📚 Best E-book & EPUB Readers Extensions, Ranked by Safety

We score every e-book & epub readers extension on publisher identity, permissions & access, data privacy, maintenance & ownership and community reputation. Every rank is backed by documented evidence — see our methodology.

Beautiful Epub Reader leads with a safety grade of A (86.9/100), while EPUBReader ranks lowest (B, 60.87/100). Each rank below reflects documented evidence only — not popularity or marketing.

1. #1 Beautiful Epub Reader 86.9/100 A
2. #2 ePub Reader 80.66/100 A
3. #3 EpubPup - EPUB Reader 65.02/100 B
4. #4 EPUBReader 60.87/100 B