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Live Offline-first Bilingual EN / ES

Professional pay stubs — calculated and encrypted entirely on your device.

StubSafe is an offline-first pay-statement suite for web, PWA, Android, and iPhone/iPad. Build accurate pay stubs with real earnings, deductions, employer contributions, and leave, then export polished PDFs — while every byte stays in an encrypted vault on the device. The only optional network call is a read-only download of a signed tax-rules catalog; no payroll data ever leaves your phone. It handles the math, the tax tables, and the formatting for you, so a correct, professional pay stub takes minutes, not an afternoon.

0payroll data transmitted
310,000PBKDF2 iterations on the vault
50workers per batch export
19/19production-readiness gate

The problem

Your pay data shouldn't live on someone else's server.

The category is dominated by cloud pay-stub generators — which means uploading names, wages, and Social Security-adjacent details to a third party just to print a document you could produce yourself. That's a privacy trade nobody should have to make for a pay stub.

StubSafe does all the math and storage on your device, in an encrypted vault, so the strongest privacy story in the category is simply the default.

Device-only by design

  • AES-256-GCM vault, PBKDF2-SHA-256 × 310,000
  • Only network call: read-only signed tax-rules catalog
  • On-device state suggestion — coordinates never transmitted
  • Screenshot masking + one-button erasure

Capabilities

Real payroll math, zero cloud exposure.

👔

Five worker modes

Hourly, salary, and more — with 7 earning types, 4 deduction categories, employer contributions, and leave.

📄

Six PDF layouts

Letter, A4, and Legal in EN/ES/FR labels — polished, professional output.

🧮

Real tax math

Optional 2026 federal/FICA plus per-state estimates from full US state tax data — computed on device.

📁

Document lifecycle

Original, corrected, replacement, voided, and draft states — a real paper trail, not just a one-off print.

📦

Flexible exports

PDF, PNG, CSV, text, encrypted JSON, and batch ZIP for up to 50 workers at once.

Reusable profiles

Reusable worker profiles, recurring payroll, and YTD roll-forward, plus on-device analytics.

🔏

Signed rules service

The optional catalog is ECDSA P-256 signed, verified against an embedded public key, with a safe fallback to bundled rules.

📱

Genuinely native

Capacitor integration plus truly separate native Android (Java) and iOS (Swift) builds.

Bilingual + offline help

Full EN/ES live switch, an offline Help Center, and one-button erasure.

read-only rulesGET/HEAD only, 405 on writes, receivesPayrollData:false
19/19production-readiness gate
SBOMCycloneDX + SHA-256 manifest
Pixel 8verified on device
Honest about its purpose. StubSafe states plainly that its estimates are recommendations, not guaranteed determinations, and that it must not be used to falsify income. The rules service is zero-dependency and read-only by construction — it receives no payroll data and rejects writes with a 405.

Make the pay stub. Keep the privacy.

Accurate, professional pay statements calculated and encrypted entirely on your device — nothing ever leaves your phone.