Tools for Developers & IT Pros
84 toolsNetwork diagnostics, browser testing, and hardware validation tools. DNS lookup, IP analysis, system diagnostics, display calibration, and accessibility checking.
Secure USB Wipe
Overwrite files with random data before deletion — make recovery impossible. Works on USB drives, SD cards, and any folder. No software to install.
QR Code Generator
Generate customizable QR codes for URLs, text, WiFi, vCard, email, SMS, phone, WhatsApp, and locations.
Barcode Generator
Create barcodes in 16 formats. Download crisp SVG or PNG, or print directly.
Barcode Scanner
Scan any barcode or QR code from camera or uploaded image. Get product info, links, and more.
Random Number Generator
Generate random numbers, roll dice, flip coins, pick from lists, create passwords. Crypto-secure, instant, free.
USB Drive Tester
Detect fake USB drives and verify real capacity — like h2testw, but in your browser.
Vibration Test
Test your device vibration motor with patterns, diagnostics, and a custom builder.
Refresh Rate Test
Measure your monitor refresh rate with precision frame timing. Detect Hz, analyze jitter, explore display capabilities, and test motion smoothness — all in your browser.
Battery Checker
Free online battery checker.
Dead Pixel Test
Check your screen for dead, stuck, and hot pixels with 21 test patterns and built-in repair tool
Phone Display Test
Check your phone screen for dead pixels, touch issues, backlight bleed, burn-in, and color accuracy.
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
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.
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