Tools for Developers & IT Pros
138 toolsNetwork diagnostics, browser testing, and hardware validation tools. DNS lookup, IP analysis, system diagnostics, display calibration, and accessibility checking.
Phone Check
Screen, touch, cameras, microphone, speakers, vibration, sensors and battery — one at a time, with a report at the end
Phone Benchmark
Get a 0–100 score for your phone in 10 seconds — CPU, GPU, RAM, display, network, and health.
Keyboard Test
Test every key, detect ghosting, measure latency and typing speed
Phone Keyboard Test
Type a phrase and we verify the output — catching autocorrect, missing letters and lag
Gyroscope Test
Test your phone's gyroscope, accelerometer, and motion sensors. 3D visualization, spirit level, graphs, accuracy test, CSV export.
Bluetooth Audio Test
Test any Bluetooth audio device: headphones, speakers, earbuds, car audio. Measure latency, check speaker channels, test mic quality.
Printer Test
Check your printer in seconds with Quick Test or run detailed diagnostics with Professional mode. Color bars, nozzle check, grayscale, text sharpness, and more.
Monitor Color Test
Check color accuracy, gamma, contrast, and gradients — all in the browser
GPU Benchmark
WebGL-based GPU benchmark that tests particles, 3D geometry, and shaders. Produces a score from 0 to 10,000. Includes stress test mode.
CPU Benchmark
Test your processor speed with single-thread and multi-thread benchmarks
Camera Test
Test your webcam for resolution, FPS, sharpness, noise, lighting, and color accuracy.
Bluetooth Keep Alive
Prevent your Bluetooth speakers, headphones, car audio, and hearing aids from disconnecting. An inaudible keep-alive signal stops Bluetooth timeout.
Keep Screen On
Keep your screen on and prevent your device from sleeping — works right in your browser, no installation needed.
Screenshot Tool
Capture your screen, paste from clipboard, or upload an image — annotate, crop, blur and export.
Screenshot Beautifier
Add device or browser frames, gradient backgrounds, shadows and rounded corners to screenshots. Razor-sharp 2x/4x PNG export. In your browser.
Photo markup
Annotate photos and screenshots — arrows, numbered steps, text, blur faces, filters and layers. Paste from clipboard, copy back in one click.
VR Headset Test
WebXR diagnostic suite for FOV, tracking, refresh rate, spatial audio and display dead pixels — runs inside your headset browser
VR Compatibility Test
Check WebXR support, GPU, CPU, RAM, sensors and bandwidth — then see which VR headsets match your hardware
Joy-Con Tester
Test Nintendo Joy-Con stick drift, buttons, gyroscope and accelerometer in your browser via Web HID. No download. Free.
Console Browser Test
What your console browser can do: codecs, WebGL, WebGPU, Web HID, gamepad. One report for PS5, Xbox, Switch and Steam Deck.
Codec Support Test
Check which audio and video codecs your browser supports — H.264, H.265, AV1, VP9, Opus, AAC, FLAC. Free, in your browser.
Password Generator
Password generator with strength meter, pronounceable mode, pattern syntax, bulk export. Cryptographically secure via Web Crypto API.
Passphrase Generator
Memorable passphrase generator using diceware-style word selection. 2048-word list, configurable separators, capitalization, and live entropy.
TOTP Generator
Generate TOTP secrets for two-factor authentication. Live 6-digit code, QR for Google Authenticator / Authy / Aegis, RFC 6238 compliant.
