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Facebook
Facebook 4:5 · 1200×1500

Post (Portrait)

Resize any image to 1200×1500 pixels (4:5 aspect ratio) in your browser — no upload, no login, no paywall. Pure white background by default, ready for Post (Portrait) spec compliance.

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Spec details

Output size
1200×1500
Aspect ratio
4:5
Max file size
30 MB
Formats
JPEG, PNG
lossless

💡 For best results, start with an image at least as wide as the target size. Upscaling small images can introduce blur.

Facebook portrait post image size: the 2026 spec

Getting Facebook portrait post image dimensions right matters for both reach and visual quality. This guide covers the official 1200×1500 pixel specification, format requirements, and common pitfalls when preparing images for Facebook portrait post.

Why 1200×1500 pixels

The 1200×1500 standard is Facebook portrait post's recommended upload dimension. Files smaller than this are auto-upscaled and render blurry on high-DPI screens; files larger are downscaled by Facebook portrait post's CDN. The aspect ratio is 4:5.

Specification breakdown

The "safe area" inside the frame

Crop the central content of your image to the central 80% of the frame, with extra care around bottom 30% for caption overlays. Facebook portrait post may crop or overlay UI elements near the edges, so critical content should stay well within the safe zone.

Common mistakes

Frequently asked questions

Portrait vs square engagement? Portrait (4:5) takes more screen real estate and gets slightly higher engagement.

How imgsize.cc handles it

Drop your source image into the workbench above. The crop box defaults to the 4:5 aspect ratio that matches Facebook portrait post's spec. Resize, crop, and download as a 1200×1500 pixel PNG — all in your browser, no upload required.