WordPress plugin comparison
PDF.js Viewer vs PDFSmith
At a glance
- PDF.js Viewer has more active installs: 20K+, against fewer than 10 for PDFSmith.
- On a typical day, PDF.js Viewer is downloaded about 368 times, PDFSmith about 1.
- PDFSmith is rated higher: 5.0 out of 5 from 1 review, against 4.4 from 53 reviews.
- PDF.js Viewer was updated more recently: Oct 26, 2026, against Dec 6, 2025 for PDFSmith.
- PDF.js Viewer is tested with a newer WordPress: 7.0.8, against 6.8.12 for PDFSmith.
- PDF.js Viewer has been around longer: since 2013, against 2025 for PDFSmith.
Line by line
PDF.js Viewer leads on 6 of 7 comparable lines.
| Metric |  PDF.js Viewer |  PDFSmith |
|---|---|---|
| Popular rank | #1,181 | #73,408 |
| Active installs | 20K+ | Fewer than 10 |
| Downloads, last 30 days | 14.8K | 38 |
| Rating | 4.4(53) | 5.0(1) |
| Support threads resolved | 0% | – |
| Tested up to | 7.0.8 | 6.8.12 |
| Search multiplier | ×0.89 | ×0.04 |
| Last release | 14 days ago | 11 months ago |
| Requires PHP | 7.4 | 7.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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