Export at 800 square
YouTube shows the avatar at 98 pixels but stores a larger file. Upload at 800 x 800 or bigger with the head already centred, or the desktop profile looks soft next to everyone else.
Get a channel avatar built for a circle, with the head placed, the tone separated and the identity left readable at 98 pixels.

Prompt Guide
Model
Reference Image

Every avatar is read in a fraction of a second, from three layers of the same frame — geometry, tone, and the few features that carry identity.
The circle keeps the middle and eats the corners. Put the eye line just above centre and let the head fill about 65 percent of the diameter: wider loses the jaw, tighter cuts the hairline.
Read the frame as three tones — skin, hair, background. When two of them match, the head merges into the wall. Pull any two apart by roughly one stop and the silhouette survives compression.
At 98 pixels the eye still keeps eyes, hairline, glasses frames and a beard line. Every finer mark is gone, so spend the detail budget on those and leave earrings and fabric pattern plain.
Ten avatars across studios, desks, streets and plain walls.
StudioPresenter portrait in a studio, warm key light, soft grey backdrop, centred square, real photograph, shot on a 85mm lens at f2, natural directional light, true skin and material texture, clean detail, no text, no watermark, no logo, no illustration, no 3d render
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GamingCreator at a gaming desk, magenta and blue glow, headset on, monitor light on the face, real photograph, shot on a 85mm lens at f2, natural directional light, true skin and material texture, clean detail, no text, no watermark, no logo, no illustration, no 3d render
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OutdoorPortrait on a city street at golden hour, blurred crossing behind, warm rim light, real photograph, shot on a 50mm lens at f2, natural directional light, true skin and material texture, clean detail, no text, no watermark, no logo, no illustration, no 3d render
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MinimalPortrait against a charcoal wall, one softbox from the right, plain shirt, strong contrast, real photograph, shot on a 85mm lens at f2, natural directional light, true skin and material texture, clean detail, no text, no watermark, no logo, no illustration, no 3d render
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MinimalCreator with a mug in a kitchen, morning window light, plants softly out of focus, real photograph, shot on a 50mm lens at f2, natural directional light, true skin and material texture, clean detail, no text, no watermark, no logo, no illustration, no 3d render
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MinimalPortrait in a wood workshop, dust in the light, tool board blurred behind, real photograph, shot on a 35mm lens at f2, natural directional light, true skin and material texture, clean detail, no text, no watermark, no logo, no illustration, no 3d render
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MinimalHost beside a podcast microphone, dark room, warm practical light, shallow depth, real photograph, shot on a 85mm lens at f2, natural directional light, true skin and material texture, clean detail, no text, no watermark, no logo, no illustration, no 3d render
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MinimalPortrait on a coastal path, wind in the hair, sea and cliff blurred behind, overcast light, real photograph, shot on a 50mm lens at f2, natural directional light, true skin and material texture, clean detail, no text, no watermark, no logo, no illustration, no 3d render
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MinimalPortrait in front of a full bookcase, warm lamp light, reading glasses, calm expression, real photograph, shot on a 85mm lens at f2, natural directional light, true skin and material texture, clean detail, no text, no watermark, no logo, no illustration, no 3d render
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MinimalClean portrait on a white sweep, even key light, plain dark shirt, tight square crop, real photograph, shot on a 85mm lens at f2, natural directional light, true skin and material texture, clean detail, no text, no watermark, no logo, no illustration, no 3d render
Try This PromptA good frame can still fail on the platform. These are the six things worth testing first.
YouTube shows the avatar at 98 pixels but stores a larger file. Upload at 800 x 800 or bigger with the head already centred, or the desktop profile looks soft next to everyone else.
PNG or JPG both work; keep the file under 4 MB. A 4000-pixel export at low quality turns skin into blocks, so 1200 pixels at quality 85 is the safer trade.
Preview with a round mask before you upload. Everything in the corners disappears, so hair, ears and collarbones all have to sit inside that circle.
Half of YouTube is dark. Switch the interface and look again: a pale face on a pale wall vanishes, and that is the moment to regenerate with a rim light.
Set the preview to thumbnail size and step back. If you cannot tell who it is, the face is filling too little of the frame and the composition needs another pass.
Any lettering becomes mud once the image is cropped round. Leave the avatar clean and put the channel name in the banner, where it stays readable.
My old avatar was a holiday photo where my face was a smudge in comments. The dark-wall version has a rim light on the hair and I can finally see myself at small sizes.
I record in a spare room with bad overhead light, so I described a podcast setup instead. The result looks like my channel rather than a stock presenter, and the mic being out of focus sells it.
The circle-crop note is the one nobody tells you. My first three had my shoulders cut off at the ears; once I asked for space above the hair, the avatar stopped looking cropped by accident.
Generate square, at least 800 by 800 pixels, and keep the head inside the middle 80 percent. YouTube crops it to a circle and shows it as small as 98 pixels, so tight framing matters more than resolution.
Yes, with a reference photo of your face. Upload one evenly lit shot, then adjust hair and jaw by hand, since small differences are what make an avatar feel like you rather than a lookalike.
The background and hair are the same value. Add a rim light or lift the background a stop, and keep a clear edge around the head and shoulders.
You can test prompts on the free allowance shown in the model picker. Higher-resolution exports and repeat batches are paid, with the price visible before you generate.
Yes. Keep the face invented or based on a photo you have the right to use, avoid celebrity likenesses and any baked-in brand marks, and the avatar is yours to use on the channel.