Secure Bulk Tax Form Filler from Excel & SheetsSecure Tax Automation
Automate your tax season with zero data risk. Securely map sensitive data (SSN, EIN, Income) from your spreadsheet to official IRS PDF forms. Our local-first engine ensures your financial records never touch a server.
Designed for CPAs, Tax Professionals, and Business Owners handling sensitive PII data.
PDF Mail Merge
Automatically fill PDF forms with data from Excel or Google Sheets, 100% locally.
Quick Start & Recent
Data Source
Spreadsheet or Google Sheets
Drop CSV / XLSX here
or click to browse
PDF Template
Fillable PDF form
Drop PDF here
or click to browse
Built for High-Stakes Tax Filings
Encrypted Local RAM Processing
All sensitive financial data is processed in your browser's encrypted memory space and wiped immediately after the tab is closed.
Official IRS Field Support
Optimized for complex IRS forms including W-9, 1099-NEC, 1099-MISC, and Form 1040 schedules.
Boolean Radio/Checkbox Logic
Intelligently map tax entity types (C-Corp, S-Corp, Individual) to the corresponding PDF radio buttons based on your data.
Audit-Ready PDF/A Output
Generated PDFs follow official archival standards, ensuring they are accepted for both e-filing and physical mail-in.
Secure ZIP Export
Export hundreds of filled tax forms into a single, locally-generated ZIP archive with custom candidate/business names.
No Storage Guarantee
We do not have a database for your spreadsheet data. Your PII (Personally Identifiable Information) never leaves your sight.
Secure Compliance at Scale
Financial professionals trust our local-first engine to handle their most sensitive data with zero risk.
10k+ Tax Forms Filled
Tax Forms Filled
100% Local Browser Processing
Local Browser Processing
0B Sensitive Data Stored
Sensitive Data Stored
Trusted by Accounting Professionals
How CPAs and business owners are surviving tax season.
The local-first architecture is the only reason our firm approved this tool. We can process 1099s for 200+ clients without risk of data leaks.
Linda Thompson, CPA, Senior Partner
Linda Thompson
CPA, Senior Partner
Filling out W-9s for all our contractors used to be a week-long headache. Now it's a 10-minute task from my Google Sheets list.
Marcus Aurelius, Small Business Owner
Marcus Aurelius
Small Business Owner
The smart field detection is surprisingly accurate. It saved me hours of manual mapping for complex Form 1040 schedules.
Sarah Connor, Tax Consultant
Sarah Connor
Tax Consultant
Tax Professional's FAQ
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Automate Your Tax Compliance Today
Join 1,000+ financial professionals who trust our secure, local-first tax form filler.