Frequently Asked Questions

HTMLtoPDF.ac is a fast, reliable API service that converts HTML content to PDF documents. It's powered by Puppeteer and designed for developers who need to generate PDFs at scale with minimal setup.

Simply send a POST request to our API endpoint with your HTML content and API key. Our service uses Puppeteer to render your HTML and convert it to a high-quality PDF. The conversion happens in milliseconds, and you receive the PDF file as a response.

We offer four pricing tiers: Free (100 conversions/month), Starter ($29/month for 5,000 conversions), Pro ($99/month for 50,000 conversions), and Business ($299/month for 500,000 conversions). All plans include API access and support.

Yes, you need to sign up and generate an API key to use our service. The free tier allows you to test the API with 100 conversions per month at no cost. Simply sign up, verify your email, and generate your API key.

Our API supports all modern HTML, CSS, and JavaScript features that Puppeteer can render. This includes CSS Grid, Flexbox, custom fonts, images, SVG, and even JavaScript-rendered content. We support both inline styles and external stylesheets.

Yes! You can customize page size (A4, Letter, etc.), orientation (portrait/landscape), margins, headers, footers, background graphics, and more. Check our documentation for the complete list of customization options.

Rate limits vary by plan. Free tier has lower limits, while paid plans have higher limits. All plans include rate limiting to ensure fair usage and system stability. Check your plan details for specific limits.

Most conversions complete in under 1 second. Simple HTML documents convert in milliseconds, while complex pages with images and JavaScript may take 1-3 seconds. Our infrastructure is optimized for speed and reliability.

Currently, we support HTML input and PDF output. You can send HTML as a string, URL, or file. The output is always a high-quality PDF file that's compatible with all PDF readers.

Absolutely! Our API is designed for both personal and commercial use. All paid plans are suitable for production applications. Make sure to review our terms of service for specific usage guidelines.

Yes, webhooks are available on Starter, Pro, and Business plans. You can configure webhooks to receive notifications about conversion status, usage limits, and other events. Check our documentation for webhook setup.

Free tier includes basic email support. Starter and Pro plans include priority support with faster response times. Business plan includes dedicated support with SLA guarantees. We also maintain comprehensive documentation and code examples.

Yes, security is a top priority. All API requests use HTTPS encryption. We don't store your HTML content or generated PDFs after conversion. API keys are securely hashed. We follow industry best practices for data security and privacy.

Yes, you can cancel your subscription at any time. There are no long-term contracts. When you cancel, you'll continue to have access until the end of your billing period. You can also downgrade or upgrade your plan at any time.

We offer a 14-day money-back guarantee for all paid plans. If you're not satisfied with our service within the first 14 days, contact us for a full refund. Free tier users can cancel anytime without charges.