Form Validation Tester

About

Form Validation Tester is a powerful Chrome extension designed for QA engineers, frontend developers, and automation testers to inspect, test, and debug form validations on any website.

🔍 Core Features
Detects all forms and fields (input, textarea, select) on any webpage
Identifies hidden, disabled, and inaccessible fields
Extracts validation rules: required, min/max length, regex patterns
Supports HTML5 input types (email, number, URL, tel)
Displays native browser validation messages
🧪 Validation Testing
Trigger validation without submitting forms
Highlights invalid fields with clear visual indicators
Auto-focuses the first invalid field
Shows validation errors using interactive tooltips
Tests boundary values for numeric inputs
🎨 Visual Debugging
Red highlights for invalid fields
Orange warnings for accessibility issues
Clean overlay UI with non-intrusive design
Smooth animations for better visibility
🛠️ QA & Debug Tools
Copy validation rules for any field
Search fields by name or ID
Detect duplicate field names
Identify missing labels and ARIA issues
Export validation reports in JSON or CSV
💎 User Experience
Modern sidebar UI with expandable views
Dark/Light mode with saved preferences
Fast scanning and filtering capabilities
🔒 Privacy & Security
No data collection or tracking
No external API calls
All processing happens locally in your browser
🎯 Ideal For
QA Engineers
Frontend Developers
Test Automation Engineers
Accessibility Auditors

Improve form quality, catch validation issues faster, and streamline your QA workflow with Form Validation Tester.