Network & Hardware Diagnostics

Detect your public IP address, ISP provider, host city, and network connection info.

Inspect your browser User-Agent header, OS platform, and device architecture.

Check monitor resolution, current viewport dimensions, and Retina DPR scaling.

Probe WebRTC ICE candidates to verify VPN privacy and detect local IP address leaks.

Interactive virtual keyboard testing keycodes, rollover ghosting, and key events.

Test click speed (CPS), mouse button responsiveness, and hardware double-click bugs.

Monitor laptop and phone battery level, charging status, and remaining time.

Inspect graphics card vendor, WebGL 1/2 capabilities, max texture size, and extensions.

Full-screen color cycling test to find stuck pixels, dead pixels, and backlight bleed.

Inspect and analyze HTTP request/response headers, security policies, and caching.

Convert standard IPv4 addresses into 6to4, IPv4-mapped, and hex IPv6 formats.

Calculate network IDs, broadcast IPs, usable host ranges, and wildcard masks for CIDRs.

Lookup network hardware manufacturer and format MAC addresses with standard delimiters.

Search official and common TCP/UDP network ports, services, and default protocols.

Comprehensive syntax guide and structure explanation for all internet DNS record types.

Inspect LocalStorage, SessionStorage, cookies, and remaining origin disk quotas.

Test multi-finger capacitive touch tracking, touch coordinates, and stylus pressure.

Real-time visual tester for Xbox, PlayStation, and USB gamepad buttons and analog sticks.

Test connected webcams, live video stream resolution, frame rate (FPS), and aspect ratio.

Test audio input devices, real-time volume VU meters, and hardware sample rates.

Real-time alpha, beta, gamma gyroscope angle visualizer and 3D device orientation.

Query device light sensors to measure surrounding environmental illuminance in Lux.

Discover all installed text-to-speech voices across languages on your operating system.

Audit Progressive Web App support, service workers, push notifications, and background sync.

Benchmark browser WebAssembly execution speed, threads, and SIMD vector instructions.

Measure HTTP round-trip latency (RTT) and connection jitter to major cloud endpoints.

Calculate how long file downloads take based on internet bandwidth and file size.

Parse complex URL components, scheme, hostname, port, and query string key-value pairs.

Convert international non-ASCII domain names into standard Punycode strings (xn--).

Reference handbook explaining TLS 1.2 vs 1.3, handshake ciphers, and encryption algorithms.

Calculate Maximum Transmission Unit (MTU) overhead for TCP/IP, PPPoE, and VPN tunnels.

Estimate monthly internet usage across video streaming, gaming, and remote work.

Calculate usable disk space and redundancy for RAID 0, 1, 5, 6, 10, and 50 configurations.

Convert between 32-bit integer decimal numbers and standard dotted IPv4 strings.

Classify IP addresses into Class A, B, C private subnets, loopback, or public routable ranges.

Real-time audit of modern Web APIs (WebGPU, WebXR, WebLocks, WebAuthn, FileSystem).

Test separate left and right speaker channels with isolated panning audio chirps.

Detect monitor refresh frequency (60Hz, 120Hz, 144Hz, 240Hz) with requestAnimationFrame pacing.

Live interactive preview of Tailwind, Bootstrap, and custom screen width breakpoints.

Probe browser GPS longitude, latitude, altitude, and heading accuracy circle.

Test native HTML5 element fullscreen modes and keyboard navigation restrictions.

Inspect raw clipboard MIME types (text/plain, text/html, image/png) and permissions.

Probe browser support for scanning and communicating with nearby Bluetooth Low Energy devices.

Check hardware support for communicating with microcontrollers (Arduino, ESP32) and USB peripherals.

Test native mobile operating system share sheets for URLs, text, and file attachments.

Trigger custom vibration patterns and haptic pulses on supported smartphones.

Inspect byte sequences and unicode code points for international characters.

Structure and interpret raw WHOIS registration text, registrar names, and expiration dates.

Reference comparison of Ethernet patch cable categories, bandwidth (MHz), and max 10Gbps runs.

Comprehensive all-in-one hardware and browser benchmark scoring CPU, GPU, memory, and APIs.