HappyPDF icon

HappyPDF

yydbc.developer
⬇ 100,000+ downloads
Est. actual: 161,192
Free
Released: Aug 4, 2025
No in-app purchases
Contains ads
Rated: Everyone

Signals

3 this week · 2 positive · 1 warning All of this week's signals →
  • 📈Last 7 days +7 installs — 17% faster than the week before (+6) · 0/day since Sep 29
  • 🏆Among Tools apps top 48% by installs gained this week (758 peers growing)
  • 🛠Updates dormant · updated 456 days ago
Installs since launch
0 81K 161K 161K Aug 4, 2025 today
+16 installs since Sep 29
Update history
1.1.2 Aug 11, 2025 · seen Sep 29, 2026
Only the current version so far — new entries appear as the app ships updates.
HappyPDF screenshotHappyPDF screenshotHappyPDF screenshotHappyPDF screenshotHappyPDF screenshot

HappyPDF is a tools app by yydbc.developer with 100,000+ downloads (about 161K estimated). +7 installs in the last 7 days. Released Aug 4, 2025. Install growth, rank history, SDKs and ad networks.

From the store listing: “HappyPDF is a fun and easy-to-use PDF tool.It's extremely useful in both work and daily life,helping you achieve paperless learning or office work. HappyPDF Features: Create PDFs from Photos Merge PDFs Convert Web Pages to PDF Convert Images Compress Images Convert Images to PDF”