Resize images for Facebook
Resize images for Facebook — including the 820×312 cover — with presets that keep everything crisp. All resizing happens in your browser.
Privacy-first: every image is processed locally in your browser. Nothing is uploaded, stored or transmitted to any server.
Facebook’s awkward cover math
Facebook covers render around 820×312 on desktop but get cropped to a narrower slice on mobile — the edges disappear and only the central area survives on every device. Resize to the exact 820×312 canvas and keep faces, logos and text near the middle, and the cover works everywhere.
Posts and link previews
For shared links and post images, 1200×630 is the sweet spot — it doubles as the standard Open Graph size, so the same file works for Facebook posts and link previews across the whole web. The Fill/Fit preview shows exactly how your photo maps into either target before you download, all processed in your browser.
Frequently asked questions
- Does resizing happen on a server?
- No. Images are resized in your browser with high-quality step-down scaling for crisp results. Nothing is uploaded.
- Will resizing keep the aspect ratio?
- Yes by default. Enable “maintain aspect ratio” to fit within your target box without distortion, or turn it off to force an exact width and height.
- Are there presets for social media?
- Yes. There are presets for Instagram, Facebook, X/Twitter, YouTube and LinkedIn, plus common web, avatar and thumbnail sizes.
- Can I enlarge images?
- Yes, though enlarging cannot add detail that is not there. Downscaling produces the sharpest results.
- Can I resize images in bulk?
- Yes. Resize many images at once and download them together as a ZIP.