Web & HTTP Diagnostic Tools
HTTP inspection and web diagnostic tools including header analysis, response time measurement, API testing, WebSocket testing, and protocol version checking. Built for web developers, DevOps engineers, and site reliability engineers.
HTTP Headers
Inspect HTTP response headers
Inspect HTTP response headers from any URL. Analyze caching directives, security headers, server information, and content negotiation headers for debugging and optimization.
Response Time
Measure response time per phase
Measure HTTP response time broken down by DNS lookup, TCP connection, TLS handshake, and server processing phases. Identify performance bottlenecks.
HTTP Method Check
Check supported HTTP methods
Test which HTTP methods (GET, POST, PUT, DELETE, OPTIONS, etc.) are supported by a server endpoint. Useful for API testing and security auditing.
Cookie Analyzer
Analyze Set-Cookie headers
Analyze cookies set by web servers including attributes like Secure, HttpOnly, SameSite, expiration, and path. Check for security best practices in cookie configuration.
HTTP/2 Check
Check HTTP/2 support
Check if a web server supports HTTP/2 protocol. Verify ALPN negotiation and protocol upgrade capabilities.
HTTP/3 QUIC Check
Check HTTP/3 QUIC support
Check if a web server supports HTTP/3 with QUIC protocol. Verify Alt-Svc header and UDP-based transport availability.
OG Preview
Preview Open Graph meta tags
Preview how a URL appears when shared on social media by inspecting Open Graph and Twitter Card meta tags. Verify og:title, og:description, og:image, and more.
API Tester
Send HTTP API requests
Send custom HTTP requests with configurable methods, headers, and body content. A mobile REST client for testing APIs on the go.
WebSocket Tester
Test WebSocket connections
Connect to WebSocket servers, send and receive messages, and monitor connection status. Essential for testing real-time applications and WebSocket APIs.
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Requires iOS 16.0 or later. Free to download.