Blog

Thoughts on PDF generation, developer tools, and building in public.

TutorialMarch 29, 2026 · 3 min read

Auto-Generate PDF Invoices in Your SaaS App with One API Call

Every SaaS app eventually needs to send invoices. Here's how to generate pixel-perfect PDF invoices from a Stripe webhook in ~20 lines of code — no library to maintain.

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Behind the buildMarch 29, 2026 · 5 min read

I Built a PDF Generation API — Here's the Tech Stack and What I Learned

How I shipped RenderPDFs using Fastify, Puppeteer, PostgreSQL, Cloudflare R2, Next.js 15, and Railway — plus the production lessons I picked up along the way.

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LaunchMarch 2026 · 2 min read

PDF Generation is Broken. I Fixed It with One API Call.

Every developer has been there — fighting Chrome memory leaks, broken CSS, and async timeouts just to generate a PDF. Here's how I built a better way.

Read on Medium →