Contact Our Team
Have feedback, discovered a JSON parsing edge case, or have an idea to make Format & Validate Json even better? We'd love to hear from you.
Prefer email? Reach our maintainers at:
Send Us a Message
When reporting a JSON parsing or formatting discrepancy, please include:
- A minimal reproducible JSON snippet
- Expected vs. actual line/column error report
- Your browser version and operating system
Please do not submit real production secrets, API credentials, or passwords in message forms. Always sanitize code before sending.
Common JSON Validation Issues
Before submitting a bug report, check whether your payload contains one of these three standard RFC 8259 syntax violations:
In JavaScript, dangling commas after the final element in an object or array are allowed. However, in strict JSON (RFC 8259), trailing commas cause parsing failures.
{"key": 1,}Valid:
{"key": 1}All JSON object keys and string values must use standard double quotes ("). Single quotes (') or backticks are rejected by standard JSON parsers.
{'name': 'test'}Valid:
{"name": "test"}Control characters, literal line breaks, tabs, and unescaped double quotes inside string values break lexical parsing. Use proper escape sequences (\n, \t, \").
"line1
line2"Valid:
"line1\nline2"Frequently Asked Questions
Find fast answers regarding support response times, feature submissions, bug reporting requirements, and API availability.
What is your typical response time for inquiries?▼
Our engineering team reviews incoming developer inquiries, parser edge-case reports, and feedback regularly. You can typically expect a response within 24 to 48 business hours.
How can I submit feature requests or format suggestions?▼
You can submit feature requests directly through our contact form by selecting the "Feature Suggestion" category. Provide details on your proposed transformation, schema validation requirement, or workflow enhancement.
What details should I include when reporting a JSON parser bug?▼
To help us diagnose parser discrepancies quickly, please include: 1) A minimal reproducible JSON snippet (with sensitive data sanitized), 2) The expected behavior versus the actual line/column error reported, and 3) Your browser and operating system version.
Do you offer a hosted backend API for automated JSON validation?▼
No. Format & Validate JSON is architected strictly as an in-browser client-side application to ensure zero data transmission and absolute confidentiality. For automated CI/CD or backend validation, we recommend integrating standard CLI packages (such as jq or ajv) directly into your build pipeline.

