Smallpdf vs Hypothes.is

Side-by-side comparison of Smallpdf and Hypothes.is to help you choose the right tool.

Feature	Smallpdf	Hypothes.is
Pricing	Free (limited) / $9-$7/mo	Free
Rating	⭐ 4.5/5	⭐ 4.4/5
Categories	pdf-documents	pdf-documents, bookmark-managers
20+ PDF tools	✅	❌
Compress	✅	❌
Convert	✅	❌
Merge & split	✅	❌
Edit & sign	✅	❌
Protect	✅	❌
No installation	✅	❌
Web annotation	❌	✅
PDF annotation	❌	✅
Social highlights	❌	✅
Groups	❌	✅
Browser extension	❌	✅
API	❌	✅
LMS integration	❌	✅

Easy online PDF tools for conversion and editing

Try Smallpdf →

Open-source web and PDF annotation

Try Hypothes.is →