Name: ImageSmith
Rating: 4.9 (1247 reviews)
Author: ImageSmith

Question 1

What is the ideal file size for a HEIC image at 820×312?

Accepted Answer

For 820×312 HEIC images, target under 200KB for web use, under 100KB for email, and under 500KB for high-quality photography. ImageSmith optimizes to any target size automatically.

Question 2

What is 820×312 (Facebook Cover) used for?

Accepted Answer

Facebook profile cover photo dimensions for optimal display across both desktop and mobile Facebook layouts. Common use cases: Facebook cover photos, profile page headers, brand cover images.

Question 3

How do I compress a HEIC image for 820×312 displays?

Accepted Answer

Upload your HEIC image to ImageSmith, set a target file size (e.g., 200KB for web use), and compress. The tool optimizes quality settings to deliver the best possible image at your target size.

Question 4

What format is best alongside HEIC for 820×312 images?

Accepted Answer

HEIC provides excellent lossy compression at 820×312. WebP is also a strong alternative — 25–35% smaller than JPEG at equivalent visual quality.

Resize HEIC Images to 820×312 (Facebook Cover)

Other HEIC Resize Sizes

Resize HEIC to 820×312 — FAQ