The following information provides two methods for inputting characters with the same character spacing in between:
- Use Comb Field tool under Fill & Sign in Foxit PhantomPDF or Foxit Reader
- Use Text field tool under Form in Foxit PhantomPDF
Use Comb Field tool under Fill & Sign in Foxit PDF Editor or Foxit PDF Reader
1:Open PDF file with Foxit PDF Editor or Foxit PDF Reader ,Choose Protect>Fill & Sign ,select Comb Field in the Fill group.
2:Click on desired area where you want to add texts in continuous boxes in a line there,and input your text.
3:Click 
or 
to decrease or increase the size. Drag the resize handle on the right side of the field can also help you adjust the width of the field. The adjustments to size will be remembered and applied as the default.
This comb field tool would spread text evenly across the width of the text field, which is very useful when you are filling in phone numbers, social security numbers, etc.
Note: this method only applies to Foxit PhantomPDF/Foxit Reader v10.0, Foxit PDF Editor/Foxit PDF Reader V11.0 and above ,comb Field tool will be grayed out and unavailable in interactive form file.
Use Text field tool under Form in Foxit PDF Editor
1:Open PDF file with Foxit PDF Editor,Choose Form ,select Text field in Form Fields group.
2:Drag and move your mouse to the desired area to create a text field.
3:Right click on the created text field> Properties>Options, please uncheck all of other check boxes there and only select the check box for Combo of Characters and input the total number of the characters as you need,click Close.
4:Switch to Hand mode and click on the form field to fill in texts,you will find that each character entered in the field is separated evenly across the width of the text field.
If a border color is specified, Solid or Dashed Line is selected in the Appearance tab in Text Field Properties window, each character entered in the field is separated by lines of that color.
