X (Twitter) profile picture size
400 × 400px
Aspect ratio
1:1
X profile photos are 400 × 400 px (max 2 MB), shown as a circle beside every post and reply you publish.
Last verified June 2026
X’s recommended profile photo is a 400 × 400 px square, up to 2 MB, displayed in a circular crop. No asset on X works harder: the timeline is a wall of conversations, and your avatar is the only visual identifier attached to every post, reply, and quote you make. People recognize the circle long before they read the display name — which is why established accounts treat changing it as a significant event, and why a low-contrast or cluttered avatar quietly costs engagement in fast-moving threads.
| Variant | Dimensions | Ratio |
|---|---|---|
| Recommended upload | 400 × 400 pxMaximum 2 MB; JPG or PNG. | 1:1 |
| Timeline rendering | ~48 px circleThe size most people see most of the time. | 1:1 |
| Visible area | central circleCorners of the square are cropped by the circular mask. | — |
The circular mask trims the corners, and the dominant rendering is the ~48 px circle beside timeline posts — smaller still in dense reply threads. Center the subject with about 15% padding on all sides and optimize for instant recognition at that scale: one face or one bold mark, strong color contrast, no fine detail. X’s UI is shown in dark mode by a large share of users, so check the avatar against both light and dark backgrounds before committing.
Scroll any active thread: avatars render tiny and tightly packed. A close-cropped face with a distinct background color, or a simple high-contrast logo mark, is what survives. Detailed illustrations, full-body photos, and wide wordmarks all blur into the noise. The 40-px squint test is the only review that matters here.
On X more than anywhere, the avatar is identity — followers skim the timeline by circle shape and color, not by name. Changing it frequently resets that recognition and measurably drops reply engagement for a while. Settle on a mark, and if you must update it, keep the silhouette and palette continuous.
X rewards accounts that feel like a consistent voice. A personal face suits founder-led and commentary accounts; a tight logo mark suits product and brand accounts. Whichever you choose, use the same image across platforms so people who find you on X recognize you on LinkedIn or YouTube — cross-platform recognition compounds.
400 × 400 px square, up to 2 MB, displayed as a circle. It renders at roughly 48 px in the timeline, so legibility at small sizes is the design priority.
Usually a source below 400 × 400 px, an over-compressed JPG, or heavy zoom in the crop editor. Re-export a clean 400 × 400 (or larger) square under 2 MB and re-upload.
Faces tend to win for personal and founder accounts — replies feel like talking to a person. Brand accounts do fine with a bold icon mark. Either way, it must read in a ~48 px circle against light and dark mode.
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