Extracting text from PDFs sounds simple until you try to do it. And it can be even more challenging for JavaScript developers, with various libraries to choose from and so on. I encountered this problem while I was building my SaaS app. I scoured thr...

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A comprehensive guide to building a custom PDF text extraction API using Node.js, TypeScript, and Express. Covers project setup with TypeScript configuration, implementing core parsing functionality with the pdf-parse library, and adding advanced features like page-specific extraction, metadata-only endpoints, and text search with case sensitivity. Includes error handling patterns, validation strategies, unit testing with Jest, and production deployment considerations. The tutorial addresses edge cases like corrupted PDFs, password-protected files, and scanned documents while providing best practices for rate limiting and security.

How to Build a Custom PDF Text Extractor with Node.js and TypeScript

Core Implementation: Building the Extractor

Adding a Lightweight Metadata-Only Endpoint