Annotations Not Syncing Across Copies of a PDF
Hypothesis unifies annotations across copies of PDFs based on a “fingerprint” (unique ID) that is created by authoring tools. The...
Hosting PDFs for Annotation
You can provide Hypothesis annotation ability on top of PDFs you host online using our PDF.js + Hypothesis project to...
Annotating Locally-saved PDFs
Hypothesis syncs annotations across copies of the same PDF based on a “fingerprint” or unique ID. That means you can...
How to OCR PDFs
Sometimes you may find yourself working with a PDF in which none of the text is selectable. This usually happens...
Why can’t I find my PDF annotations?
How can I see my PDF annotations in context? When you add annotations to a PDF, you’re able to go...
How to make copies of a PDF with a different fingerprints
How I do I check and make sure my PDFs have different fingerprints?
For each PDF you want to check: Open the PDF in Chrome Activate the Hypothesis extension Click the...