How to Create a Fillable PDF in Adobe Acrobat

Creating a fillable PDF starts in Adobe Acrobat Pro, not the free Reader

Adobe Acrobat Pro is the tool that creates fillable PDFs. The free Adobe Reader cannot do this — it can only fill in forms that already exist. If you have Acrobat Pro (the paid desktop version or the web version), you can convert any PDF into a form with text boxes, checkboxes, dropdown menus, and signature fields that other people can fill in and save.

The process takes about five to ten minutes for a straightforward one-page form. You start with a PDF file, open it in Acrobat Pro, tell the software to detect form fields automatically, then add or adjust fields by hand. Once you save it, anyone with Adobe Reader or a web browser can open the file and type into it.

If you do not have Acrobat Pro, you have two other paths: use the free web version of Acrobat (which has limited form-building tools), or use a different tool like LibreOffice or Microsoft Word to create the form before converting it to PDF.

Key Takeaways

Adobe Acrobat Pro (desktop or web version) is required to create fillable PDFs; the free Reader cannot do this.
The "Prepare Form" tool in Acrobat Pro automatically detects where fields should go, then you can add, remove, or edit them by hand.
You can create text fields, checkboxes, radio buttons, dropdown lists, and signature boxes — each type serves a different purpose.
Once saved, a fillable PDF can be opened and completed in Adobe Reader, most web browsers, or emailed to others without special software.

How to use Acrobat Pro's automatic form detection

Open your PDF in Acrobat Pro. Go to the Tools menu and select Prepare Form. Acrobat will scan the document and automatically place form fields where it thinks they belong — usually wherever there is a blank line or space that looks like it is meant for input.

The software is not perfect. It may miss fields or place them in the wrong spot. That is normal. Once the automatic detection finishes, you will see the form with all the detected fields highlighted. You can now edit, delete, or add new fields manually. Click on any field to adjust its size, position, or properties.

If automatic detection misses most of your fields or places them badly, you can start over and add fields manually instead. Go back to Tools > Prepare Form and choose Start with a blank document or Start with a PDF, then use the field tools on the right side to draw each field where you need it.

Adding and configuring different field types

Acrobat Pro offers several field types, each designed for different kinds of information. Text fields let people type in answers — use these for names, addresses, phone numbers, or any open-ended response. Checkboxes let people mark yes/no or multiple-choice answers. Radio buttons force a choice between options (only one can be selected at a time). Dropdown lists show a menu of preset options. Signature fields let people sign the document digitally.

To add a field, look at the right panel in Prepare Form mode. You will see icons for each field type. Click the type you want, then click and drag on the PDF to draw the field where it belongs. Once you place it, a properties panel opens where you can set the field name, whether it is required, what options appear in a dropdown, and other details.

Field names matter because they are how you will identify the data later if you collect responses. Use clear names like "Full Name" or "Date of Birth" rather than "Field1" or "Box2". If you are collecting many forms, good field names make it much easier to organize the responses.

Setting field properties and validation rules

After you place a field, right-click it (or double-click it) to open the properties dialog. Here you can set whether the field is required, what format the answer should be in, and what happens if someone enters invalid data.

For a date field, you can require the format MM/DD/YYYY so people cannot enter "January 5th" or "5-1-2024". For a phone number field, you can set it to accept only ten digits. For a currency field, you can set it to show dollar signs and two decimal places automatically. These rules do not prevent someone from entering bad data, but they guide them toward the right format and can flag obvious mistakes.

You can also set a field to be read-only, which means people can see it but cannot change it — useful for fields that should contain information you fill in, like a form number or date issued. Some fields can be set to calculate automatically, like a total that adds up line items someone enters above it.

Testing your form before sharing it

Before you send the form to anyone, test it yourself. Save the PDF, then close it and reopen it in Adobe Reader (the free version) to see how it looks and works from a user's perspective. Try filling in every field. Check that dropdown menus show the right options, that checkboxes click properly, and that any calculations work.

Look for fields that are too small, labels that are unclear, or fields in the wrong order. If you find problems, go back to Acrobat Pro, make the changes, and save again. Test once more in Reader to confirm the fix worked.

Pay special attention to how the form looks on a phone or tablet if you expect people to fill it out on mobile devices. Some fields may be too close together or too small to tap accurately on a small screen. You may need to redesign the layout or increase the spacing between fields.

Saving and distributing your fillable PDF

Once you are satisfied with the form, save it as a PDF. In Acrobat Pro, go to File > Save As and choose PDF as the format. The file will keep all the form fields you created.

You can now share this PDF by email, upload it to a website, or print it. When someone opens it in Adobe Reader or a web browser, they will see the form with all your fields ready to fill in. They can type into text fields, check boxes, select from dropdowns, and sign signature fields. When they save the file, their answers are saved inside the PDF.

If you want to collect responses from many people, consider using a service like Adobe Sign or a form platform that integrates with Acrobat. These tools let you track who has filled out the form, send reminders, and collect all responses in one place. However, for straightforward sharing, emailing the PDF directly works fine — each person fills it out and sends it back to you.

Alternatives if you do not have Acrobat Pro

Adobe Acrobat on the web (the free version) has limited form-building tools. You can upload a PDF and try the Prepare Form tool, but you cannot add as many field types or customize them as deeply as the desktop version. It is worth trying if you already have an Adobe account, but expect fewer options.

LibreOffice (free, open-source) can create forms in its native format, then export them as PDF. The process is less intuitive than Acrobat, and the resulting forms may not work as smoothly in all PDF readers, but it is a working option if cost is a barrier.

Microsoft Word has form-building tools (under the Developer tab) that let you create fillable documents. You can then save the Word file as a PDF, though some form features may not carry over perfectly. This works best if you are starting from scratch with a Word document rather than converting an existing PDF.

Frequently Asked Questions

Can someone fill out my PDF form without Adobe Reader?

Yes. Most web browsers (Chrome, Firefox, Safari, Edge) can open and fill in PDFs with form fields. The person does not need to install any software. They can also use free PDF readers like Foxit Reader or Preview (on Mac). Only the person creating the form needs Acrobat Pro.

What happens to the answers when someone fills out my form?

When someone fills in a field and saves the PDF, their answers are stored inside that PDF file. If they email it back to you, you receive the completed form with all their responses. If you want to collect data from many people into a spreadsheet, you will need to manually copy the answers or use a form service that does this automatically.

Can I require someone to fill in a field before they save?

You can mark a field as required in the field properties, which tells the PDF reader to warn the person if they try to save without filling it in. However, this is not a hard lock — determined users can still save without completing required fields. For strict enforcement, use a form service like Adobe Sign or Google Forms instead.

How do I edit a form after I have already shared it?

Open the PDF in Acrobat Pro, go to Tools > Prepare Form, make your changes, and save. You will then need to send the updated version to anyone who has the old one. People who already filled out the old version will need to fill out the new version if you want their responses in the updated format.

Can I add images or logos to my fillable PDF?

Yes. Before you create the form, add your images and logos to the PDF using Acrobat Pro's editing tools. Then run Prepare Form to add the fillable fields. The images will stay in place behind or around the form fields.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.