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Supports: Images (JPG, PNG, WebP, GIF)

Resize

Resize Image for Facebook — 820×312 px

Resize images to Facebook's 820×312 pixel dimension instantly. Free browser-based tool. No upload required.

✓ Free⚡ Instant🔒 No Upload
No. All resizing runs entirely in your browser using the Canvas API. Files never leave your device.
Settings
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How to Use

01
Upload your photo.
02
Tool auto-resizes to 820×312 px.
03
Choose Cover (crop-fill) or Contain (fit) mode.
04
Download your Facebook-ready image.
Quick Answer

Facebook Image Size 820×312: Resize images to Facebook's 820×312 pixel dimension instantly. Free browser-based tool. No upload required. Free, instant, no upload required.

Frequently Asked Questions

820×312 pixels is a standard Facebook image dimension used for optimal display quality across all devices.
Downscaling has minimal quality impact. For upscaling without quality loss, use the AI Upscaler tool.
Yes — works in Chrome, Safari, Firefox on all devices. No app needed.
Enable "Lock aspect ratio" before resizing to prevent stretching. This ensures width and height scale proportionally. For social media presets, Pixaroid automatically crops to fill the exact frame using Cover mode — you can switch to Contain mode to show the full image with letterboxing instead.
For standard web use, aim for images under 150KB and no wider than 1600px. Hero images can be up to 1920px wide. Use WebP format for the best quality-to-size ratio. Images above 1MB significantly slow page load speed and hurt SEO rankings.