Analyze CORS headers to identify cross-origin request configuration issues. Everything runs locally in your browser — nothing is uploaded.
Generate CORS headers for your API by configuring allowed origins, methods, and headers.
Analyze HTTP request and response headers — detect security headers, review formatting, and inspect value structure. Everything runs locally in your browser — nothing is uploaded.
Browser device info, user-agent parser, HTTP status codes reference, MIME types lookup, Basic Auth header generator, Open Graph meta tags generator, and keycode inspector.
Convert CSV data to Markdown tables, NDJSON, SQL INSERT statements, HTML tables, or analyze statistics and find data quality issues.
Convert JSON objects to INI config file format with section headers and key-value pairs. Perfect for configuration file generation.
CORS Inspector lets you analyze CORS headers to identify cross-origin request configuration issues. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Analyze CORS headers to identify cross-origin request configuration issues. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text area.
Yes. After the initial page load, CORS Inspector runs entirely on your device with no internet connection needed. All processing is done locally.
Analyze CORS headers to identify cross-origin request configuration issues. Everything runs locally in your browser — nothing is uploaded. All processing runs locally — no code is sent to any server.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check the tool description for specifics.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. Formatters use well-known libraries (sql-formatter, Prettier-compatible patterns) and follow widely adopted rules.