MULTI-PDF COMPARISON
Compare multiple PDFs
Upload 3 to 24 PDFs and see how values and terms changed from one version to the next, with a whole-series gist and source references.
Compare 2 PDFsDirect OLD → NEW comparison with detailed changes.
Compare multiple PDFsTimeline, trends, repeated changes and whole-series insights.
Choose 3 or more files to build a timeline comparison.
Private by design. Source files are read and compared in this browser. Multi-file analysis does not upload the original files to Change Lens.
Tip: file order matters. Auto-sort uses filename/date clues, but you can move individual files up or down before analysis.