Side-by-Side Comparison
PdfViewer vs by_star
Compare open source repositories side by side. Stars, forks, code health, licensing, and community growth.
Recorded Stars Comparison
● GrapheneOS/PdfViewer (1K)
● radar/by_star (1K)
☆ 1KPdfViewer stars
☆ 1Kby_star stars
+1Difference
by_starStar Leader (1.0x)
⚖️ Comparison Verdict
Star Popularity
by_star Leads
+1 stars (1.0x ratio)
Forks & Derivatives
PdfViewer Leads
144 total community forks
Recent Maintenance
PdfViewer
Pushed 4d ago
Licensing
MIT
Both share open license
Side-by-Side Facts
| Metric | GrapheneOS/PdfViewer ↗ | radar/by_star ↗ |
|---|---|---|
| Description | Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions. The PDF stream is fed into the sandboxed WebView without giving it access to content or files. CSP is used to enforce that the JavaScript and styling properties within the WebView are entirely static. | Lets you find ActiveRecord + Mongoid objects by year, month, fortnight, week and more! |
| GitHub Stars | ☆ 1,046 | ☆ 1,047 |
| Forks | 144 | 72 |
| Open Issues | 51 | 11 |
| Main Language | Kotlin | Ruby |
| License | MIT | MIT |
| Last Push | Oct 5, 2026 | Jan 18, 2023 |
| GitHub Source | Open Source ↗ | Open Source ↗ |
⭐ Embed Verified Badges in README
Add verified GitHubRepo badges to either project's README.md to showcase star momentum.
PdfViewer Badge
[](https://githubrepo.cloud/repo/GrapheneOS/PdfViewer?utm_source=readme_badge)
by_star Badge
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