Scanning tips
Short, practical guides to getting clean scans from a phone camera — and to the small decisions around them: formats, lighting, privacy, multi-page workflows.
How to scan documents with your phone (no app needed)Turn your phone camera into a document scanner: how to shoot, straighten and save paperwork as PDF using only your browser.How to convert photos to PDF for freeMerge one or many document photos into a clean, straightened PDF in your browser — no app, no watermark, no upload.How to scan receipts before they fadeThermal receipts fade in months. How to digitize receipts quickly for expenses, taxes and warranties — and actually find them later.How to scan a book or many pages quicklyA practical workflow for digitizing textbooks, notes and manuals page by page — and merging everything into one PDF.How to photograph documents without shadowsWhy your document photos have a dark stripe across them, and five ways to shoot shadow-free — plus what enhancement can and cannot fix.JPG, PNG or PDF: which format for scanned documents?A practical guide to choosing the right file format for scans — size, quality, multi-page support and where each one belongs.Are online document scanners safe? What to checkUploading a contract to a random website is a real risk. How browser-side processing differs, and the questions to ask before you scan.What is perspective correction? (And why scans look flat)The geometry behind turning a tilted photo of a page into a flat scan: homography, corner detection and where it breaks down.How to extract text from a photo or scan (free OCR)Turn pictures of text into editable text with OCR, right in your browser — what OCR is, how to get accurate results, and its limits.How to turn a scanned table into an Excel spreadsheetFrom a photo of a price list, statement or report to editable Excel rows — how table OCR works and how to clean up the result fast.How long to keep documents — and which ones to scanA practical retention guide for household paperwork: what to keep for years, what to scan and shred, and what to never throw away.How to organize scanned documents so you can find themA folder structure and naming convention that actually survives daily life — plus how OCR makes old scans searchable.How to make scan files smaller (without ruining them)Why scans balloon to megabytes, which settings actually shrink them, and how far you can compress before text suffers.Scanning IDs and sensitive documents safelyWhen someone asks for a copy of your ID or a personal document: how to scan it, what to mask, and how to share it with less risk.How to "scan and submit" a form without a scannerPrint, sign, scan, send — the complete home workflow for submitting signed forms when you own no printer or scanner.