A Quick Glossary of File Format Terms You’ll Actually Run Into
DPI, EXIF, lossless, vector — the same handful of terms come up across nearly every guide on this blog. Here they all are in one place, in plain language.
DocImageHub Team
Guides and updates from the team behind DocImageHub's free PDF and image tools.
All
Business & E-commerce
Compression & File Size
Editing & Cleanup
File Conversion
Image Tools
PDF Tools
Product Updates
Scanning & Digitization
Security & Privacy
Shipping Label Crop
Tips & Tutorials
Why Two "Free" Online Tools Give Different Results for the Same File
You compress the same PDF on two different sites and get two different file sizes and two different-looking results. Here is why, and how to think about it.
Scanning Receipts Before They Fade, for Tax Season
Thermal receipt paper fades faster than almost any other document you will keep. Here is how to digitize a year’s worth of receipts before they become unreadable.
How to Tell a Good Online Tool From a Risky One
You are about to upload a real document to a website you have never used before. Here are the concrete things worth checking first, in the time it takes to glance at a page.
Why Some PDFs Ask You to "Enable Content" Before Opening
A yellow warning bar asking you to enable macros, scripts or editing is one of the more alarming-looking prompts a document can show. Here is what it actually means and when to say no.
Preparing a Document Bundle for a Loan or Mortgage Application
A loan or mortgage application usually wants ten or more separate documents combined correctly. Here is a reliable checklist-driven approach instead of assembling it under pressure.
From Order to Shipping Label: A Small Seller’s Document Workflow
A single order touches several different document tasks before it ships. Here is how to chain them into one smooth, repeatable process instead of handling each one separately.
Preparing Product Photos for Meesho, Flipkart and Amazon Listings
Each marketplace has its own photo requirements, but the underlying workflow is the same. Here is a complete path from a raw photo to a listing-ready image.
Why a Background-Removed Image Must Be Saved as PNG, Not JPG
You cut the background out perfectly and it still shows up with a solid white box behind it once you use it. Here is exactly why, and how to actually keep the transparency.