Mozilla PDF.js comparisons
Mozilla PDF.js is compared head-to-head with Foxit PDF Reader, Okular and Preview and more: 7 head-to-heads in PDF Readers, each with the specs and prices we checked.
Mozilla PDF.js head-to-head
- Mozilla PDF.js vs Foxit PDF Reader
- Mozilla PDF.js vs Okular
- Mozilla PDF.js vs Preview
- Mozilla PDF.js vs SumatraPDF
- Mozilla PDF.js vs KDAN PDF
- Mozilla PDF.js vs Evince
- Mozilla PDF.js vs Adobe Acrobat Reader
Mozilla PDF.js vs each of them
| # | Tool | Free plan | Paid from | Annotation tools | Form filling | Offline access | Platform support | Score |
|---|---|---|---|---|---|---|---|---|
| 5 | Mozilla PDF.js | Yes | Free | Yes | Yes | Web | 8.8 | |
| 1 | Foxit PDF Reader | Yes | Free | Yes | Yes | Yes | Cross-platform | 9.4 |
| 2 | Okular | Yes | Free | Yes | Yes | Cross-platform | 9.2 | |
| 3 | Preview | Yes | Free | Yes | Yes | Yes | Desktop | 9.1 |
| 4 | SumatraPDF | Yes | Free | Yes | Yes | Yes | Desktop | 9.0 |
| 6 | KDAN PDF | Yes | $59.99/yr | Yes | 8.7 | |||
| 7 | Evince | Yes | Free | Yes | Yes | Yes | Desktop | 8.6 |
| 8 | Adobe Acrobat Reader | Yes | Yes | Yes | Cross-platform | 8.5 |
Compare Mozilla PDF.js with any PDF reader
These are the matchups our editors wrote up. The compare tool pairs Mozilla PDF.js with any other product in PDF Readers — and up to four at once — from the same checked specs.
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Our full Mozilla PDF.js verdict, pricing and fact sheet →
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Compared by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update