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HTML to PDF APIProfessional HTML to PDF API for High‑Quality Document Conversion

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The Most Reliable HTML to PDF API

Transform your HTML documents into perfectly rendered PDFs with our enterprise‑grade conversion API. Trusted by developers for its reliability, speed, and pixel‑perfect accuracy.

500

Free PDFs per Month

99.995%

Uptime Guarantee

100%

Customer Satisfaction

Why Choose PDFBolt for HTML to PDF Conversion

High-quality PDF generation from HTML with PDFBolt's fast Chrome-based rendering engine

High-Quality PDF Output

Achieve pixel-perfect PDFs that look exactly like your source HTML. PDFBolt uses a real Chrome-powered rendering engine, so it faithfully reproduces modern HTML5, CSS3, and JavaScript. Fonts, images, layouts, and styles are preserved in the generated PDF, ensuring professional results every time.

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Developer using PDFBolt's HTML to PDF API with simple integration for any tech stack

Developer-Friendly Integration

PDFBolt's HTML to PDF API is built for developers, offering simple endpoints, clear documentation, and ready-to-use code examples. Compatible with any programming language (JavaScript, Python, Ruby, PHP, Java, C#, etc.), if you can make an HTTP request, you can use PDFBolt. Its asynchronous conversion and detailed logging provide full control and transparency during integration.

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Scalable HTML to PDF conversion infrastructure handling thousands of documents daily

Reliable, Fast & Scalable

Convert HTML to PDF in seconds. Our infrastructure is optimized for speed and can scale to thousands of conversions. Whether you're generating a single PDF or handling high-volume batch conversions, PDFBolt handles the load with ease, making it ideal for startups and enterprise use alike.

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Secure and GDPR-compliant HTML to PDF conversion with privacy protection

Secure & GDPR-Compliant

Your HTML content and generated PDFs are handled with security and privacy as top priorities. All data processing occurs on European servers to meet EU data residency requirements. PDFBolt is fully GDPR compliant – converted files are automatically deleted from our servers within 24 hours. You can confidently convert sensitive data knowing it remains private and protected.

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Illustration showing that no external PDF libraries are needed thanks to PDFBolt's API

No External Libraries Needed

Forget the hassle of installing or updating PDF libraries like wkhtmltopdf or Puppeteer, and managing headless browsers yourself. With PDFBolt, you only need to call our RESTful API – eliminating maintenance overhead and compatibility issues. Our API is always up-to-date, automatically providing you with the latest improvements and security patches.

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How to Convert HTML to PDF via Our API

  • Sign Up for a Free API Key

    Create a free PDFBolt account (no credit card required) to obtain your API key for our powerful HTML to PDF conversion service. Every account includes 500 free HTML to PDF conversions per month, allowing you to test the service risk-free.

  • Make a Simple API Request

    Convert a webpage URL or HTML content directly to a high‑quality PDF with our Chrome‑powered API. Customize with headers, footers, and styling options. For larger tasks, use asynchronous mode with a webhook to receive the PDF when it's ready. Our API is designed for seamless HTML to PDF integration.

  • Receive Your PDF Securely

    Your PDF is delivered quickly and securely. You can choose to upload them directly to your S3 bucket. Access your logs easily — no sensitive data is collected, and we are fully GDPR‑compliant. Documents saved on our servers are automatically deleted after 24 hours.

Get Started with One Simple cURL Command

curl 'https://api.pdfbolt.com/v1/direct'
 --header 'Content-Type: application/json'
 --header 'API_KEY: YOUR_API_KEY'
 --data '{
        "html": "PGgxPkhlbGxvITwvaDE+PHA+VGhpcyBpcyBteSBQREYgZG9jdW1lbnQuPC9wPg==",
        "format": "A4",
        "margin": {
            "top": "20px",
            "right": "20px",
            "bottom": "20px",
            "left": "20px"
        }
}' --output example.pdf

# Note: The HTML above is base64 encoded from:
# <h1>Hello!</h1><p>This is my PDF document.</p>
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Common Questions About Our HTML to PDF API

PDFBolt's HTML to PDF API converts HTML content or URLs into high-quality PDF documents via simple HTTP requests. Instead of managing complex PDF libraries yourself, our cloud-based HTML to PDF conversion service handles everything. Developers can integrate this API with just a few lines of code, eliminating infrastructure headaches while ensuring professional PDF output across all platforms.
Unlike wkhtmltopdf or Puppeteer, PDFBolt's HTML to PDF API requires zero installation or maintenance. Our cloud service uses an optimized Chrome engine for superior HTML to PDF conversion without the infrastructure complexity. We manage all scaling, updates, and optimization automatically. This serverless approach is ideal for environments where running browser engines is challenging, delivering perfect PDFs with a single API call.
Yes, PDFBolt's HTML to PDF conversion produces professional-grade documents using Chrome's rendering engine. Our technology accurately processes HTML5, CSS3, and JavaScript, preserving all styling elements in the final PDF. Even complex content with custom fonts, SVG graphics, and responsive designs renders perfectly. This makes our HTML to PDF API ideal for business-critical documents where presentation quality matters.
Absolutely. PDFBolt's HTML to PDF API excels at converting both public and private content. For dynamically generated HTML, simply send the Base64-encoded HTML content in your API request. This enables efficient PDF generation from any source, including internal systems, pre-publication materials, or HTML generated on-the-fly by your application. Our HTML to PDF conversion process is optimized to handle content from any origin with consistent, high-quality results.
Security is built into every aspect of PDFBolt's HTML to PDF conversion process. All transmissions use encrypted HTTPS, and processing occurs on secure, isolated servers. We follow a strict no-storage policy — your HTML and PDF files aren't permanently stored. Our EU-based infrastructure ensures GDPR compliance while giving you complete control over data security.
Integrating our HTML to PDF API is simple. The RESTful API works with any programming language that makes HTTP requests. We provide code examples for Node.js, Python, PHP, Ruby, and Java. Just authenticate with your API key and specify the HTML content or URL to convert. The API returns your PDF file or a download link. Start with 500 free monthly conversions to test before scaling to a plan that matches your HTML to PDF needs.

Secure HTML to PDF Conversion for Your Documents

PDFBolt's HTML to PDF API ensures maximum security when converting sensitive documents. Our secure PDF generation process combines enterprise‑grade encryption with high‑speed conversion technology you can trust.

Encrypted HTML to PDF conversion protects confidential data.

Private document processing with no sensitive data storage.

GDPR-compliant PDF generation for regulatory compliance.

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