Guides & articles
What to check when a new version of a contract arrives, how word processors record edits, and what a PDF really contains. Written by the team behind the tool.
Comparing contract versions: what to look for beyond the obvious edits
The dangerous edits in a contract are rarely the ones in the covering email. Here is the checklist a reviewer runs through when a new version lands.
5 min readUpdated July 2026
Track Changes vs an independent diff: why you should verify redlines yourself
Revision marks show what someone chose to show you. Comparing the two files compares what is actually in them — and the two answers are not always the same.
5 min readUpdated September 2026
Why PDF text extraction is imperfect: columns, ligatures, scanned pages and hyphenation
A PDF does not contain paragraphs. It contains instructions for placing glyphs on a page — and everything a comparison tool knows about your text is reconstructed from them.
6 min readUpdated June 2026
