Our Methodology
How we test, score, and review OCR and document extraction software.
Our Test Document Set
Every tool we review is tested against the same standardized set of real-world documents:
- 50 invoices — from 30+ different vendors, varying formats, languages, and quality levels
- 20 receipts — retail, restaurant, and service receipts (digital and photographed)
- 10 bills of lading — shipping documents with complex table structures
- 10 bank statements — multiple banks, varying layouts
- 10 miscellaneous — contracts, forms, medical documents
Documents include clean digital PDFs, scanned documents at various DPI levels, and photographs taken with smartphones. This represents real-world conditions.
Scoring Rubric
Each tool is scored on six dimensions with the following weights:
- Accuracy (25%) — Field-level extraction accuracy on our test set.
- Ease of Use (20%) — Time to first extraction, learning curve, documentation quality.
- Pricing Value (20%) — Cost per page at three volume tiers (100, 1,000, 10,000 pages/month).
- Integration Depth (15%) — API quality, native integrations, webhook support.
- Document Versatility (10%) — Range of document types and multi-language capability.
- Support & Docs (10%) — Response time, support channels, knowledge base quality.
Review Updates
We re-test every tool quarterly. When a tool releases a major update, we re-test sooner. Each review page shows the last update date.
Affiliate Disclosure
Some links on this site are affiliate links. We may earn a commission if you sign up through these links. This never affects our scores — our top-rated tool (Rossum) is not an affiliate partner.
Editorial Independence
Our reviews are based solely on hands-on testing. We do not accept payment for reviews or guaranteed placements.