Engineering.
How document generation and extraction work under the hood: HTML-to-PDF rendering, print CSS, templates, structured data and the edge cases that break them.
PDF REST API: Generate a PDF With One Request
Generate PDFs from HTML or JSON with a PDF REST API: curl, Node and Python code, page-break fixes, and 2026 pricing from ten vendors to compare.
Automating Open Graph Images — OG Image Generator Guide
Why every page needs its own Open Graph image, how to generate them from a template or a screenshot, and the sizes, caching and fallbacks that matter.
HTML to PDF in C# — Three Ways Compared (.NET)
Convert HTML to PDF in C#: wkhtmltopdf wrappers, headless Chromium with PuppeteerSharp, or a REST API. Code for each, and when to pick which.
URL to PDF: Capturing Web Pages Reliably
How to convert a live web page to PDF: JavaScript rendering, lazy-loaded images, cookie banners, authentication, and why some pages come out blank.
Extracting Data from PDFs: OCR, Parsing, or AI?
Three ways to get structured data out of PDFs: text parsing, OCR and schema-driven AI extraction. Which to use, what each costs and where each fails.
PDF to Markdown: Preparing Documents for RAG and LLMs
Why Markdown is the right intermediate format for feeding PDFs to language models, how to keep structure through conversion, and how to chunk it.
Why Your HTML to PDF Layout Breaks (and How to Fix It)
Page breaks, missing backgrounds, substituted fonts, broken tables: seven reasons HTML to PDF output differs from the browser, and the CSS fixes.
How to extract structured JSON from PDFs with an API
Schema-driven PDF extraction returns typed JSON with per-field confidence. Here is the pattern, the failure modes, and the credit math.
Batch PDF processing — 50 files per request, one credit ledger entry
The batch endpoint runs up to 50 files concurrently, returns per-file statuses, and creates a single billing entry. Here is when to reach for it.