DOCUMENT INTEGRITY WORKSPACE

Your document vault.

Save originals. Verify copies. See what changed.

PRIVATE VAULT
FREE RECIPIENT CHECKS

Check a document

Choose a PDF. Verification and available content comparison start automatically.

Choose a PDF or drop it herePDF only · Up to 20 MB

Selecting a file keeps it on your device. Save & seal uploads the original to your private vault.

FREE VERIFICATION & COMPARISON

Verify & compare automatically.

Choose a PDF above. We check for an exact match, then compare against a clear suggested original. You can change the reference below.

Opening your vault…

The copy you check stays on your device. Matching hints use text and page appearance from up to 12 pages. Similarity suggests candidates; it never proves authenticity. Detailed comparison checks every page, with English OCR where needed.

Check with a Document ID or receipt

FREE VERIFICATION

Does your copy match?

Use the PDF selected above. Add its Document ID to check against a particular sealed original.

Document ID optional

Have a receipt? Load its Document ID

Compare with an original stored on your device

FREE CONTENT COMPARISON

What changed in this copy?

Choose the sealed original as a reference for the PDF selected above. We’ll compare their text and page appearance, using OCR for image-based pages.

1. Sealed original

Choose PDFUp to 20 MB

Document ID required

Have a receipt? Load its Document ID

Both PDFs and their extracted text stay on your device. Only fingerprints and the Document ID are sent to confirm the seal. English OCR · Every page checked · PDFs up to 20 MB.