Form Logic Designer
Design dynamic behaviors using a glassmorphic node canvas and inject interactive AcroJS logic into PDF forms.
Form Logic Configuration
Drag and drop an AcroForm PDF here to design field dependency rules.
Upload Interactive PDF Form
About This Tool
Interactive Form Logic Designer is a pioneering tool that fills a massive gap in PDF capabilities: creating active, responsive fields instead of flat, dead forms.
Through our visual canvas featuring "glowing glassmorphic nodes" (built on React Flow), form fields are represented as connected modules. You can drag links to define relationships: e.g., when a checkbox is checked ➜ enable a text input ➜ auto-calculate values and update a total field.
Once designed, the AcroJS engine compiles the logic into official Acrobat JavaScript and injects it into the '/AA' (Additional Actions) dictionaries of the AcroForm. The interactive behaviors are then executed natively inside any standard PDF reader.
How to Use
Upload Interactive PDF
Provide a PDF file that already has active form fields (AcroForm).
Map Out Logic in Canvas
Connect fields as nodes. Link output events (change, blur) to target actions (show, hide, calculate, disable).
Compile and Download
Inject the compiled JavaScript logic into the PDF dictionary and save the final smart document.
Use Cases
Smart Sales Contracts
Show or hide supplementary input fields dynamically based on the client's selected terms.
Automated Expense Forms
Sum up multiple expense lines and compute taxes dynamically without manual calculation.
Interactive Questionnaires
Skip irrelevant questions based on previous answers, providing a cleaner mobile filling experience.
Frequently Asked Questions
Do I need a PDF with pre-existing fields?
Yes. This tool is designed to bind logical rules to existing fields. If your PDF does not have interactive fields, use our Form Creator tool to add inputs and check boxes first.
Will this logic run on any PDF reader?
It runs on all PDF readers that comply with Adobe PDF standards and support Acrobat JavaScript (such as Adobe Acrobat Reader, Foxit Reader, and major web browsers). Minimalist mobile readers might support basic actions only.
Does this affect paper printing?
Not at all. The injected scripts only run on-screen during form completion. When printing, the current state of fields is printed statically without any node visualization.