Bluesky Profile Picture Size (2026)
Upload a 1000×1000 px square (1:1). Bluesky displays it as a circle — center your subject. Minimum 400×400.
| Placement | Pixels | Ratio | |
|---|---|---|---|
| Upload (best) — 1:1 Stays sharp from thumbnail to full view |
1000×1000 | 1:1 | |
| Minimum upload Smaller looks soft in threads |
400×400 | 1:1 | |
| Display Shown as a circle across the app |
circle | 1:1 |
Upload 1000×1000 for every size
Bluesky shows your avatar tiny in threads and larger when tapped, so uploading a big 1000×1000 px square keeps it crisp at every size. The floor that still renders is 400×400, but smaller uploads look soft.
Center your subject — it is a circle
Bluesky crops the avatar to a circle, so the corners of your square are cut off. Center your face or logo and leave padding around the edges.
Format
Use JPG or PNG, around 1 MB or smaller.
FAQ
What is the best Bluesky profile picture size in 2026?
Upload a 1000×1000 px square (1:1). It stays sharp from tiny thread thumbnails up to the full tapped view.
What is the minimum Bluesky avatar size?
400×400 px. Smaller uploads render but look soft.
Is the Bluesky profile picture a circle?
Yes. You upload a square but Bluesky displays it in a circle, so keep the subject centered.