Randomly.online
×

HTML to PDF Converter Tool

PDF Settings

HTML Input
CSS Input (Optional)
Live Preview Ready
PDF to JPG JPG to PDF Merge PDF Split PDF Compress PDF Excel to PDF Markdown to PDF JSON to PDF

About Our HTML to PDF Converter

In the modern web development landscape, the need to convert dynamic web content into static, printable formats is ubiquitous. Randomly.online presents a sophisticated, client-side HTML to PDF converter designed for developers, designers, and content managers who require precision and privacy. Unlike traditional server-side converters that require uploading sensitive data to a remote cloud, our tool leverages advanced browser capabilities to render and generate PDFs directly within your device's memory. This is particularly useful for developers who might also need to reverse the process using our PDF to HTML converter.

The dual-pane interface is engineered for productivity. On the left, a robust code editor accepts raw HTML, CSS, and even allows for file uploads, while the right pane offers an instant, high-fidelity preview. This immediate feedback loop eliminates the trial-and-error process typically associated with generating print styles. Whether you are paginating a long blog post, formatting a resume, or generating an invoice from a template, our tool respects your CSS media queries and layout rules. If you are working with text-based data, you might also find our Text to PDF converter useful for simpler documents.

Furthermore, we understand the importance of customization. The integrated settings panel gives you granular control over the final output. You can effortlessly switch between standard ISO paper sizes like A4 and Letter, adjust margins to millimeter precision, and toggle background graphics. The unique "Simulate Page Breaks" feature overlays visual guides onto your preview, helping you visualize exactly where content will split across pages—a common pain point in web-to-print workflows. For improved reading comfort during late-night coding sessions, you can also try our Dark Mode PDF Viewer.

How to Use This Tool

Getting started with the HTML to PDF converter is intuitive, designed to fit seamlessly into your workflow. Follow these simple steps to generate professional documents:

1. Input Your Content: You have three ways to bring content into the workspace. You can type or paste raw HTML directly into the main editor pane. Alternatively, use the "Upload HTML" button to load a local file from your computer. If you want to start quickly, click "Insert Template" to load a sample invoice structure that you can modify.

2. Style Your Document: While inline CSS works perfectly, we provide a dedicated CSS editor pane below the HTML editor. You can paste your stylesheets here or upload a `.css` file. The Live Preview pane on the right will update instantly as you type, rendering the styles just as a browser would.

3. Configure PDF Settings: Before generating the file, expand the Settings panel. Select your desired paper size (e.g., A4 for international docs, Letter for US). Adjust the margins if you need more whitespace. If your document requires pagination, you might also want to explore our Add Page Numbers tool. If you are creating a print-heavy document, consider enabling the "Simulate Page Breaks" option; this draws dashed red lines on the preview to show you exactly where the page cuts will occur.

4. Generate and Download: Once you are satisfied with the preview, click the "Generate PDF" button. A progress indicator will appear as the engine captures the rendering. Within moments, your browser will prompt you to save the high-quality PDF file. Since the process is client-side, it is incredibly fast and works offline once the page is loaded.

Frequently Asked Questions

Is my data secure? Do you store my HTML files?

Security and privacy are the core pillars of Randomly.online's architecture. This HTML to PDF converter operates entirely "client-side." This means that the conversion logic (the code that turns HTML into a PDF) runs inside your own web browser (Chrome, Firefox, Safari, etc.) using JavaScript. Your HTML code, CSS styles, and any data you paste into the editor are never sent to our servers. We do not store, view, or analyze your content. If you are handling sensitive documents, you may also be interested in our Add Watermark to PDF tool for extra protection.

Why does the PDF look different from the web page?

Web pages and PDF documents are fundamentally different media. Web pages are "continuous," meant to scroll infinitely, whereas PDFs are "paginated," split into fixed-size sheets. Differences often arise because standard CSS styles are designed for screens, not paper. To fix this, our tool supports standard CSS print properties. If your layout breaks awkwardly, try adding a CSS rule like `.page-break { page-break-after: always; }` in your code to force a new page. Also, ensure you have checked or unchecked "Background Graphics" in the settings if colors or images are missing; web browsers often disable printing background colors by default to save ink, but our tool allows you to override this.

Can I use external images or fonts in my HTML?

Yes, but with some considerations regarding Cross-Origin Resource Sharing (CORS). If you link to an image hosted on another server (e.g., <img src="https://example.com/image.jpg">), that server must allow external access for the image to appear in the generated PDF canvas. If an image appears in the live preview but is missing or black in the final PDF, it is likely a CORS issue. To guarantee images render correctly, we recommend converting your images to Base64 strings using our Image to Base64 tool and embedding them directly into the HTML `src` attribute. Regarding fonts, system fonts render fastest, but web fonts (like Google Fonts) will work if defined in your CSS.