Headshot Size: One Master File Beats Every Spec Table
Headshot size and dimensions explained: keep one 2400x3000 master, derive every platform crop from it, and never think about DPI again.
Every guide to headshot size hands you a spec table: LinkedIn wants this many pixels, print wants that many, twelve rows deep. Accurate, and it quietly creates the problem it claims to solve, because people crop a version for today's platform, lose the original, and then next month's platform needs pixels they threw away.
You don't need to memorize a table. You need one rule: keep a single high-resolution master and derive everything from it, in one direction only. Here's the whole system, plus the two specs worth knowing by heart.
The master file rule
Keep your headshot as one vertical 4:5 file at 2400x3000 pixels or larger. That's the industry's standard print-ready size (it produces an 8x10 at full quality) and, more usefully, it's the shape every other format can be cut from.
The one-direction principle: a tall 4:5 file crops down to a square, and a square crops down to nothing else. You can never go back up. Every "my photo is too small for this" problem is someone who saved the 400-pixel LinkedIn crop as their only copy. Store the master somewhere permanent, export copies for platforms, and never edit the master itself.
From that one file you derive the only other version most people ever need: a square 1:1 export, 1000 to 1200 pixels wide, face centered. That covers LinkedIn, Slack, Zoom, X, email signatures, and nearly every profile system on the internet, because they all take a square and most display a circle cut from it. What belongs inside that circle is its own topic; the LinkedIn headshot guide covers it.
The two numbers worth memorizing
2400x3000 (4:5) for the master and anything printed. 1000x1000 (1:1) for the square export. Everything else in the spec tables is a variation a platform will accept anyway, since files above the minimum get scaled by the platform automatically.
The minimums exist, for reference: LinkedIn accepts down to 400x400, X wants 400x400, most CMS team grids run 200 to 400 pixels wide. But uploading exactly the minimum is backwards thinking. Platforms compress whatever you give them; feeding them roughly double the display size is what keeps a photo sharp after their compression, which is why 1000-pixel squares consistently look crisper on LinkedIn than 400-pixel ones.
What DPI actually means (and when it's meaningless)
Spec tables love "300 DPI," and it confuses everyone, so here's the mechanism. A digital file has no DPI; it has pixels. DPI (dots per inch) only becomes real when those pixels meet paper. The same 2400x3000 file printed at 8x10 inches lands at 300 dots per inch (2400 divided by 8), which is full photographic print quality. Printed poster-size, the same file spreads thinner and softens.
So when a form demands "300 DPI," it's asking one thing: enough pixels for the physical size being printed. Multiply the print inches by 300 and check your file has that many pixels. An 8x10 needs 2400x3000. A 2x2 resume photo needs 600x600. That's the entire mystery.
For screens, DPI means nothing at all. A website displays your 1000-pixel square at whatever size its layout says, and no DPI setting in the file changes it.
The circle crop: composition, not just size
Since LinkedIn, Slack, Zoom, and X all display profile photos as circles, the corners of your square are decorative. Two composition rules follow:
- Keep everything that matters in the center 75 percent. Hair that touches the frame edge gets clipped by the circle; a chin near the bottom edge gets rounded off.
- Head height around 60 percent of the frame. Tighter than that and the circle amputates; looser and your face shrinks below recognition at the 48-pixel comment-thread size, which is where most people actually see your photo. The how to take a headshot guide covers framing while you shoot so the crop room exists in the first place.
The failure mode that produces most bad profile photos isn't resolution at all; it's a well-sized file with the face positioned for a square that then displays as a circle.
Three mistakes that ruin a correctly-sized headshot
- Upscaling a small file. Stretching 400 pixels to 1200 adds size, not detail; it produces the soft, slightly melted look you've seen on team pages. If the original is small, the fix is a new photo, not a bigger export. A generator can produce a fresh high-resolution file from selfies in minutes (headshot.ltd outputs at full quality from $8) if reshooting isn't practical.
- Screenshotting instead of exporting. A screenshot of your photo captures your screen's resolution, not the file's, and inherits whatever compression the app on screen applied. Always work from the actual file.
- Re-saving JPGs repeatedly. Each save re-compresses. Crop from the master once per platform, and when a new platform appears, return to the master, not to last year's export.
Next step: find the largest version of your current headshot, check its pixel dimensions, and if it's under about 1600 pixels tall, treat your next headshot (shot or generated) as the chance to establish a proper master file.
FAQ
What size should a headshot be for LinkedIn?
Upload a square between 800x800 and 1200x1200 pixels; LinkedIn's floor is 400x400 and its file limit is 8 MB. The bigger-than-minimum upload survives LinkedIn's compression visibly better. Center the face, since the photo displays as a circle nearly everywhere on the platform.
What is the standard headshot size for actors?
An 8x10 inch print at 4:5 ratio, which means a 2400x3000 pixel file at 300 DPI. Casting platforms have their own digital minimums (Actors Access takes 600x900, Casting Networks 600x750), and all of them cut cleanly from the same 2400x3000 master.
What aspect ratio is best for headshots?
Shoot and store in 4:5 vertical. It's the print standard, the casting standard, and the shape that derives a clean square for profile platforms. Storing your only copy as a square is the common mistake; it closes the door on print and bio-page uses.
How many pixels does a printed headshot need?
Print inches times 300, per side. An 8x10 needs 2400x3000 pixels; a 5x7 needs 1500x2100; a 2x2 passport-style square needs 600x600. Below those counts, prints soften noticeably at reading distance.
Why does my headshot look blurry on my company's website?
Usually one of three causes: the CMS displays at 2x on retina screens and got a file sized for 1x (send double the display width), someone uploaded a screenshot or a re-saved copy instead of the original export, or the template cropped a differently-shaped file automatically. Ask the web team for the template's exact crop and cut it from your master yourself.