SupUser PDF Guides
Browse practical document tutorials.
ARTICLE
Turn Multiple JPG and PNG Images Into One PDF
A practical guide to organizing photos or scans into a clean multi-page document.
ARTICLEPDF Page Numbering: Practical Tips for Reports
Learn where to place page numbers and how to keep references useful in multi-page documents.
ARTICLEPDF Watermarks: What They Can and Cannot Do
Understand how visible document labels work and why a watermark is not a security control.
ARTICLEHow to Combine PDF Files Without Losing Page Order
Learn a repeatable workflow for joining documents, checking their order, and reviewing the exported result.
ARTICLESplit vs. Extract PDF Pages: Which Should You Use?
Understand when to divide a PDF into sections and when to create one selected-page file.
ARTICLEHow to Fix a Sideways PDF Scan
See why scanned pages rotate incorrectly and how to correct their orientation before sharing.