HTML to PDF

Convert HTML to PDF documents with one click! Then, click the Options button to set the page layout, watermark, and rights management.

Use our Webpage to PDF converter when you need to convert web pages.

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How to Convert Html to PDF online:

  1. Step1_Paste the URL
    Click the Select a file button above, or drag and drop an HTML file into the drop zone.
  2. Step2_Click the Options button
    Click the "Options" button to change the default conversion settings. Then click the "Convert" button.
  3. Step3_Waiting
    Please wait once the file conversion starts. The conversion will be completed within a few seconds.
  4. Step4_Download
    Click the download button to save your new PDF.

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More about HTML to PDF Converter

  • Simple and easy

  • Quick and easy conversion

  • Drag the HTML file you want to convert to the box above. The HTML converter will convert it to PDF in a flash. Use the optional settings to select a paper size or apply a watermark.

  • High quality

  • High quality conversion

  • Our service uses a browser engine based on Chromium, a free and open-source web browser project developed and maintained by Google, which renders identically to the Google Chrome browser. Therefore, we can convert HTML files written for most browsers based on Chromium, including Google Chrome, Microsoft Edge, Samsung Internet, and Opera, into high-quality PDFs.

  • Handling page breaks

  • Handling page breaks

  • The HTML pages of a report or paper form need to be separated by sections for printing, and web page developers use tags in CSS, such as page-break-before, page-break-after, and page-break-inside, to accomplish this task. Our HTML converter fully supports the tag, so you can ensure that the beginning of each chapter starts on a new page.

  • Automatic creation of bookmarks

  • Automatic creation of bookmarks

  • Our HTML converter will automatically create bookmarks when converting to PDF by referring to tags such as h1, h2, and h3 in the HTML file. If you check bookmarks in the options, converting an HTML file to PDF will automatically create a table of contents and internal links that you can use as in-page navigation. Now, you can jump directly to the section you need in the converted PDF.

  • Page orientation settings

  • Page orientation settings

  • If your HTML page is too wide, the PDF conversion will crop to the width of the page by default. If you select the Print paper in landscape orientation option, some content may not be cropped as the page can accommodate more landscape width. You can also use the Scale PDF option to optimize the perfect PDF quality.

  • Page size settings

  • Page size settings

  • If the content in your HTML exceeds the default size of the paper or contains a lot of white space, the page will be cropped when converted to PDF. Adjusting page size options and margins can help prevent content loss and improve readability when converting to PDF. Our service also supports the ‘@media print’ tag, a media query in CSS. If you have HTML that separates the styles used on the web from those required for print, checking this option will ensure that your design is optimized for print.

Optimization settings in the HTML converter

Optimization settings

The default options for converting HTML to PDF are great, but you can also use additional advanced settings to customize PDF generation. Use the advanced settings if you need more control and security over your PDF output.

  1. Page settings: You can select the HTML page size to convert or customize the page size. Select the portrait or landscape orientation of the PDF paper when saving, or set margins and zoom ratio.

  2. Header/Footer: You can additionally insert the contents of a header/footer when saving HTML to PDF.

  3. Conversion settings: Set the conversion format to save or specify the delay in seconds for rendering the web page before the HTML is saved as a PDF.

  4. Watermark: You can add additional watermarking when converting HTML to PDF. You can make various settings for the watermark.

HTML file icon

What is an HTML file?

HTML is the backbone of most web content today and is used to create web pages. This file format is a markup language used to organize and display information on a website, including text, images, videos, and interactive elements. HTML content is dynamic and responsive, meaning it can adapt to different screen sizes and devices, including smartphones, tablets, and desktops. It is typically displayed through a web browser and is the foundation for creating modern, interactive websites.

PDF file icon

What is a PDF file?

PDF is a document file format designed for sharing documents with a consistent, fixed layout. PDFs are ideal for printable documents such as manuals, reports, and forms because they retain their formatting regardless of the device or software used. PDFs can also include multimedia elements, annotations, and forms, but they are primarily used for static, finished documents. PDFs can be viewed using a PDF reader, such as Adobe Acrobat, or directly in a modern web browser.

What is the difference between HTML and PDF?

Differences Between HTML and PDF
Purpose Icon

Purpose

HTML is designed for dynamic web-based content that can be updated and adjusted, whereas PDF is intended for static, print-ready documents that ensure layout consistency.

Layout Icon

Layout

HTML is responsive and dynamically adapts to different screen sizes, while PDFs maintain a fixed layout that doesn't change across devices.

Interactivity Icon

Interactivity

HTML supports advanced interactivity through forms, animations, and scripts, whereas PDF is limited to basic forms and annotations.

Accessibility Icon

Accessibility

HTML content is generally easier to access and modify directly on the web, while PDFs require a PDF reader and specialized tools for editing.

What are the benefits of converting HTML to PDF?

Benefits of converting HTML to PDF Icon
Consistency and portability of documents

Consistency and portability of documents

  1. Consistent output: PDFs maintain a fixed layout, so they always look the same regardless of the browser or device environment.

  2. Offline accessibility: Unlike HTML, PDFs can be read without an internet connection, making them perfect for sharing and storing documents.

Security and control features

Security and control features

  1. Password protection: PDFs can be encrypted and access permissions set to protect personal or corporate sensitive information.

  2. Restrict editing: PDFs can be distributed as read-only or restrict certain editing capabilities.

Print-friendly format

Print-friendly format

  1. Accurate print output: PDFs can be set to the exact paper size, margins, and resolution, so there's no loss of quality when printing.

  2. Eliminate browser dependency: PDFs eliminate styling issues that can occur with HTML when printing for optimal output.

Compatibility and long-term preservation

Compatibility and long-term preservation

  1. Universal compatibility: PDF is supported as a standard format, regardless of operating system and software, and can be easily opened on any device.

  2. Ideal for archiving documents: Standards like PDF/A are recognised as the best format for long-term preservation of documents.

Supported Browsers

Our free online HTML to PDF converter supports the latest versions of all commonly used browsers, including Chrome, Firefox, Edge, Safari, Opera, and Internet Explorer browsers.

ChromeChrome
FirefoxFirefox
EdgeEdge
SafariSafari
OperaOpera

How does Webtopdf.com convert HTML to PDF?

HTML to PDF Conversion Process
Parsing the HTML document

1. Parsing the HTML document

The conversion engine is based on the open source project Chromium. The conversion task starts by parsing the input HTML.

  1. The HTML file is loaded and tokenized.

  2. Constructs a DOM tree to represent the structure of the HTML document.

Processing Style Sheets

2. Processing Style Sheets

The next step is to parse the CSS.

  1. Parses all CSS styles to create a CSSOM (CSS Object Model).

  2. Combine the CSSOM with the DOM to see the styles computed for all DOM elements.

Create the Render Tree

3. Create the Render Tree

Combine the DOM and CSSOM to form a render tree.

  1. The render tree contains only elements that are relevant to the rendering and are visible.

  2. Invisible elements (e.g., display: none) are excluded from this process.

Layout calculation

4. Layout calculation

The Layout process is calculated.

  1. It calculates the position, size, and alignment of each element on the page.

  2. Content is split into pages based on the specified page size.

Render the page content

5. Render the page content

This process draws the content from the render tree onto a virtual canvas.

  1. All visible elements, including text, images, backgrounds, and borders, are rasterized or vectorized.

  2. Images and vector graphics are handled in the PDF at their original resolution.

Embed Fonts

6. Embed Fonts

Text objects are processed for rendering, and any custom fonts used on the page are embedded in the PDF to ensure consistent output.

  1. During this process, the fonts are subset to include only the characters used in the document to minimize file size.

  2. If embedding is not possible, alternative system fonts are used.

Create PDF page objects

7. Create PDF page objects

A PDF page object is created for each page.

  1. Content is placed according to layout calculations.

  2. Vector graphics, raster images, and text elements are encoded in PDF format.

Generate the PDF File

8. Generate the PDF File

The individual page objects are compiled into one PDF file.

  1. PDFs are created in compliance with the ISO 32000 standard.

  2. The PDF file includes all content, embedded fonts, and additional metadata.

Convert HTML to PDF easily with C#

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FAQs about the HTML conversion tool

  • Is it safe to convert HTML to PDF online?

    It's safe to perform PDF conversion using our tool. Our system automatically deletes all uploaded and converted files after 1 hour to protect your sensitive data.

  • I tried to upload an HTML file, but it keeps failing.

    Our system will automatically block the upload if it determines that your uploaded file contains malware. Please double-check that the HTML is legitimate.

  • The content of the generated PDF is cropped.

    Set the paper orientation to landscape in the conversion options or adjust the paper size and scale.

  • How do I specify that HTML areas do not break between converted PDF pages (so they stay on the same page)?

    Specify each page break in the HTML document you want to convert using the 'page-break' tag. After that, the PDF pages will be created according to the specified page breaks when you attempt to convert.

  • The content in the converted PDF appears to be missing CSS styles. What should I do?

    This is caused by uploading only an HTML file with missing CSS, JavaScript, and other style-related files linked to the HTML. Please convert all the linked files to a single 'mhtml' file and try again.

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