kogo
Runs on the public kogo demo

FOR RESEARCH & WRITING

Revision changes,
at a glance.

Accounting for columns, line wrapping, and page breaks, kogo finds added text, deleted text, and figure or equation changes on every page.

Added Deleted Figures & layout Style

STEP 01

Choose two PDFs

LOCAL
OLDOld version PDF
NEWNew version PDF
Detection settings Usually no changes needed

This is a public demo. Your PDFs are processed on this server and deleted immediately after your results are generated — nothing is stored or shared. Demo limits: 5 MB per file, 20 pages, and a few comparisons per visitor per 10 minutes.