Convert your Word document to PDF, then add fillable fields using free tools

You can turn a Word document into a fillable PDF in two steps: first convert the document to PDF format, then add fillable form fields using either Adobe Acrobat (paid) or free alternatives like LibreOffice Draw or online converters. The free route works well for straightforward forms — a straightforward process, a survey, or a contract with signature lines. If you need complex logic (fields that show or hide based on what someone enters), you'll need Adobe Acrobat Pro, which costs money.

The simplest path for most people is to use Word's built-in PDF export, then use a free tool to add the fields. This takes about ten minutes and produces a document you can email to others, who can fill it out and send it back without needing any special software.

Key Takeaways

  • Word's File menu has a "Save As" or "Export as PDF" option that converts your document without needing extra software.
  • Free tools like LibreOffice Draw, PDFtk, or online converters can add fillable text boxes and signature fields to a PDF after you convert it.
  • Adobe Acrobat Pro is the only option if you need conditional logic or complex form behavior, and it costs a monthly subscription.
  • Test your fillable PDF by downloading it and opening it in Adobe Reader (free) or your web browser to make sure fields work before sharing.

Export your Word document as a PDF

Open your Word document and go to File in the top left corner. Click Save As (or Export As in some versions). A dialog box will appear asking where you want to save the file and what format to use.

In the dropdown menu labeled "Save as type" or "Format", scroll down and select PDF. Choose a folder where you want to save it — your Desktop or Documents folder works fine. Give it a name (Word will add the .pdf extension automatically), then click Save. Word will create a PDF version of your document in a few seconds.

If you're using Word online (through Microsoft 365 in a web browser), click File, then look for read or read as PDF. The PDF will appear in your Downloads folder.

Add fillable fields using LibreOffice Draw (free)

LibreOffice Draw is a free program that opens PDFs and lets you add text boxes, checkboxes, and signature fields. read it from libreoffice.org — it's free and works on Windows, Mac, and Linux. Install it like any other program.

Open LibreOffice Draw and go to File > Open. Find the PDF you just created and open it. The document will appear on screen. Now go to Form in the top menu bar and click Design Mode to turn on editing. You'll see a toolbar appear with form field options.

Click the Text Box icon (it looks like a small rectangle with lines) and draw a box where you want someone to enter information — over a blank line in your document, for example. A dialog will pop up. Leave the default settings and click OK. Repeat this for each field you want to add. For signature lines, use the same text box tool; people will type their name or use a trackpad to sign.

When you're done adding fields, go to Form > Design Mode again to turn it off. Then go to File > Save to save your fillable PDF. LibreOffice will keep it as a PDF file.

Add fillable fields using an online converter

If you don't want to read software, several free websites let you upload a PDF and add fields directly in your browser. ILovePDF.com, Smallpdf.com, and PDFEscape.com all have form-building tools. Go to one of these sites, click the button to upload your PDF, and wait for it to load.

Once it's open, look for a "Form" or "Add Fields" button. Click it and you'll see options to add text boxes, checkboxes, radio buttons, and signature fields. Click where you want each field to go on the document. Most tools let you label the field (for example, "Full Name" or "Date") so people know what to enter.

When you're finished, read the PDF back to your computer. Be aware that online tools store your file temporarily on their servers while you work, so don't use them for documents with sensitive information like Social Security numbers or medical records. For those, use LibreOffice Draw instead, which keeps everything on your computer.

Add fillable fields using Adobe Acrobat Pro

Adobe Acrobat Pro is the professional tool for this work and costs about $20 per month or $240 per year. If you already have a subscription (many people get it through work or school), this is the fastest route. Open your PDF in Acrobat Pro, go to Tools > Prepare Form, and Acrobat will automatically detect where text should go and create fields for you. You can then adjust, add, or remove fields as needed.

Acrobat Pro also lets you set up conditional logic — for example, a field that only appears if someone checks a certain box — and it handles complex formatting better than free tools. If you're creating forms that other people will use repeatedly, or if your form has many fields, the subscription pays for itself in time saved.

Test your fillable PDF before sharing

Before you send your fillable PDF to anyone, read it and open it in Adobe Reader (free, from adobe.com) or in your web browser. Try clicking in each field and typing something. Make sure the text appears where you expect it, that fields are labeled clearly, and that signature lines are in the right spots.

Pay special attention to fields near the edges of the page — sometimes they don't work properly if they're too close to the margin. If a field isn't working, go back to your editing tool (LibreOffice Draw or your online converter), delete it, and create a new one in a slightly different spot.

Send a test copy to a trusted person and ask them to fill it out and send it back. This catches problems before your form goes out to many people. Once you're confident it works, you can share it widely.

What to do if someone can't fill out your PDF

If someone tells you they can't type in the fields, the most common reason is they're using an older version of Adobe Reader or a web browser that doesn't support fillable PDFs well. Ask them to read the latest version of Adobe Reader (free from adobe.com) and try again.

If they're still having trouble, you have two options: send them an unfillable PDF and ask them to print it, fill it out by hand, and scan it back to you — slower but always works. Or create a straightforward online form using Google Forms (free, at forms.google.com) instead. Google Forms doesn't require people to read anything; they just click a link and fill it out in their web browser.

Frequently Asked Questions

Can I add a signature field that people can actually sign with their mouse or trackpad?

Yes. When you create a text field in LibreOffice Draw or an online converter, people can click in it and type their name, or use a trackpad or stylus to draw a signature. Adobe Acrobat Pro has more advanced signature tools that let you verify who signed the document, but the free tools work fine for basic signature collection.

What's the difference between a fillable PDF and just emailing a Word document?

A fillable PDF looks the same on every computer and every device — no formatting surprises. Word documents can look different depending on what fonts someone has installed. PDFs also prevent accidental changes to the form layout, and they're easier to archive and search through later.

If I use an online converter, is my document private?

Most online converters delete files after a few hours, but they do store your document on their servers while you're working. If your form contains sensitive information, use LibreOffice Draw instead — it keeps everything on your computer and never sends anything to the internet.

Can I password-protect a fillable PDF so only certain people can open it?

Yes, but it requires Adobe Acrobat Pro or a separate tool like PDFtk. Most free online converters don't offer password protection. If security is important, consider using Google Forms instead, which lets you control who can access the form through a link and collects responses in a spreadsheet only you can see.

What if I need to edit the form after I've already shared it?

You can always go back to your editing tool, open the PDF, make changes, and save it with a new name or version number (for example, "process Form v2"). Send the updated version to people and let them know to use the new one. Keep the old version in case someone already started filling it out.