Tools for Developers & IT Pros
100 toolsNetwork diagnostics, browser testing, and hardware validation tools. DNS lookup, IP analysis, system diagnostics, display calibration, and accessibility checking.
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.
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.
Steam Deck Test
Test Steam Deck browser features: GPU, RAM, codecs, WebGPU, Web HID, gamepad and FPS benchmark. Free in-browser report.
PS5 Browser Test
Test what the PS5 hidden browser supports — codecs, WebGL, WASM, Web HID and more. Free in-browser report from Tembrica.
Xbox Browser Test
Test what the Xbox Series Edge browser supports — codecs, WebGL, WASM, Gamepad and more. Free in-browser report.
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.
OTP Auth QR Decoder
Decode a Google Authenticator / Authy QR screenshot back into its TOTP secret. Migrate to Aegis, 1Password or any other app. Runs in your browser.
KeePass Viewer
Open a KeePass .kdbx database in your browser. View entries, export to JSON / CSV, no installation. KDBX4 and KDBX3 supported.
Bitwarden Converter
Convert password vault exports between Bitwarden JSON, KeePass, Chrome, Firefox, 1Password and LastPass CSV. Runs in your browser, no installation.
Shamir Secret Sharing
Split a secret into N shares where any K of them reconstruct it. Browser implementation over GF(256) for master passwords and seed phrases.
