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Notes from the render pipeline

Engineering write-ups on browser rendering, PDFs, and feeding the web to LLMs — plainspoken and problem-first.

ComparisonsJun 14, 2026· 8 min read

The 8 best screenshot APIs in 2026

A developer's comparison of the top screenshot APIs in 2026 — capture quality, ad-blocking, geo rendering, pricing, and which ones also do PDF and markdown.

ComparisonsJun 13, 2026· 8 min read

The best HTML to PDF APIs in 2026

Comparing the top HTML-to-PDF APIs in 2026 — print CSS fidelity, page control, language support, JSX-to-PDF, and pricing per document.

AIJun 13, 2026· 7 min read

The best URL to markdown APIs for LLMs in 2026

The top URL-to-markdown and web-extraction APIs in 2026 for RAG and AI agents — clean output, token-aware chunking, crawling vs single-URL, and pricing.

GuidesJun 12, 2026· 7 min read

The best screenshot, PDF & markdown API in 2026

Picking a rendering API in 2026 means weighing screenshots, PDFs, and LLM-ready markdown — often across three vendors. Here's how the field compares, and how to cover all three on one key.

EngineeringJun 2, 2026· 6 min read

Why Puppeteer eats your RAM (and what we do instead)

A self-hosted screenshot box starts simple and ends as a memory-leaking cron job you babysit at 2am. Here's the failure mode — and the architecture that avoids it.

ProductMay 18, 2026· 4 min read

Invoices as React components: JSX-to-PDF

Your app already renders the invoice on screen. Why maintain a second, divergent template just to make a PDF? Render the component straight to paper.

AIApr 28, 2026· 5 min read

Token-aware chunking for RAG, in one API call

Clean markdown is half the battle. Getting it into context windows without shredding meaning is the other half. Here's how chunking on heading boundaries works.