Puppeteer Alternative
PDFBolt HTML to PDF API
Generate PDFs with the same Chromium engine – without managing Chrome, Docker, or memory leaks.
A REST API that works with any language. No Node.js required, no infrastructure to maintain.
Managed Cloud
vs Self-Hosted
Any Language
vs Node.js Only
99.9% SLA
vs No Guarantee
One API Call
vs Browser Management
Library
Puppeteer
Open-source JavaScript library by Google for Chrome and Firefox automation and testing, with PDF generation as a secondary feature via page.pdf(). Also available as puppeteer-core without bundled browser. You host and manage the Chromium infrastructure. 94K GitHub stars, Apache 2.0 license.
Modern API
PDFBolt
PDF generation API that converts HTML, URLs, and reusable templates to PDF using the same Chromium engine as Puppeteer. Three endpoints (Direct, Sync, Async), webhooks, direct upload to your S3 bucket, and AI-powered template generation. Works with any programming language – no Node.js required.
Puppeteer vs PDFBolt: Feature Comparison
Infrastructure, rendering, PDF features, language support, and pricing compared side by side.
Puppeteer | PDFBolt | |
|---|---|---|
| Infrastructure | ||
Type | Node.js library | Cloud REST API |
Scaling | Manual (containers, browser pools) | Automatic |
Uptime SLA | None | 99.9% |
| Rendering | ||
Rendering Engine | Chromium | Chromium |
CSS3 & Modern JavaScript | ||
| PDF Features | ||
Print Production (PDF/X, CMYK) | ||
PDF Compression | External tools needed | Built-in |
Reusable Templates | ||
| Integration | ||
Languages Supported | Node.js only | Any (REST API) |
Async + Webhooks | Build your own | Built-in |
Direct S3 Upload | Build your own | Built-in |
Price | Free (+ infrastructure costs) | Free 100/mo, paid from $19/mo |
Why Switch from Puppeteer to an API
Puppeteer is built for browser automation, not PDF generation.
Using it for PDF means managing infrastructure that has nothing to do with your product.
Infrastructure you have to manage
Puppeteer auto-downloads Chromium, but you still need a server with enough RAM, system libraries (libnss3, libatk, dbus), and font packages. Production deployments typically run Puppeteer in Docker, adding container management to the stack. Chrome doesn’t launch on Alpine without manual dependencies.
Memory leaks and zombie processes
Each Chromium instance uses 200-500 MB of RAM. A confirmed memory leak (GitHub #5893) causes gradual accumulation. If your Node process crashes mid‑render, orphaned Chrome processes remain. On a 2 GB VPS, 10-20 concurrent renders is the ceiling before OOM kills start.
Node.js lock-in
Puppeteer is a JavaScript library – there is no official SDK for Python, PHP, Java, Go, or Ruby. Pyppeteer (Python port) has been largely unmaintained since February 2024. PuppeteerSharp (C#) is community-maintained with its own release cycle.
No built-in queue or webhooks
Puppeteer has no async processing, no webhook callbacks, and no retry logic. For production use you need to build your own job queue (Redis, Bull, RabbitMQ), implement error recovery, and write S3 upload code.
Chromium updates you have to manage
Puppeteer releases roughly weekly, and many releases bundle a new Chromium version. Updates can change rendering behavior and break existing PDF output. You must test each update and redeploy. Pin a version and you miss security patches.
Cold starts and scaling complexity
Chromium cold starts add hundreds of milliseconds before rendering begins. Each PDF request spawns 4-6 Chromium processes (renderer, GPU, network, utility). Serverless deployments face additional challenges with package size limits and cold starts.
Puppeteer vs PDFBolt: A Closer Look
How the differences in infrastructure, developer experience, and PDF features affect real projects.
Infrastructure and Scaling
Puppeteer
Running Puppeteer in production means provisioning servers with enough RAM for Chromium, installing system dependencies (libnss3, libatk, dbus, font packages), and managing the Chrome process lifecycle. Deploying on AWS Lambda requires a special minimized package (@sparticuz/chromium) to fit within Lambda’s 250 MB size limit. At scale, you need browser pools, health checks, and auto‑restart on crashes.
PDFBolt
PDFBolt handles all infrastructure – Chromium instances, scaling, process management, and updates. The async endpoint processes documents in parallel and sends results via HMAC-SHA256 signed webhook, with direct upload to your S3-compatible bucket. No Docker, no Lambda packaging, no browser pools. Usage monitoring and request logs are available in the Dashboard.
Developer Experience
Puppeteer
A basic HTML to PDF script in Node.js with Puppeteer requires 15-20 lines of code: launch a browser, create a page, set content, configure PDF options, generate, close the page, close the browser, and handle errors at each step. You need to manage the browser lifecycle carefully – unclosed browsers leak memory, and unhandled crashes leave zombie processes. The API is JavaScript-only, so Python, PHP, Java, Go, and Ruby teams must build HTTP wrappers or use unofficial ports.
PDFBolt
PDFBolt converts HTML to PDF with a single HTTP POST request from any language. Send Base64‑encoded HTML or a URL to the /v1/direct endpoint and receive a PDF back. Most Puppeteer page.pdf() options map directly to PDFBolt parameters – format, margins, headers, footers, printBackground, pageRanges, and scale. The playground lets you test before writing code.
PDF-Specific Features
Puppeteer
Puppeteer’s page.pdf() covers basic PDF generation – page size, margins, headers/footers, and page ranges. But it has no built-in PDF compression (you need Ghostscript or qpdf), no print production output (PDF/X-4, CMYK, ICC profiles), no template system, and no way to manage or reuse designs. Tagged/accessible PDFs are experimental and not production-ready. For anything beyond basic HTML to PDF, you need additional libraries.
PDFBolt
PDFBolt adds features that Puppeteer does not have natively: PDF/X-4 and PDF/X-1a print production with CMYK conversion and ICC profiles (Fogra39, Fogra51, SWOP, GRACoL), built-in PDF compression at four levels, tagged/accessible PDFs, and a Handlebars-based template system with a visual designer and AI template generation. Learn more about Handlebars templates and AI template generation.
How to Migrate from Puppeteer to PDFBolt
Replace your Puppeteer script with a simple REST API call.
See how to switch from Puppeteer, Pyppeteer, PuppeteerSharp, chrome‑php, or Grover.
Puppeteer
const puppeteer = require('puppeteer');
async function generatePdf() {
const browser = await puppeteer.launch();
const page = await browser.newPage();
const html = '<h1>Invoice #1042</h1><p>Amount: $250.00</p>';
await page.setContent(html, { waitUntil: 'load' });
await page.pdf({
path: 'invoice.pdf',
format: 'A4',
margin: { top: '20mm', bottom: '20mm' },
printBackground: true
});
await browser.close();
}
generatePdf();
PDFBolt
const fs = require('fs');
async function generatePdf() {
const html = '<h1>Invoice #1042</h1><p>Amount: $250.00</p>';
const response = await fetch(
'https://api.pdfbolt.com/v1/direct', {
method: 'POST',
headers: {
'API-KEY': 'XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX',
'Content-Type': 'application/json'
},
body: JSON.stringify({
html: Buffer.from(html).toString('base64'),
format: 'A4',
margin: { top: '20mm', bottom: '20mm' },
printBackground: true
})
}
);
const pdfBuffer = await response.arrayBuffer();
fs.writeFileSync('invoice.pdf', Buffer.from(pdfBuffer));
}
generatePdf();
When to Choose Puppeteer
Need full browser automation beyond PDF – testing web apps, scraping, screenshots
Already have Puppeteer infrastructure and PDF generation is a side feature
Need pixel-perfect Chrome control – custom flags, extensions, request interception
Need offline or air-gapped PDF generation with no internet connectivity
Very low volume and already have a server with Node.js installed
When to Choose PDFBolt
PDF generation is a core feature – invoices, reports, contracts
Want to avoid managing Chromium infrastructure, Docker, and browser pools
Need PDFs from languages other than Node.js – Python, PHP, Java, Go, Ruby, Rust, C#
Need async processing at scale with webhooks and direct S3 upload
Need print production (PDF/X, CMYK) or built-in PDF compression
Need GDPR-compliant processing with zero data retention and 99.9% uptime SLA
What Developers Say About PDFBolt
See how teams save time and reduce complexity with our developer‑first PDF solution.
"It has a very intuitive User Interface and easy to use API with a great documentation. What's best, that the support is super fast and even feature requests are discussed and implemented in just a couple of days. It helps us to create individualised PDF gift cards both for digital use as well as print production on the base of modern HTML / CSS."
"Amazingly, the owner personally helped solve the issues I was having creating an exported lesson plan with hyperlinks and complex styling. This is a great piece of software. But more importantly, it’s the people behind a product that truly make a company great. His willingness to support my project without payment is truly unique – a rare product and a rare individual. This product just works. Thank you, PDFBolt!"
"There's a lot of products that convert to PDF out there, but this one stood out to me, because the output quality is good, it's very easy to use, and pay per use. I also love the interactive API documentation, my request just worked out of the box in my app. And of course the focus on privacy, which is important when working with GDPR data. (...) PDFBolt just works, so I can focus on the business logic."
Frequently Asked Questions
Common questions about using Puppeteer for PDF generation and switching to PDFBolt.
Is Puppeteer free?
Can I use Puppeteer for PDF generation in production?
Does PDFBolt use Chromium under the hood?
What about Pyppeteer for Python?
Do I need to change my HTML when migrating from Puppeteer?
How does Puppeteer compare to Playwright for PDF generation?
