WebToolArcDevice & Media Tools
Free browser-based device & media tools with instant results and no account required.
Online Screen Recorder
Record a browser tab, application window, or screen directly in your browser.
Device & Media ToolsMic Test / Microphone Test
Test whether your microphone is working and monitor live input level.
Device & Media ToolsWebcam Test
Test your webcam with a live private browser preview.
Device & Media ToolsKeyboard Test
Test keyboard keys and see key presses in real time.
Device & Media ToolsMouse Test
Test mouse buttons, movement, clicks, and scroll wheel events.
Device & Media ToolsDead Pixel Test
Check a display for stuck or dead pixels with fullscreen solid colors.
Device & Media ToolsScreen Resolution Checker
Check screen, viewport, pixel ratio, orientation, and color depth instantly.
Device & Media ToolsScreen Size Calculator
Calculate the physical width, height, area, pixel density, and dot pitch of a display.
Device & Media ToolsRefresh Rate Test
Estimate your display refresh rate and browser frame interval in real time.
Device & Media ToolsDevice Info
Inspect browser-reported screen, viewport, language, platform, memory, and capability information.
Device & Media ToolsOnline Ruler
Measure on-screen lengths in centimeters and inches with optional physical calibration.
Device & Media ToolsGamepad Tester / Controller Tester
Test connected gamepad buttons, triggers, sticks, and axes in real time.
Device & Media ToolsSpeaker Test
Test left, right, and both stereo speaker channels in your browser.
Device & Media ToolsKey Code Tester
Inspect browser keyboard events including key, code, location, repeat state, and modifiers.
Device & Media ToolsKeyboard Ghosting Test
Test how many keyboard keys your browser receives at the same time.
Device & Media ToolsMouse Jitter Test
Inspect pointer-path smoothness and small movement variation in the browser.
Device & Media ToolsScroll Wheel Test
Test mouse-wheel and trackpad scroll events, direction, and delta values.
Device & Media ToolsMouse DPI Calculator
Estimate effective mouse DPI from measured physical travel and pointer movement.
Device & Media ToolsTouchscreen Test
Test touch or pen pointer events and multi-touch contacts in the browser.
Device & Media ToolsDisplay Test
Run a browser display test for solid colors, grayscale, contrast steps, and sharpness patterns.
Device & Media ToolsScreen Gradient Test
Inspect a display for visible gradient banding with configurable grayscale and color ramps.
Device & Media ToolsFrame Time Test
Measure browser animation frame intervals and estimate frame-time consistency.
Device & Media ToolsMotion Clarity Test
Run a controllable moving-object test for browser display motion inspection.
Device & Media ToolsOnline Mirror
Use your webcam as a private browser mirror with zoom and mirror controls.
Device & Media ToolsMedia Device Checker
List browser-visible microphones, cameras, and audio outputs after permission is granted.