Telegram image sizes
Profile photo
1:1640×640
Displayed circular. Square upload recommended.
Verified July 20, 2026
Channel / group photo
1:1640×640
Same framing as profile photos.
Verified July 20, 2026
Link preview image
40:211200×630
≈1.91:1. Used for Instant View / link cards.
Verified July 20, 2026