How to Resize Images Online Free - Image Resizer Guide 2025
Resize images online for free. Step-by-step guide to change image dimensions, resize photos for social media, web, and email. Works with JPG, PNG, and more.
Why Resize Images?
Resizing images helps meet size requirements for websites, social media platforms, email attachments, and print materials. Proper sizing ensures faster loading and better presentation.
How to Resize Images Online
- Visit our free image resizer
- Upload your image
- Enter desired width and height (or use presets)
- Maintain aspect ratio (optional)
- Click "Resize Image"
- Download your resized image
Common Image Sizes
- Facebook: 1200x630px (cover), 1080x1080px (post)
- Instagram: 1080x1080px (square), 1080x1350px (portrait)
- Twitter: 1200x675px
- LinkedIn: 1200x627px
- Website: 1920x1080px (hero), 800x600px (thumbnail)
Tips for Best Results
- Maintain aspect ratio to avoid distortion
- Use high-quality originals for better results
- Resize before uploading to social media
- Compress after resizing for optimal file size