PrefillPDF
Integration • Spreadsheet automation

Google Sheets PDF Automation

Turn spreadsheet rows into completed PDFs or write extracted PDF data back into organized columns.

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Extract JSON from PDF · Invoices use case · Documentation
Google Sheets is often used as a lightweight database, operations queue, or reporting source. Apps Script can connect those rows to PrefillPDF.
A script can read each row, send mapped values into a PDF template, save the generated document, or extract JSON from an existing PDF and write the result into cells.

Common Google Sheets workflows

Row to invoice or application

Select a row, map its columns to template fields, and generate a completed PDF.

PDF extraction into columns

Read PDF links from a sheet, extract JSON, and populate business fields for review or export.

Batch document generation

Process selected rows or timed batches and save generated PDFs to Google Drive.

How the integration works

1

Prepare your sheet

Use headers that match the fields you want to generate or extract.

2

Add Apps Script

Create a custom menu or trigger that sends each selected row to PrefillPDF.

3

Process the response

Write generated file links, statuses, errors, or extracted JSON fields back into the sheet.

4

Connect Google Drive or Gmail

Store generated documents or send them automatically after successful processing.

Benefits of using PrefillPDF with Google Sheets

Simple interface for operations teams
Batch generation from spreadsheet rows
Easy Google Drive and Gmail connection
Useful for imports, review queues, and reporting

FAQ

Can Apps Script call PrefillPDF?

Yes. Use UrlFetchApp to send authenticated requests from Google Apps Script.

Can I save generated PDFs to Google Drive?

Yes. Apps Script can create a Drive file from the PDF response or download URL.

Can extracted JSON populate separate columns?

Yes. Parse the returned JSON and map selected keys to the appropriate sheet columns.

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Use Python to generate PDFs from templates, extract structured JSON from PDFs, and automate document processing.

Build your Google Sheets PDF workflow

Generate PDFs from structured data or extract structured JSON from existing documents with PrefillPDF.

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