Auto-Enter Invoice Photos into Excel with PaddleOCR + an LLM
Open-source PaddleOCR reads invoice text and layout, an LLM extracts amount, tax ID and date fields with sum checks, and rows are written straight into a spreadsheet.
CORE TOOLS
PaddleOCR, DeepSeek, Python, openpyxl
BEST FOR
Accountants, small business owners, admin and expense staff
REQUIREMENTS
Able to run Python; an LLM API key; store invoice images securely
✦ WHY THIS WORKFLOW
Invoice entry is high-volume, rule-based and error-prone. OCR reads, the LLM understands and code validates, keeping errors low.
Below is OCR text from an invoice. Output JSON only with no explanation: {"invoice_no":"","date":"YYYY-MM-DD","seller":"","tax_id":"","amount":0,"tax":0,"total":0}.
Use null for missing fields, never guess; amounts must be numbers.
If the text looks clearly incomplete, also output "need_review": true.
[OCR text]
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