Resize for Facebook without guessing dimensions
The preset is locked to 1640x924, so your image exports in the right ratio for Facebook.
Facebook
Free Facebook Cover Resizer
Upload an image, preview the Facebook crop at 1640x924, then download a platform-ready WebP, JPG, or PNG file.
Drop JPG, PNG, or WebP images here
Batch up to 10 images. Processing stays in your browser.Your optimized images will appear here
Upload images, choose a social preset, then optimize to preview before and after.
Private browser-based processing
Crop, compress, and convert locally in your browser. Your source images are not uploaded to a server.
Facebook Cover Resizer FAQ
Are my images uploaded to 99box.app?
No. Image optimization runs in your browser, so selected files stay on your device.
Which social media sizes are supported?
The first version includes YouTube, TikTok/Reels/Shorts, Facebook, Instagram, X/Twitter, and website presets.
Can I download all optimized images at once?
Yes. Download a single optimized image or export multiple results as one ZIP file.