WordPress plugin comparison
PDF.js Viewer vs Ultimate PDF Generator
At a glance
- PDF.js Viewer has more active installs: 20K+, against 90+ for Ultimate PDF Generator.
- On a typical day, PDF.js Viewer is downloaded about 368 times, Ultimate PDF Generator about 3.
- Ultimate PDF Generator has no reviews yet.
- PDF.js Viewer was updated more recently: Oct 26, 2026, against Dec 26, 2024 for Ultimate PDF Generator.
- PDF.js Viewer is tested with a newer WordPress: 7.0.8, against 6.7.11 for Ultimate PDF Generator.
- PDF.js Viewer has been around longer: since 2013, against 2024 for Ultimate PDF Generator.
Line by line
PDF.js Viewer leads on 6 of 6 comparable lines.
| Metric |  PDF.js Viewer |  Ultimate PDF Generator |
|---|---|---|
| Popular rank | #1,181 | #17,366 |
| Active installs | 20K+ | 90+ |
| Downloads, last 30 days | 14.7K | 79 |
| Rating | 4.4(53) | No ratings |
| Support threads resolved | 0% | – |
| Tested up to | 7.0.8 | 6.7.11 |
| Search multiplier | ×0.89 | ×0.07 |
| Last release | 14 days ago | 1 year 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.
Tags they share
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