INI Validator

Validate INI file syntax — sections, key=value pairs and comments — and get the offending line numbers, instantly and privately in your browser.

Learn more: Validating Data Formats ExplainedWell-formedness vs schema validity, per-format pitfalls (JSON, YAML, XML, CSV) and how to fix them.

Runs entirely in your browser — nothing you enter is uploaded or stored.

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INI Validator

Validate INI file syntax — sections, key=value pairs and comments — and get the offending line numbers, instantly and privately in your browser.

Paste your ini on the left and the result is produced instantly — entirely in your browser. Your data never leaves the page, which you can confirm from the Network panel or our privacy policy.

Frequently asked questions

How do I use the INI Validator?

Paste or type your ini on the left and the result appears on the right — copy or download it. Everything runs in your browser.

Is my data uploaded anywhere?

No. This tool runs entirely in your browser — your input is never sent to a server. You can verify it in the Network tab or in our Content-Security-Policy.

Is the INI Validator free?

Yes — completely free, no sign-up and no limits. Everything happens client-side.

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