Scan quality
Sharper, cleaner, straighter: lighting, steadiness, glare, folds and every other reason a scan disappoints — with the fix for each.
The 30-second perfect scan checklistSix checks before you tap the shutter that fix 95% of bad scans: background, light, angle, frame, focus, steadiness.
The best lighting for scanning documents (and the worst)Window light beats everything: how to position paper, phone and light so scans come out even, shadow-free and sharp.
How to get rid of shadows on scanned documentsPhone shadows, hand shadows, fold shadows: prevention at capture plus how ToPDF’s shadow-removal enhancement cleans the rest.
Why document scans come out blurry (and the fixes that work)Motion, focus, distance, dirt: the four causes of blur, how to tell them apart from one photo, and capture habits that end them.
Scan glossy IDs and laminated cards without glareLaminate turns lights into white blobs over faces and numbers. The tilt trick, light positioning and two-shot technique that beat reflections.
Scanning curled, rolled and folded pages flatReceipts that curl, letters folded in thirds, posters rolled for years: how to physically settle paper and shoot so the scan looks flat.
Scanning small text so it stays readableContracts’ fine print, medicine leaflets, ID microtext: filling the frame, focus discipline and when to scan a page in sections.
Scanning documents in low light (hotel rooms, evenings, archives)No window, weak lamps, no flash allowed: the bounce-light trick, steadiness math and settings that keep night scans usable.
Scanning wrinkled, stained or damaged documentsCrumpled letters, water-stained certificates, torn forms: capture strategies that keep damaged paper legible — honestly, without doctoring.
How to hold your phone steady for document photosThe cheap stability tricks — grips, bracing, breathing, makeshift stands — that remove motion blur from your scans forever.
Why scans look skewed — and how straightening actually worksPerspective vs rotation vs curl: the three kinds of “crooked”, which ones software fixes automatically, and how to help it.
Faint print? How scan enhancement lifts contrast (and its limits)Pale invoices, old photocopies, pencil notes: what adaptive contrast enhancement does to weak print, and capture tricks that give it more to work with.
Scanning dark paper, colored forms and inverted documentsBlack paper with white ink, deep-coloured certificates, tinted carbon copies: adjusting technique when the usual assumptions flip.
Fixing sideways and upside-down scans (and why they’re rare now)Automatic orientation reads the page before you see it; here’s what it does, when text-free pages fool it, and how one tap fixes stragglers.
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