Image Resizer
Resize images to any dimension
100% free. Runs entirely in your browser - your files and data never leave your device and nothing is uploaded to any server.
FB Cover selected — upload an image to apply it.
Drag & drop files here
or browse to upload
Supports PNG, JPG, WebP up to 20MB
Processed in your browser - your file never leaves this device.
About this tool
A Facebook cover photo is a wide banner whose visible area changes between desktop and phone: desktop shows a wider slice, mobile shows a taller, narrower one, and your profile picture overlaps the lower left on personal profiles. 820 by 312 is the classic desktop display size; larger uploads stay sharper on high-density screens. The preset crops to that wide desktop frame; mobile shows a narrower slice, so treat the edges as decoration and keep the subject in the centre.
How to use this tool
- Pick a wide imageLandscapes, team photos or a simple branded banner suit the wide frame.
- Keep the middle clearPosition the subject in the centre, away from the lower left where a profile picture can overlap.
- Upload and check on a phoneDownload, set it as the cover and check the mobile crop.
Designing a cover that works on phones and desktop
Keep text and key imagery in the centre and away from the bottom-left, where the profile picture sits. Expect mobile to trim the left and right edges. Uploading at twice the display size (for example 1640 x 624) gives sharper results on Retina screens, and a PNG keeps logos and text crisper than a heavily compressed JPG.
Key features
- Covers for Facebook Pages, profiles and events.
- Framed so the important part survives both desktop and mobile crops.
Common uses
- Facebook Page branding.
- Event and campaign covers.
- Personal profile covers.
Tips for better results
- Keep text centred.
- Upload at double size for sharpness.
- Use PNG for text-heavy covers.
Mistakes to avoid
- Text at the edges that disappears on mobile.
- Content under the profile picture.
Frequently asked questions
It displays at about 820 x 312 on desktop; many people upload at double size for sharpness.
Mobile shows a narrower crop - keep important content in the centre.
PNG often looks sharper for text and logos.
Facebook shows a wider crop on desktop than on mobile, so the edges of this frame are effectively decoration rather than content.
Drop it onto this page. The Facebook Cover preset is already selected, so it resizes straight to 820 x 312 pixels and shows the crop before you download.