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Your data is processed locally in your browser and is never uploaded to any server.
How to Use
- Paste your TOON format data into the input field
- Click "Validate TOON" to check for issues
- Review errors (critical issues), warnings, and info messages
- Fix issues based on suggested corrections
- Revalidate after making changes
- Use for linting and code quality checks
Each line should follow [type:depth] value format
✗ Validation Failed
Lines
1
Errors
0
Warnings
0
Info
0
Validation Rules
- Format: Each line must be [type:depth] value
- Type: Must be string, number, boolean, null, array, object, or key
- Depth: Must be a non-negative integer
- Strings: Should be quoted with double quotes
- Numbers: Must be valid numeric values
- Booleans: Must be 'true' or 'false'
- Containers: Should indicate content count
Why Validate TOON?
- Ensure consistent token format across your data
- Detect structural issues early
- Validate token count accuracy
- Check depth consistency and nesting
- Prepare data for tokenization systems
- Maintain data quality standards
Frequently Asked Questions about TOON Validator & Linter
Paste your TOON code into the validator. It will check for syntax errors and structural correctness.