Adobe Acrobat Reader vs Mozilla PDF.js
| Adobe Acrobat Reader | Mozilla PDF.js | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Web, Windows | api, extension, Linux, self-hosted, Web |
| Free plan | Yes | — |
| Annotation tools | Yes | Yes |
| Form filling | Yes | Yes |
| Text-to-speech | Yes | — |
| Platform support | cross-platform | cross-platform |
Both are listed in Best PDF Readers. On Specifiction, Mozilla PDF.js scores higher on our published basis.