AI-powered invoice & receipt data extraction
Extract structured data from invoices & receipts (PDF or image) using your favorite AI models. Lightweight, customizable, and open source.
www.wellapp.ai
www.wellapp.ai
www.wellapp.ai
44 Tehama Street, 6th Floor
44 Tehama Street, 6th Floor
44 Tehama Street, 6th Floor
San Francisco, CA 94105
San Francisco, CA 94105
San Francisco, CA 94105
VAT: US89-3456789
VAT: US89-3456789
VAT: US89-3456789
amount Due
amount Due
amount Due
$
$
$
10,520.00
10,520.00
10,520.00
July
July
July
24,
24,
24,
2025
2025
2025
Invoice To:
Invoice To:
Invoice To:
Maxime Champoux
Maxime Champoux
Maxime Champoux
(415) 843 – 2746
(415) 843 – 2746
(415) 843 – 2746
1289 Mission Street, Apt 503
San Francisco, CA 94103
1289 Mission Street, Apt 503
San Francisco, CA 94103
1289 Mission Street, Apt 503
San Francisco, CA 94103
Invoice Details
Invoice Details
Invoice Details
Invoice Number:
Invoice Number:
Invoice Number:
Nº: 000042
Nº: 000042
Nº: 000042
Issued:
Issued:
Issued:
June
June
June
24,
24,
24,
2025
2025
2025
Due Date:
Due Date:
Due Date:
July
July
July
24,
24,
24,
2025
2025
2025
Qty
Qty
Qty
Description
Description
Description
Price
Price
Price
Total
Total
Total
AI model fine-tuning & optimization
AI model fine-tuning & optimization
AI model fine-tuning & optimization
1
1
1
$
$
$
3,200.00
3,200.00
3,200.00
$
$
$
3,200.00
3,200.00
3,200.00
Prompt engineering & dataset curation
Prompt engineering & dataset curation
Prompt engineering & dataset curation
1
1
1
$
$
$
2,100.00
2,100.00
2,100.00
$
$
$
2,100.00
2,100.00
2,100.00
API integration & deployment
API integration & deployment
API integration & deployment
1
1
1
$
$
$
3,000.00
3,000.00
3,000.00
$
$
$
3,000.00
3,000.00
3,000.00
Documentation & developer handoff
Documentation & developer handoff
Documentation & developer handoff
1
1
1
$
$
$
2,220.00
2,220.00
2,220.00
$
$
$
2,220.00
2,220.00
2,220.00
Total amount
Total amount
Total amount
Total amount:
Total amount:
Total amount:
$
$
$
10,520.00
10,520.00
10,520.00
Total amount
Total amount
Total amount
$10,520.00
$10,520.00
$10,520.00
Item name
Item name
Item name
API integration & deployment
API integration & deployment
API integration & deployment
Issue date
Issue date
Issue date
Jue 24, 2025
Jue 24, 2025
Jue 24, 2025
Client name
Client name
Client name
Maxime Champoux
Maxime Champoux
Maxime Champoux
VAT number
VAT number
VAT number
VAT: US89-3456789
VAT: US89-3456789
VAT: US89-3456789
Get any data from invoices and receipts. Fast, flexible and fully under your control.
How It Works
How It Works
Run Well Extract in 3 simple steps — fast, local, and open source.
Run Well Extract in 3 simple steps — fast, local, and open source.
1
Upload an invoice or receipt
Pass in a PDF or image file through the CLI. No uploading required.
1
Upload an invoice or receipt
Pass in a PDF or image file through the CLI. No uploading required.
1
Upload an invoice or receipt
Pass in a PDF or image file through the CLI. No uploading required.
2
Choose your AI model
Use OpenAI, Anthropic, Gemini, or Ollama with your own keys.
2
Choose your AI model
Use OpenAI, Anthropic, Gemini, or Ollama with your own keys.
2
Choose your AI model
Use OpenAI, Anthropic, Gemini, or Ollama with your own keys.
3
Extract to your own JSON spec
Prompt your JSON structure. Get exactly the data you need, formatted your way.
3
Extract to your own JSON spec
Prompt your JSON structure. Get exactly the data you need, formatted your way.
3
Extract to your own JSON spec
Prompt your JSON structure. Get exactly the data you need, formatted your way.
Features
Designed to fit into your workflow — fast, open, and developer-first.
Extract invoice & receipt data
Turn PDFs and images into structured JSON.
Extract invoice & receipt data
Turn PDFs and images into structured JSON.
Extract invoice & receipt data
Turn PDFs and images into structured JSON.
Your preferred AI models
Use OpenAI, Anthropic, Gemini, or Ollama — switch anytime.
Your preferred AI models
Use OpenAI, Anthropic, Gemini, or Ollama — switch anytime.
Your preferred AI models
Use OpenAI, Anthropic, Gemini, or Ollama — switch anytime.
Works from CLI
Run locally in your terminal — no UI, no lock-in.
Works from CLI
Run locally in your terminal — no UI, no lock-in.
Works from CLI
Run locally in your terminal — no UI, no lock-in.
Unified model API
One simple interface for multiple AI providers.
Unified model API
One simple interface for multiple AI providers.
Unified model API
One simple interface for multiple AI providers.
Ready to start extracting?
Clone the repo on GitHub and try it today — no signup needed.