Ross ROSS = Recommend OSS · open-source software intelligence for agents

potatameister/PaperKnife

Privacy-first PDF utility (Zero-Server Architecture). Merge, split, compress, and edit PDFs 100% locally on your device. No uploads, no servers, no tracking. observed · 2026-08-28

github.com/potatameister/PaperKnife · homepage · TypeScript · AGPL-3.0 (copyleft) observed · 2026-08-28

Health v2 · maintenance only

67/100

  • Activity 87
  • Release rhythm 71
  • Longevity 15
How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.

  • gap_med: 0
  • age_days: 219
  • days_rel: 199
  • days_push: 82
  • n_releases_24m: 10

Full methodology

Adoption not part of the score

1435 stars · 103 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

PaperKnife is a privacy-first PDF utility that merges, splits, compresses, encrypts, signs, and sanitizes PDFs entirely on-device with no server uploads. It ships as an Android app (Capacitor), a web app/PWA, and works fully offline.

Use cases

  • merge pdf files without uploading them
  • compress a pdf offline
  • split pdf pages locally on android
  • remove metadata from a pdf for privacy
  • password protect a pdf without a server
  • convert pdf to jpg or png locally
  • sign a pdf electronically offline

When to choose

  • you handle sensitive documents like IDs, contracts, or bank statements and don't want them uploaded anywhere
  • you need PDF tools that work fully offline on Android or in the browser
  • you want an open-source, ad-free, tracker-free alternative to online PDF sites

When to avoid

  • you need advanced PDF editing like OCR, form filling, or collaborative editing
  • you require batch server-side processing of large document volumes
  • you need iOS or desktop native apps

Facets

application · maturity active

pdf image-processing cryptography privacy gui pdf privacy files cross-platform browser cross-platform offline-first zero-server pwa capacitor pdf-manipulation fdroid client-side android web-server

2 sources

Member repositories

RepositoryRoleHealth v2
potatameister/PaperKnifemain67

For agents

markdown · JSON · MCP: product_card(name="potatameister/PaperKnife")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem