How to Create a Fillable PDF Form from Scratch

Fillable PDFs let recipients type directly into your forms. Here's how to create them.

What Are Fillable PDFs?

Interactive forms with:
- Text fields for typing
- Checkboxes for selections
- Radio buttons for single choice
- Dropdown menus
- Date pickers
- Signature fields

Recipients fill them digitally instead of printing and writing.

Method 1: Convert Existing Document

From Word:

1. Create your form in Word
2. Where you want fields, leave blank space or underlines
3. Export to PDF
4. Use LexoSign to add form fields
5. Position fields over blank spaces

From Any PDF:

1. Upload existing PDF
2. Add form fields where needed
3. Configure field properties
4. Save fillable version

Method 2: Adobe Acrobat Pro

Full form creation:

1. Tools > Prepare Form
2. Select source (PDF, scan, or new)
3. Auto-detect fields or add manually
4. Configure each field
5. Save

Field types available:
- Text fields
- Checkboxes
- Radio buttons
- Dropdowns
- List boxes
- Buttons
- Signature fields

Method 3: Online Form Builders

Browser-based options:

1. Upload blank form or template
2. Drag and drop field types
3. Position and size fields
4. Set properties
5. Download fillable PDF

Form Field Types Explained

Text Fields

For typed responses:
- Single line (name, email)
- Multi-line (comments, addresses)
- Can set character limits
- Can require specific formats

Checkboxes

For yes/no or multiple selections:
- Square boxes
- Can allow multiple selections
- Good for lists of options

Radio Buttons

For single selection from options:
- Circular buttons
- Only one can be selected
- Group related options

Dropdown Lists

For selecting from many options:
- Saves space
- Good for long lists
- Can allow custom entry

Date Fields

For date input:
- Formatted date entry
- Calendar picker (some tools)
- Automatic formatting

Signature Fields

For electronic signatures:
- Designated signing area
- Can require signature
- Triggers signing workflow

Designing Effective Forms

Layout Best Practices

Clear structure:
- Group related fields
- Use logical flow (top to bottom, left to right)
- Leave adequate space between fields

Labels:
- Place labels above or beside fields
- Be specific ("First Name" not "Name")
- Use consistent formatting

Field Sizing

Text fields:
- Width matches expected input length
- Height allows for comfortable typing
- Multi-line for longer responses

Selection fields:
- Large enough to click easily
- Consistent sizing throughout

Required Fields

Mark mandatory fields:
- Asterisk (*) next to label
- Set field as required
- Provide error messages

Advanced Form Features

Calculations

Some tools support:
- Auto-sum fields
- Calculated totals
- Conditional values

Example: Order form totaling prices automatically.

Validation

Ensure correct input:
- Email format checking
- Number ranges
- Required field alerts
- Date format verification

Conditional Logic

Show/hide fields based on answers:
- "If yes, provide details"
- Skip irrelevant sections
- Dynamic form behavior

Submit Buttons

For form submission:
- Email form data
- Submit to server
- Print filled form

Testing Your Form

Functionality Check

Before distributing:
1. Fill out every field
2. Test validation rules
3. Try submitting/saving
4. Check in different PDF readers

User Testing

Have others test:
- Is it intuitive?
- Any confusing fields?
- Does tab order make sense?
- Are instructions clear?

Distributing Fillable Forms

Via Email

Send as attachment:
- Recipients fill and return
- Or fill and print
- Works with any PDF reader

Via Website

Embed or link:
- Download link on webpage
- Embed in web page
- Cloud storage link

Form Collection

Gathering completed forms:
- Email submissions
- Upload portals
- Print and mail

Common Form Issues

Fields Don't Appear

Cause: Form fields are layered
Fix: Check for overlapping elements

Can't Type in Field

Cause: Not a fillable field
Fix: Add proper form field

Tab Order Wrong

Cause: Fields added out of sequence
Fix: Reorder tab order in properties

Form Won't Save

Cause: Reader restrictions
Fix: Enable "Reader Extensions" or save as different file

Accessibility Considerations

Make forms usable by everyone:
- Add tooltips/descriptions
- Use clear labels
- Ensure keyboard navigation
- Test with screen readers
- Provide sufficient contrast

Conclusion

Creating fillable PDFs involves:

1. Design your form layout
2. Add appropriate field types
3. Configure properties and validation
4. Test thoroughly before distributing

Create fillable forms - add interactive fields to any PDF.

Well-designed forms save time for you and your respondents.