The cover is 851×315 on desktop but phones display a 640×360 slice, which cuts the left and right edges and shows a little more height. Keep text and logos inside the centre, roughly 560 px wide and the full height, so they survive both crops. Drag the preview above to position the important area.
Facebook · Cover
Facebook cover photo size: 851×315 at under 100 KB
Facebook's own help page says a sRGB JPG at 851×315 under 100 KB loads fastest and skips their recompression. This preset produces exactly that file.
Drop photos here or tap to choose
JPG, PNG, WebP, HEIC (iPhone), RAW · up to 80 MB each
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Your photos
0 uploads. Your photos never leave this device, and the tool keeps working with Wi-Fi off.Check the Network tab in your browser: no image requests, ever. Tip: paste a photo with Ctrl+V / ⌘V.
- Pixels
- 851×315
- Displayed desktop
- 820×312
- Displayed mobile
- 640×360
- File
- Under 100 KB
- Minimum
- 399×150
Desktop and mobile show different crops
Why 100 KB
Facebook's help page for Page covers recommends a JPG under 100 KB at 851×315 and notes that images with logos or text look best as PNG. Our test agrees for photos: the 100 KB JPG is served as uploaded, while larger files get a second encode. This preset finds the best quality under 100 KB automatically.
Questions people ask
What size is a Facebook cover photo?
851×315 pixels for Pages and profiles, shown as 820×312 on desktop and 640×360 on phones.
Why does my cover look blurry?
The upload was resized or recompressed. Export exactly 851×315 as a JPG under 100 KB, which Facebook says is displayed without additional compression.
Should the cover be PNG or JPG?
JPG for photos, kept under 100 KB. PNG for flat graphics with text or logos.
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This page uses the same private tool as the homepage; only the preset changes.
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IGCOMPRESSOR is an independent tool and is not affiliated with Instagram, Meta, WhatsApp, YouTube, or any other platform mentioned.