Instagram source-checked spec
Instagram Portrait feed post image size
Use a 4:5 portrait crop for feed posts when you want more vertical space while keeping the subject centered.
1080x13504:5reviewed 2026-06-29verified false
Source and note
Source: Meta image ads guidance. Reviewed 2026-06-29.
Meta placement guidance changes frequently and does not provide an effective date for this public page.
Platform image specs are compiled from official sources and source-checked by image cat. Platform rules can change, account types can differ, and acceptance is never guaranteed. If an official page does not state an effective date, effectiveDate is set to unknown and verified remains false.