Embedded Files
đź“„ INGESTION
đź“„ INGESTION
- Payroll API or direct PDF/image upload into your firm’s Google Drive.
- Smart filters reject unsupported file types and obvious malware patterns.
- Each client gets an isolated folder structure (Intake → Income Docs → Generated Docs → Final Return).
🛡️ AIR GAP
🛡️ AIR GAP
- Personally identifiable information (like full SSNs) is stripped from the sheet and vaulted in Google Secret Manager.
- Your NEXFILE sheet only holds a vault reference + last 4 digits for verification.
- All processing happens inside your own Google Workspace – no central NEXFILE database.
🧠VISION AI
🧠VISION AI
- Google Cloud Vision OCR reads each W‑2, 1099, SSA‑1099, and 1099‑G.
- The engine classifies documents, checks quality, flags mismatches, and extracts income + state wages/withholding.
- A completion score and workflow status tell you which returns are “Blocked,” “Need Review,” or “Ready for Tax Expert.”
đź’ľ SOVEREIGNTY
đź’ľ SOVEREIGNTY
- Clean, structured data is written back to your NEXFILE sheet in Google Sheets.
- Export buttons generate Drake‑ready CSVs, TXF files, and internal 1040 summaries.
- All files remain in your Google Drive; if you ever stop using NEXFILE, your data and folder structure still work.
ZERO-TRUST SECURITY MODELÂ
ZERO-TRUST SECURITY MODELÂ
Most tax software stores your data on their servers (a 'Honey Pot' for hackers).Â
Most tax software stores your data on their servers (a 'Honey Pot' for hackers).Â
NEXFILE™ is different. We use a Single-Tenant Architecture.Â
NEXFILE™ is different. We use a Single-Tenant Architecture.Â
No Central Database: We don't have a master list of your clients.
No Central Database: We don't have a master list of your clients.
Client-Side Encryption: Keys are generated in your Google Cloud Console.
Client-Side Encryption: Keys are generated in your Google Cloud Console.
Auditable Logs: You can see every single time the script runs in your Apps Script dashboard.
Auditable Logs: You can see every single time the script runs in your Apps Script dashboard.
TECHNICAL SPECIFICATIONS
TECHNICAL SPECIFICATIONS
- CORE RUNTIME
Google Apps Script (V8 Engine), bound to your firm’s NEXFILE spreadsheet.
- OCR ENGINE
Google Cloud Vision API v1 (DOCUMENT_TEXT_DETECTION) for PDFs and images.
- PAYROLL GATEWAY
API (OAuth 2.0) for optional payroll‑to‑Drive ingestion.
- ENCRYPTION & VAULT
AES‑256‑equivalent storage via Google Secret Manager using per‑client secret IDs.
- DATA RESIDENCY
All primary data (folders, PDFs, sheets) stored in your Google Drive; no multi‑tenant app database.
- EXPORT FORMATS
- CSV: Drake import sheets
- TXF: TurboTax‑compatible exports
- JSON: raw structured data for custom workflows or BI
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