. Whether you need social media images, thumbnails, or web graphics, resize your images instantly.
Why Resize Images?
Resizing images is essential for web performance, social media, email, and print. Oversized images slow websites and waste bandwidth.
Common Social Media Sizes
- **Instagram Post:** 1080×1080
- **Facebook Cover:** 820×312
- **Twitter Header:** 1500×500
- **YouTube Thumbnail:** 1280×720
- **LinkedIn Banner:** 1584×396
Best Practices
- Always resize down, not up — enlarging small images causes pixelation
- Maintain aspect ratio to avoid distortion
- Optimize after resizing with our Image Compressor
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