A practical guide to fetching YouTube transcripts from code: why DIY scrapers get IP-blocked on servers, working Python, Node.js and curl examples, languages and translation, SRT/VTT, playlists, and chunking transcripts for LLMs.
How to capture website screenshots from code without running your own headless browser fleet. Working Python and Node.js examples for full-page, mobile, retina and PDF captures, late-loading pages, and a batch script with retries.
A practical guide to generating PDFs from HTML for invoices, reports and certificates. Print CSS that works, page sizes and breaks, waiting for fonts and charts, rendering private documents via signed URLs, and a batch pipeline for thousands of PDFs.