🚀 DropDoc v1.0 is Live: Automatic invoice & receipt organizing with offline OCR. Get Lifetime Access (£39) →
Quantum Sip Offline First
🔒 100% Offline · Zero Cloud Telemetry · Own It For Life

Stop Renaming Invoices By Hand.

Drop your messy PDF invoices and scanned receipts into DropDoc. It automatically extracts the vendor, date, and invoice number, filing them into neat folders in 2 seconds. No cloud uploads. No monthly subscriptions.

Explore Products → ▶ Watch 24s Video Demo
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100% Confidential
Files never leave your PC. Zero cloud servers.
⚡
0.1s Local Speed
Instantly parses digital invoices & paper scans.
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No Monthly Fees
One-time payment (£39). Lifetime updates.
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30-Day Guarantee
100% refund if it doesn't save you hours.

See DropDoc in Action

24 seconds is all it takes to understand how much time you'll save each tax season.

DropDoc Promo Video — Official Demo
Our Software Suite

Built for Contractors, Sole Traders & Bookkeepers

Choose the workflow that fits your daily routine best — desktop or browser.

Standard Edition

DropDoc Standard

For contractors and sole traders who receive born-digital PDF invoices from suppliers, utility companies, and online stores.

£ 29 one-time payment
  • ✓ Standalone Windows App: Instant setup. No installation or Python needed.
  • ✓ Digital PDF Parsing: 0.1s auto-naming for invoices from Amazon, Stripe, Screwfix, Xero, etc.
  • ✓ Folder Auto-Watcher: Automatically monitors your inbox folder and sorts files in seconds.
  • ✓ Smart Categorization: Clean Downloads/DropDoc/YYYY-MM/Vendor/ hierarchy.
  • ✓ 100% Offline & Private: Zero data ever leaves your computer.
  • ✓ 2 PC License: Use on your main PC and laptop.
Get Standard — £29 ⚡ Instant digital download
Most Popular · PRO OCR

DropDoc PRO

The complete dual-engine powerhouse. Organizes digital invoices AND reads paper receipts, photos, and flatbed scans offline.

£ 49 one-time payment
  • ✓ Everything in Standard included.
  • ✓ Built-in Offline OCR Engine: Reads photographed paper receipts, fuel chits, and flatbed scans.
  • ✓ Microsoft Edge & Chrome Side Panel: Drag invoices directly from web portals into the side panel.
  • ✓ Local WebAssembly Processing: 100% private OCR on your device — zero cloud fees or leaks.
  • ✓ Batch Processing: Drop 50 invoices or scans at once.
  • ✓ 3 PC License: Office, laptop, and home workstation.
  • ✓ Lifetime Updates: All future PRO v1.x enhancements included.
Get DropDoc PRO — £49 🔥 Best Value · Lifetime License
For Teams & Practices

DropDoc Business

For bookkeeping practices, accountants, and contractors with teams or multiple client drop-folders.

£ 129 one-time payment
  • ✓ Everything in DropDoc PRO included.
  • ✓ Up to 15 PC Seats: Deploy across office machines, staff, or dedicated client PCs.
  • ✓ Client Drop-Folder Setup Guide: Send clients an automated drop-folder instead of a shoebox.
  • ✓ Network & NAS Folder Support: Shared multi-user network storage compatibility.
  • ✓ Priority Support: Direct setup assistance.
  • ✓ Commercial Practice License: Full commercial practice rights.
Get Business Pack — £129 ✓ Up to 15 seats included

The Quantum Sip Difference

Why small business owners are ditching bloated monthly SaaS subscriptions.

Feature DropDoc Standard (£29) DropDoc PRO (£49) Typical Cloud SaaS
Pricing Model £29 One-Time £49 One-Time (Lifetime) £15 – £35 every month forever
Digital PDF Invoices ✓ Included (0.1s parsing) ✓ Included (0.1s parsing) ✓ Included
Paper Scans & Photos (OCR) — ✓ Built-in Offline WebAssembly OCR Extra charge per page
Browser Side Panel — ✓ Microsoft Edge & Chrome Panel Browser add-ons vary
Data Privacy 100% Local on PC 100% Local on PC (Zero Cloud) Uploaded to remote cloud servers
Internet Required? No. 100% Offline No. 100% Offline Yes, requires constant internet
Entitlement 2 Computers 3 Computers 1 User / Per-seat fee

Frequently Asked Questions

Everything you need to know about our offline software.

Does DropDoc upload my invoices to the internet?

Never. DropDoc is engineered from the ground up to be 100% offline. All text extraction, OCR, and file sorting happen entirely on your computer's local processor. Your invoices, bank statements, and receipts never touch any external server.

How do I receive the software after purchasing?

Immediately after checkout on Gumroad, you receive an instant download link for the Windows ZIP package and your lifetime activation license. You can download and run it in less than 30 seconds.

Can I use it on more than one computer?

Yes. Your single-user license allows you to use DropDoc on your desktop PC and your laptop.

What if it doesn't work for my invoices?

We offer a hassle-free 30-day money-back guarantee. If DropDoc doesn't save you hours of filing headaches, just email us for a full 100% refund.

Ready to Stop Filing Invoices Manually?

Get your lifetime license today for a single one-time payment of £39. No subscriptions, ever.

Get DropDoc Lifetime License (£39) View All Products on Gumroad

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