Tutorials
Practical, real-world guides for developers — essential workflows broken down into clear steps, with ready-to-use code you can drop into your project.
Extract PDF Text for RAG Pipelines & LLMs with Python
This tutorial explains how to extract clean text from PDFs for RAG pipelines using the Apdf API in Python. It demonstrates replacing messy local libraries with an API that returns structured JSON, allowing developers to easily feed high-quality document data into OpenAI or vector databases.
6 min read
Splitting Bulk PDF Files: How to Separate Invoices & Payslips
The tutorial explains how to separate bulk PDF files into individual documents using the Apdf Split API with JavaScript or Go. By utilizing the pages parameter (e.g., n1 for single pages), developers can automatically "burst" large batches, such as invoices or payslips, into separate, downloadable files.
5 min read
Building a Document Previewer: Extract PDF First Page as a Thumbnail
Learn how to build a fast PDF previewer for Document Management Systems using PHP. Extract only the first page as a lightweight thumbnail preview without forcing users to download the entire 50MB file. Perfect for improving DMS user experience and reducing bandwidth.
6 min read
How to Merge Multiple PDF Reports into a Single File (Node.js & PHP)
This tutorial explains how to combine multiple PDF files into a single document using the Apdf Merge API with Node.js or PHP. By sending file URLs to the API, developers can avoid server memory issues and easily handle advanced tasks, such as excluding cover pages by specifying page ranges.
4 min read
Build an Automated Invoice Generator using HTML & Python
The tutorial explains how to build a Python invoice generator by using Jinja2 to merge data into standard HTML/CSS templates. Instead of manually coding complex PDF layouts, the script sends the rendered HTML to the Apdf API, which instantly converts it into a professional, downloadable PDF.
5 min read