Most people don't own a scanner anymore, and most forms don't require one — a phone photo of a document, done reasonably well, is accepted almost everywhere a "scan" is requested. The gap between a phone photo that looks unprofessional (glare, skewed angle, a visible desk in the background) and one that looks like a genuine scan comes down to a handful of habits, not equipment.
Lighting matters more than camera quality
Uneven lighting is the single biggest giveaway that a document was photographed rather than scanned — a shadow across one corner, a bright glare spot from an overhead light reflecting off glossy paper. Natural, indirect daylight from a window is usually the best light source; avoid taking the photo directly under a ceiling light, which tends to create a hot spot of glare right in the middle of the page.
Shoot straight on, not at an angle
Position the camera directly above the document, parallel to the page, rather than at a tilted angle. An angled shot distorts the page into a trapezoid shape and makes text near the edges harder to read — and unlike a flatbed scanner, a phone camera won't auto-correct that for you unless you use a dedicated scanning app with edge detection.
Fill the frame, keep the background out
Get close enough that the document fills most of the frame, with a small margin of background around the edges rather than half a desk visible. This also means you're not wasting resolution capturing background you'll crop out anyway — capture the document, not the room it's sitting in.
Grayscale beats color for plain text
If the document is just black text on white paper — a form, a letter, most official paperwork — a grayscale or black-and-white capture looks cleaner and compresses to a much smaller file than the same image kept in color, since color photography captures far more data than a two-tone page actually contains. Many phone camera apps have a document mode or filter that does this conversion automatically; if not, converting after the fact works just as well.
You don't need the full camera resolution
A modern phone camera captures more detail than a document photo needs, and that extra resolution is exactly what makes phone-scanned PDFs balloon to several megabytes per page for no visual benefit — a problem covered in more detail in why JPG-to-PDF files get huge. Once you've taken the photo, downscaling it to a sensible size before combining it into a PDF keeps the file small without any visible loss in legibility.
A simple end-to-end workflow
- Photograph each page: good light, straight-on angle, filling the frame.
- If the document is plain text, convert to grayscale (many camera apps offer this natively).
- Combine the pages into a single PDF — the Images to PDF tool here automatically resizes and compresses each photo to a print-appropriate size as it builds the file, so you don't need a separate compression step afterward.