400×600 px Photo

The 400x600 pixel photo is a portrait-oriented, pixel-defined format used by online systems that need a slightly taller image than the small square or compact sizes. At 300 dpi the file measures 33.87 by 50.8 millimetres, which is about 1.33 by 2.0 inches. The defining requirement is the pixel count: the finished image must be exactly 400 pixels wide and 600 pixels tall, with the face scaled correctly within that taller frame.

Below we set out the full specification, explain how the head and eye line should sit, and describe how our service turns an ordinary photo into a compliant 400x600 file so you do not have to measure pixels or fight with a wall yourself. Getting it right the first time saves a frustrating cycle of re-uploads, and the steps are simpler than they look once the rules are clear.

What this photo is for

This size is typically requested by digital application forms, verification portals and electronic records that store a portrait in a 2:3 ratio. The taller shape gives a little more room above the head and below the shoulders, which some systems prefer for clarity. As with most pixel-based formats, an automated checker usually inspects the upload, so the dimensions, file type and head position all have to be right before the system accepts it.

Exact specification

Build the portrait to these measurements. The head height should be approximately 38 millimetres, equal to roughly 55 to 75 percent of the image height, measured from the chin to the crown of the head. The background must be a plain, even white field with no shadow or texture. Keep a neutral expression, mouth closed, with both eyes open and directed at the lens.

• Output size: exactly 400 x 600 pixels at 300 dpi (33.87 x 50.8 mm, about 1.33 x 2.0 in)
• Head height: around 38 mm, roughly 55-75 percent of the frame
• Background: solid white, evenly lit, free of shadows
• Expression: neutral, no smile, eyes open
• Glasses: allowed if the eyes stay visible with no glare
• Headwear: not permitted
• File: JPG up to 2 MB

Glasses, head covering and expression

Everyday prescription glasses are acceptable in the 400x600 format. The lenses must be clear, free of reflections, and must not obscure the eyes; thick frames that sit over the eyes are a frequent cause of rejection. If your glasses reflect the light, lower the light source or tip your chin a fraction to clear the glare. Sunglasses and tinted lenses are not allowed. Hats and other head coverings are not permitted in this format, so the hairline and the top of the head should be plainly visible against the white background.

Common rejection reasons

The most frequent problems are simple to describe. The uploaded file is not exactly 400 by 600 pixels, so the portal resizes it badly or refuses it. The head is positioned too high and the crown is cut off, or too low so the eye line falls into the bottom half of the frame. The background photographs grey, blue or uneven because it was shot against a painted wall. A shadow appears behind one shoulder. The subject is smiling, squinting or wearing glasses that catch the light. Knowing these in advance makes them easy to prevent.

How we prepare your photo

You do not need studio equipment to meet this standard. Upload a clear, front-facing portrait and our service does the rest. We separate the subject from whatever was behind them and lay in a uniform white background, then resize and align the face so the head height and eyes fall inside the 55-75 percent band the format expects. The image is exported as a 400 by 600 pixel JPG at 300 dpi and compressed to stay under the 2 MB ceiling while keeping skin tones natural and edges crisp. The file you receive already satisfies the dimensional rules.

Print and digital

The 400x600 format is primarily a digital deliverable, designed to be uploaded directly to the system that requested it. Because the file is built at a genuine 300 dpi it also prints cleanly if you ever need a hard copy at its native size. Most people simply keep the JPG and reuse it whenever a service asks for a 400x600 portrait, since one correctly produced file will pass the same automated check every time.