Compare: Shield PDF: Secure Manager vs PDF Manager-Lock&Protect Files
| Stats |   Shield PDF: Secure Manager |  PDF Manager-Lock&Protect Files |
|---|---|---|
| User count | 47 | 261,062 |
| Average rating | 0.00 | 3.87 |
| Rating count | 0 | 200 |
| Last updated | 2026-02-24 | 2026-05-12 |
| Size | 34.26MB | 63.01MB |
| Version | 3.3 | 2.6.0 |
| Short description | |
|---|---|
| Scan, edit, protect, and manage PDFs securely with professional tools. | Auto-scan all PDFs, unified management. Lock & Protect Files for privacy. |
| Full summary | |
- | - |
Popular Extensions / Apps
Here are some popular extensions / apps that you might be interested in:
Merlin AI
https://getmerlin.in
900K 4.79 
(8,795)
AdBlocker Ultimate
AdAvoid
1M 4.77 (27,136) 
Checker Plus for Gmail™
https://jasonsavard.com
1000K 4.65 (12,683) 
Capital One Shopping: Save Now
https://capitaloneshopping.com
10M 4.68 (17,608) 
Chrono Download Manager
https://www.chronodownloader.net/
800K 4.43 (24,229)
DeepSider™:ChatGPT Sidebar
DeepSider
1M 4.80 (1,600) 
Auto Refresh Plus | Page Monitor
https://autorefresh.io
1000K 4.87 (21,688) 
Rakuten: Get Cash Back For Shopping
http://rakuten.com/
3M 4.89 (43,624) 
ImTranslator: Translator, Dictionary, TTS
http://about.imtranslator.net/
900K 4.36 (5,262) 
Dark Reader
Dark Reader Ltd
1M 4.49 (6,840) 
Turbo Stars - Rival Racing
SayGames Ltd
139M 4.62 (1,037,584) 
Duolingo: Language Lessons
Duolingo
923M 4.72 (46,076,082)