WordPress plugin comparison
PDF.js Viewer vs Waiver Engine
At a glance
- PDF.js Viewer has more active installs: 20K+, against fewer than 10 for Waiver Engine.
- On a typical day, PDF.js Viewer is downloaded about 368 times, Waiver Engine about 2.
- Waiver Engine has no reviews yet.
- PDF.js Viewer was updated more recently: Oct 26, 2026, against Aug 27, 2026 for Waiver Engine.
- Both are tested up to WordPress 7.0.8.
- PDF.js Viewer has been around longer: since 2013, against 2026 for Waiver Engine.
Line by line
PDF.js Viewer leads on 5 of 5 comparable lines.
| Metric |  PDF.js Viewer |  Waiver Engine |
|---|---|---|
| Popular rank | #1,181 | #52,480 |
| Active installs | 20K+ | Fewer than 10 |
| Downloads, last 30 days | 14.8K | 61 |
| Rating | 4.4(53) | No ratings |
| Support threads resolved | 0% | – |
| Tested up to | 7.0.8 | 7.0.8 |
| Search multiplier | ×0.89 | ×0.05 |
| Last release | 14 days ago | 2 months ago |
| Requires PHP | 7.4 | 8.0 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
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