Bracket Matcher

Check if brackets, parentheses, and braces are balanced

Supported Brackets

( ) Round Parentheses | [ ] Square Brackets | { } Curly Braces | < > Angle Brackets

How to Check Balanced Brackets

  1. Paste code or text with brackets into the input
  2. Tool automatically checks for matching pairs
  3. View validation results: balanced or errors
  4. See error positions and which brackets are unmatched

Bracket Matcher Features

  • Multiple Bracket Types: Validates (), [], and
  • Error Detection: Identifies unmatched, mismatched, or extra brackets
  • Position Reporting: Shows exact line and character of errors
  • Real-Time Validation: Checks as you type
  • Detailed Messages: Explains what's wrong and where
  • 100% Free: No limits on text length or usage

Why Bracket Matching Matters

Unbalanced brackets are a common syntax error in programming. Missing a closing } or having an extra ( causes code to fail compilation or execution. Bracket matchers help debug these issues before running code.

Balanced brackets follow strict rules: Every opening bracket must have a matching closing bracket in the correct order. [( )] is valid, but [( ]) is not (brackets closed in wrong order). This is validated using a stack data structure.

Use cases: Validating code before compilation, debugging syntax errors in JSON/JavaScript/Python, checking mathematical expressions for correctness, finding missing brackets in complex nested structures, and ensuring proper nesting in template engines.

Privacy & Security

All bracket validation happens locally in your browser. Your code and text are never uploaded to servers, stored, or logged. The validation uses JavaScript, keeping your data completely private.