JSON Config Validator
Upload or Paste JSON
Common Issues & Examples
❌ Missing End Quote
{ "passwordAdmin": "Thisisapassword }Missing closing quote and comma
❌ Trailing Comma
{ "name": "test", }Remove the comma before closing brace
❌ Missing Quotes
{ name: "test" }Property names must be in quotes
✅ Correct Format
{ "passwordAdmin": "Thisisapassword", }Proper quotes and comma placement
Validation Help
What this validator checks:
- • JSON syntax with precise error highlighting
- • Arma Reforger config requirements
- • Common configuration mistakes
- • Port ranges and data types
- • Mod and admin UUID formats
Error highlighting features:
- • Red highlights show exact error locations
- • Specific suggestions for each error type
- • Line and column numbers for easy fixing
- • Context-aware error analysis
Common fixes:
- • Add missing closing quotes and commas
- • Remove trailing commas before closing braces
- • Add quotes around property names
- • Check bracket/brace matching
- • Verify required fields are present