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pdf-lib & Canvas Diff

Compare PDF

Load two PDF documents side-by-side to compare page counts, structural metadata, and visual differences page-by-page directly in your browser.

Select or drop your PDF document here

Processed locally in your browser. 100% private.

Browse Fileor Paste (Ctrl+V)

Supported: .pdf, application/pdf (Max 80 MB)

Follow these easy steps to process your file right in your browser.

1Step 1

Upload the original PDF and the revised PDF document.

Instant local processing

2Step 2

Review page count comparisons, modification dates, and page size differences.

Instant local processing

3Step 3

Step through pages side-by-side to visually inspect text revisions.

Instant local processing

Common questions about Compare PDF and browser processing.

Yes, both files are loaded directly into browser memory and are never uploaded to any remote server.

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