See Every Earlier Version Saved Inside a PDF STRATA
When a PDF is saved by appending, every earlier version stays inside it. This digs each one out, shows the pages side by side, and reports what changed between them.
The PDF
It is read in this tab and never leaves it.
Drop the PDF here
or choose it
The versions inside it
Each one can be saved as a PDF of its own.
The pages, side by side
Pick a page to see every version of it, with what changed between each pair marked in red.
Questions people ask about STRATA