{"product_id":"upload-invoice-pdf-to-form-extract-validate-ledger-log","title":"Upload Invoice PDF to Form: Extract, Validate \u0026 Ledger Log","description":"\u003ch3\u003eUpload an invoice PDF, get parsed fields instantly—supplier, totals, VAT, dates, and a ledger-ready row\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow lets you upload a single PDF invoice via an n8n Form. It extracts the invoice text, parses common invoice metadata (including currency, net\/VAT\/gross totals and key dates), validates the math, and returns the detected results as a JSON response—ready for review or downstream processing.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives a PDF through an n8n Form trigger\u003c\/strong\u003e (path: \u003cem\u003eread-one-invoice\u003c\/em\u003e).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplies parsing settings\u003c\/strong\u003e such as \u003cem\u003edateOrder\u003c\/em\u003e and a \u003cem\u003edefaultCurrency\u003c\/em\u003e fallback to match your invoice formats.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelects the uploaded file\u003c\/strong\u003e from the form submission and standardizes it into a binary field for processing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtracts text from the PDF\u003c\/strong\u003e using n8n’s built-in PDF text extraction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eParses and validates invoice fields\u003c\/strong\u003e including supplier, invoice number, invoice\/due dates, currency, and net\/VAT\/gross totals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChecks totals consistency\u003c\/strong\u003e by validating that \u003cem\u003enet + VAT matches the total\u003c\/em\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReturns results to the form\u003c\/strong\u003e with a human-readable summary plus a `CSV`-formatted ledger row, delivered as JSON.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTurn inbound invoice PDFs into structured data for finance workflows without manual transcription.\u003c\/li\u003e\n  \u003cli\u003eValidate that VAT and totals match before logging entries in your ledger.\u003c\/li\u003e\n  \u003cli\u003eProvide a simple, self-serve “invoice read” experience for SaaS operations teams using n8n Forms.\u003c\/li\u003e\n  \u003cli\u003eTest and refine invoice parsing rules by adjusting \u003cem\u003edateOrder\u003c\/em\u003e and \u003cem\u003edefaultCurrency\u003c\/em\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eImplemented with n8n nodes including \u003cstrong\u003eForm Trigger\u003c\/strong\u003e, \u003cstrong\u003eif\u003c\/strong\u003e, \u003cstrong\u003eset\u003c\/strong\u003e, \u003cstrong\u003ecode\u003c\/strong\u003e, \u003cstrong\u003ePDF text extraction\u003c\/strong\u003e, \u003cstrong\u003edata table\u003c\/strong\u003e, and \u003cstrong\u003esticky note\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eNo credentials, API keys, or AI models required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRequirements:\u003c\/strong\u003e your PDF must include a readable text layer—scanned\/image-only invoices may not extract correctly. The workflow saves no files.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":46289301307571,"sku":"N8N-21455","price":54.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/FoMQr2dNm5jcKoU8RYptJ_gwaamRp3.png?v=1793006887","url":"https:\/\/buyflowscripts.com\/products\/upload-invoice-pdf-to-form-extract-validate-ledger-log","provider":"N8N Commerce","version":"1.0","type":"link"}