PerspectiveFix Blog
Practical guides on document scanning, image correction, and keeping your files off other people's servers.
The Hidden Privacy Risks of Free Online Document Scanners
Every time you hit Upload on a free online tool, your file goes somewhere. Find out exactly where — and what gets done with it before you download your "fixed" image.
How to Fix Skewed Whiteboard Photos Without Photoshop
Shot from the corner of the room, now it's a trapezoid. Here's how to fix it in under 60 seconds — no software, no account, no Photoshop.
Why Your Phone Scans Look Distorted (And How to Fix It)
You held the phone straight. The document was flat. Still looks warped. Here's what's happening inside your phone's lens — and the fix that actually works.
Client-Side vs. Server-Side Image Processing: A Privacy Guide
Client-side vs. server-side isn't just a technical concept — it determines whether your file stays on your device or gets copied to a stranger's server. Here's how to tell the difference.
Digitizing Old Family Photos: The Best Way to Remove Glare and Tilt
Glossy prints reflect light. Shooting at an angle kills the glare but warps the geometry. This two-step fix handles both — no flatbed scanner needed.
The Fastest Way to Straighten Crooked Receipt Photos for Expenses
Expense report due Friday, receipts all tilted. Here's how to fix a stack of them in minutes — no app, no server upload, and your files stay private.
Convert a Tilted Document Photo Into a Flat, Scanned-Looking PDF
Skewed photo in, crooked PDF out — that's what converter tools give you. Fix the perspective first, then export. Here's the right order of operations.
How to Remove Barrel Distortion From Phone Document Scans
Shot straight down, document was flat — still looks curved. That's barrel distortion from your phone's lens. Here's what's causing it and how to fix it.
How to Straighten a Document Photo for Legal Filing or Official Use
A tilted contract photo doesn't just look bad — it creates doubt. Here's how to fix the geometry cleanly, with no server upload and no quality loss.
How to Scan Documents With Your Phone Without Any App
No scanner app, no cloud sync, no account. Take a regular photo, fix the perspective in a browser tab, download a clean PDF. Done.