Practical tutorials and guides for developers building with HTML-to-image APIs.
Generate 200+ certificates from Google Sheets in 2.5 minutes. Real performance data, no rate limits, 100% success rate.
Connect RenderPix to any app in Make.com using the HTTP module. No native integration needed.
Automate 1200×630px social preview cards for every post. Triggered on publish, no manual design work.
Generate pixel-perfect 1080×1350px carousel images from a Google Sheet automatically. No Figma, no manual work.
Puppeteer breaks on serverless, ships a 300 MB binary, and cold-starts on every new container. Here are the real alternatives and when to use each.
Comparing open source OG image generators (Satori, next/og) with hosted APIs. Which approach fits your stack, your budget, and your CSS requirements?
Wire renderpix into your CI pipeline so each merged post automatically gets a unique OG image — no manual work, no missing previews.
Design invoices in HTML and CSS, render them to high-resolution PNG on demand. No LaTeX, no PDF libraries, no design software required.
Build a certificate pipeline that generates personalized, print-ready PNGs from HTML templates. No Canva, no PDF tools, no design software.
Replace Puppeteer screenshot logic with a single fetch call. Less memory, no cold starts, and it actually deploys on Vercel.
What actually happens between your POST request and the PNG response: headless Chromium pools, pre-warmed instances, and the output pipeline.
Skip Puppeteer. Generate pixel-perfect open graph images with a fetch call — works on Vercel, edge, and anywhere Node.js runs.