The fastest way to make a PDF depends on what you're starting with

If you have a document open in Microsoft Word, Google Docs, or most other programs, you can save it as a PDF without any extra software. On Windows, use File > Save As and choose PDF from the file type dropdown. On Mac, use File > Export As > PDF. If you're starting with images — photos, screenshots, or scanned pages — you'll need a different approach: either a free online converter, a dedicated tool like Adobe Acrobat Reader, or your operating system's built-in options.

The method you choose depends on whether you're converting a single document, combining multiple files, or working with images. Most people can finish in under a minute using the method that matches what they already have open.

Key Takeaways

  • Word, Google Docs, and most office programs have a built-in Save As or Export option that creates PDFs without installing anything new.
  • If you're starting with images or multiple files, free online converters like Smallpdf or ILovePDF work in your web browser with no download required.
  • Windows 10 and 11 include a Print to PDF option that works with almost any program — open the file, press Ctrl+P, and select "Print to PDF" from the printer list.
  • Mac users can export to PDF directly from the Print dialog by pressing Command+P and clicking the PDF dropdown in the bottom left.
  • Adobe Acrobat Reader (the free version) lets you combine multiple PDFs or images into one file, though the paid version has more features.

Converting a Word document or Google Doc to PDF

Open the document you want to convert. In Microsoft Word, click File in the top left, then click Save As. A window will open showing where the file will be saved. Below the filename, you'll see a dropdown that says "Word Document" or similar. Click that dropdown and scroll down to find "PDF" in the list. Click it, then click Save.

In Google Docs, click File at the top, then hover over Download. A submenu will appear with several format options — click "PDF Document (.pdf)". Your browser will download the file to your Downloads folder. The process is the same in Google Sheets and Google Slides.

Both methods preserve the formatting, fonts, and layout of your original document. The PDF will look identical on any computer, phone, or tablet, which is why PDFs are useful for sharing documents that need to look the same everywhere.

Using Print to PDF on Windows

If you're working in a program that doesn't have a Save As option — like a web page, email, or older software — you can use Print to PDF. This works on Windows 10 and 11. Open the document or page you want to convert, then press Ctrl+P on your keyboard. A print dialog will open.

At the top where it says "Printer," click the dropdown menu. Scroll down and look for "Print to PDF" or "Microsoft Print to PDF." Click it. Then click the Print button. A window will ask you where to save the file and what to name it. Choose your location, type a name, and click Save. Windows will create the PDF in that location.

This method works with almost any program on your computer — Word, email, web browsers, PDFs themselves, and many others. It's the most reliable fallback when the program doesn't have its own PDF export option.

Using Print to PDF on Mac

On a Mac, the process is built into the Print dialog itself. Open the document or page you want to convert, then press Command+P. The print dialog will open. In the bottom left corner, you'll see a dropdown that says "PDF." Click it and select "Save as PDF" from the menu that appears.

A new window will open asking where to save the file and what to name it. Type your filename, choose the folder where you want it saved, and click Save. Mac will create the PDF immediately. This method works in almost every program on your computer, just like Print to PDF on Windows.

Converting images to PDF using online tools

If you have photos, screenshots, or scanned pages that you want to turn into a PDF, free online converters work well. Go to Smallpdf.com or ILovePDF.com in your web browser. Both sites have a button that says something like "Choose Files" or "Select Images." Click it and select the image files from your computer. You can usually select multiple images at once.

The tool will show you a preview of how the PDF will look. If you selected multiple images, you can drag them to reorder them. Once you're happy with the order, click a button like "Create PDF" or "Convert." The site will process your images and let you download the PDF file to your computer. The whole process takes less than a minute.

These tools are free and don't require you to create an account. They work on any computer or phone with a web browser. Your files are deleted from the site's servers after a few hours, so your privacy is protected.

Combining multiple PDFs or images into one file

If you have several PDF files or images that you want to merge into a single PDF, the same online tools work well. On Smallpdf.com or ILovePDF.com, look for an option called "Merge PDF" or "Combine PDF." Click it, then select all the files you want to combine. The tool will show them in order — you can drag them to rearrange if needed. Click the merge button, and download your combined PDF.

Adobe Acrobat Reader (the free version) also has a combine feature. Open Acrobat Reader, click the Tools icon on the left, then look for "Combine Files." Click it, then click "Add Files" and select the PDFs or images you want to merge. Arrange them in the order you want, then click "Combine" at the bottom. Save the resulting PDF to your computer.

If you only need to combine a few files, the online tools are faster. If you plan to do this regularly, downloading Adobe Acrobat Reader gives you the feature available offline without relying on an internet connection.

Scanning paper documents directly to PDF

If you have a physical document and a scanner, most scanner software can save directly to PDF. Place your document in the scanner, open the scanner's software on your computer, and look for a dropdown or button that says "File Type" or "Format." Change it from "JPG" or "Image" to "PDF." Then click Scan. The scanner will create a PDF file and save it to your computer.

If your scanner didn't come with software, or you can't find the format option, scan the document as an image (JPG) instead, then use one of the online converters mentioned above to turn the image into a PDF. This takes one extra step but produces the same result.

Some phones and tablets have built-in scanner apps that can save to PDF. On iPhone, open the Notes app, tap the camera icon, then tap "Scan Documents." Scan your page, and when you're done, tap Save. The scan will be saved as a PDF in your Notes. On Android, Google Drive has a similar feature — open Drive, tap the plus icon, then tap "Scan."

Frequently Asked Questions

Can I make a PDF from a web page?

Yes. Press Ctrl+P on Windows or Command+P on Mac while viewing the page. In the print dialog, select "Print to PDF" (Windows) or "Save as PDF" (Mac) from the printer dropdown. Click Print or Save, and your web page will be converted to a PDF. Some content like videos won't be included, but text and images will be.

What's the difference between saving as PDF and printing to PDF?

Saving as PDF (File > Save As) is faster and preserves the original formatting exactly. Printing to PDF works with any program and is useful when Save As isn't available, but the result depends on what the Print dialog includes. For most documents, both methods produce identical PDFs.

Why is my PDF file so large?

PDFs with high-resolution images or many pages take up more space. If your file is too large to email or upload, you can compress it using free online tools like Smallpdf.com or ILovePDF.com. Look for a "Compress PDF" option, upload your file, and download the smaller version.

Can I edit a PDF after I create it?

Basic editing (adding text, highlighting, or drawing) is possible in Adobe Acrobat Reader (free). For more advanced editing like moving pages or changing images, you'll need Adobe Acrobat Pro (paid) or a free alternative like LibreOffice Draw. Most people find it easier to edit the original document and create a new PDF rather than editing the PDF itself.

Do I need special software to make a PDF?

No. Windows and Mac both have built-in PDF creation through Print to PDF or Export as PDF. Most office programs like Word and Google Docs have Save As PDF. Free online converters work in any web browser. You only need to download software if you plan to do advanced editing or combining regularly.