How to track text changes between two pdf document drafts
- Step 1Upload draft version n — Drop the earlier draft into the diff tool.
- Step 2Upload draft version n+1 — Drop the later draft alongside.
- Step 3Review the tracked changes — Step through all additions and deletions between the drafts.
- Step 4Produce a change log — Export the diff report as a change log for the document's review history.
Frequently asked questions
Can I compare drafts that were written by different authors?+
Yes — the diff compares the text content of the two PDFs regardless of authorship.
Is the diff report suitable as audit evidence of document changes?+
A PDF diff report provides evidence of text differences. For formal audit trails, use a document management system with built-in version control and audit logging.
What if the two drafts have different page counts?+
Added or removed pages are shown as additions or deletions of all text on those pages in the diff output.
Privacy first
All PDF processing runs locally in your browser using PDF-lib and pdf.js. No file is ever uploaded — only metadata counters are saved for signed-in dashboard stats.