Free Starter Version · Fully Private · Open Source

Run Your Own Payroll.
Keep Your Privacy.

The specialized toolkit for solo-entrepreneurs. Calculate FICA, WA L&I, and PFML in milliseconds. Generate audit-proof PDFs and tax return data completely locally — without a $40/month subscription.

Why Micro-Payroll?

😰

Missed deadlines

Forgetting to file is the #1 cause of IRS penalties for solo-entrepreneurs. The calendar shows exactly what's due and when.

🤔

Zero-filing confusion

Even with no payroll, WA ESD and IRS still expect a zero report. Our fast track generates it in 60 seconds.

📝

Form-filling fear

You have the numbers — but which box on WA EAMS or CA EDD does each one go into? Form Mapper shows you exactly.

Why Solo-Entrepreneurs Switch

Traditional payroll is built to handle HR for 500-person companies. We're built exclusively for you: the army of one.

☁️ Traditional Cloud Payroll

  • $40/mo base fee + per employee costs
  • Requires linking your secure bank credentials
  • Bloated HR/Benefits UI you will never use
  • Your company data sold & shared on the cloud
The Solo Edge

⚡ Micro-Payroll

  • $0/month forever (Free Starter)
  • No bank link: You pay the state portals directly
  • Laser-focused: Generates the exact tax numbers you need
  • 100% Local: Data encrypted on your device and never escapes

Everything You Need to File

No monthly fee. No account required. Built for solo-entrepreneurs who just want to get it done.

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Multi-State

Smart Tax Calendar

State-aware filing timeline for WA, TX, CA, and NY. Deadlines auto-sort by urgency — overdue in red, due this week in amber, upcoming in blue.

60 seconds

Zero-Filing Fast Track

No payroll this quarter? WA ESD CSV export or direct portal links for TX/CA/NY — generated in under a minute with a complete PDF audit record.

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WA · TX · CA · NY

Multi-State Calculator

FICA + Federal Withholding + all state taxes auto-computed. WA PFML/L&I/Cares, CA SDI/PIT/ETT, NY SDI/PFL/NYC surcharge, TX SUI.

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No more guessing

Form Mapper Guide

Government portal field names matched to your calculated values — side by side. TX TWC, CA EDD DE9/DE88, NY NYS-45, WA EAMS all covered.

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100% Offline

Fully Private & Local

IndexedDB storage, AES-256-GCM encryption with your PIN. Zero cloud uploads — ever. Works offline. Your payroll data belongs to you.

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Audit-ready

PDF Pay Stubs

Professional pay stubs per employee, plus zero-filing archive PDFs. One click, instant download — perfect proof for future audits.

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Military-Grade Privacy,
Built in the Browser.

Most payroll services harvest your company data. Micro-Payroll uses HTML5 IndexedDB and the Web Crypto API to store your records locally on your machine.

Encryption: AES-256-GCM
Key Derivation: PBKDF2 (100k iter.)
Cloud Traffic: Zero-Knowledge
async function encryptData(data: PayrollRecord) {
  // 1. Generate 96-bit IV
  const iv = crypto.getRandomValues(new Uint8Array(12));
  🔐 data never leaves your device
  const buffer = await crypto.subtle.encrypt(
    { name: "AES-GCM", iv },
    sessionKey,
    new TextEncoder().encode(JSON.stringify(data))
  );
  return storeInIndexedDB(buffer);
}

State Coverage

Currently supported: WA · TX · CA · NY. More states coming soon.

WAWashington

L&I · PFML · WA Cares · SUI

TXTexas

SUI · No income tax

CACalifornia

SDI · ETT · SUI · CA PIT

NYNew York

SDI · PFL · SUI · NY PIT

Pricing

$0

Free Starter Tier.

  • WA & TX payroll calculations
  • Professional pay stubs
  • Zero-filing CSV export
  • Tax filing calendar
  • Encrypted local storage
  • JSON backup & restore
Start Now →