All Screen Tools & Utilities
Browse our complete catalog of 50+ free browser tools. Test your monitors, enjoy ambient visual effects, run fullscreen timers, or simulate update screens.
Screen Tests
Solid colors and test patterns for checking dead pixels, uniformity, burn-in and color accuracy.
White Screen
A clean fullscreen white screen for lighting, cleaning your monitor, tracing and spotting dead pixels.
Black Screen
A pure fullscreen black screen for finding stuck pixels, checking backlight bleed and dimming a display.
Red Screen
A solid fullscreen red screen for testing red subpixels, night-friendly light and color backdrops.
Green Screen
A bright fullscreen green screen for chroma key backdrops, green subpixel checks and uniformity tests.
Blue Screen
A saturated fullscreen blue screen for blue subpixel tests, chroma keying and cool ambient light.
Yellow Screen
A fullscreen yellow screen that lights red and green subpixels together, or works as a warm light.
Orange Screen
A warm fullscreen orange screen for cozy ambient light, sunset-toned photos and color comparisons.
Pink Screen
A soft fullscreen pink screen for flattering selfie light, mood lighting and pastel backdrops.
Purple Screen
A rich fullscreen purple screen for ambient room light, streaming backdrops and color checks.
Cyan Screen
A fullscreen cyan screen that lights green and blue subpixels together to reveal channel defects.
Magenta Screen
A fullscreen magenta screen that lights red and blue subpixels together, ideal for spotting tints.
Gray Screen
A neutral fullscreen gray screen for spotting clouding, banding and dirty screen effect on panels.
Dead Pixel Test
Cycle full-screen solid colors to inspect your display for dead, stuck or hot pixels by eye.
Screen Uniformity Test
Even gray fields with an optional grid overlay to reveal clouding, vignetting and backlight bleed.
Monitor Test
A full set of monitor test patterns: gradients, grids, gamma, sharpness, checkerboards and color bars.
OLED Gray Test
Near-black gray steps that expose OLED banding, near-black flicker and uneven low-light uniformity.
OLED Burn-In Test
Solid color fields and an auto-cycle mode to help you see image retention and burn-in on OLED panels.
Screen Burn-In Test
Check any LCD, OLED or plasma screen for burn-in and image retention, then run a white-sweep or color fixer to clear it.
Touch Screen Test
Find dead zones and test multi-touch: fill a grid with your finger, draw freely, or see every touch point live.
Screen Refresh Rate Test
Measure your display's refresh rate in Hz live in the browser, with frame times, late frames and a motion check.
Monitor Ghosting Test
Moving targets on dark, mid-gray and light backgrounds reveal ghosting, smearing and overshoot on your monitor.
Frame Rate Test
Compare 15, 24, 30, 60 FPS and your display's maximum side by side to see how frame rate changes motion.
Screen Color Test
Color bars, RGB ramps and saturation steps for checking color accuracy, banding and tint.
Screen Resolution Test
See your screen resolution, viewport size, pixel ratio and color depth, plus a 1-pixel sharpness pattern.
Visual Effects
Animated static, noise, gradients and simulated effects that run right in your browser.
No Signal Screen
A retro "No Signal" display with color bars or a floating message box, with your own custom text.
White Noise Generator
Free online white noise generator with filters, volume, a sleep timer and a live waveform or TV static visual.
Brown Noise Generator
Deep, rumbling brown noise generated live in your browser, with filters, volume, a sleep timer and a live waveform.
Pink Noise Generator
Balanced pink noise that sounds like steady rain, with filters, volume, a sleep timer and a live waveform.
Broken Screen Prank
Tap to shatter a realistic glass screen, with spider-web cracks, glass shards and a crack sound. A harmless prank.
Hacker Typer
Mash any key to "type" convincing code like a movie hacker, or let it auto-type at your chosen speed.
Hacked Screen Simulator
A fake "system breached" screen with glitching text, scrolling logs, a fake progress bar and a warning siren. A harmless prank.
Visual Noise
Customizable animated pixel noise in mono, color or tinted modes with adjustable grain and speed.
Color Changing Screen
Smoothly cycle the whole screen through the color wheel, or step between colors at your own pace.
Gradient Screen
Build an animated fullscreen gradient with your own colors, angle and speed, or pick a preset.
Screensavers
Classic and modern screensavers for idle monitors, TVs and second screens.
Matrix Screensaver
Cascading digital rain with adjustable speed, color, character set and font size.
Flip Clock Screensaver
A large live flip clock with 12- or 24-hour time, optional seconds and light or dark themes.
DVD Screensaver
The classic bouncing DVD logo that changes color on every bounce, with a corner-hit counter.
Motivational Quote Screensaver
Rotating inspirational quotes in large type on calm backgrounds, with a timer, shuffle and an optional clock.
Fake Screens
Clearly labeled, harmless simulations of update screens and video calls for pranks, props and film sets.
Fake Windows 10 Update
A harmless simulation of a classic blue "working on updates" screen with a configurable progress.
Fake Windows 11 Update
A simulated modern dark update screen with spinning dots and a progress percentage you control.
Fake Blue Screen of Death
A realistic Windows Blue Screen of Death prank with the :( face, a rising percentage, stop codes, and Windows 10, 11, black and classic XP styles.
Fake Mac Update
A simulated minimalist desktop update screen with a slim progress bar and time remaining.
Fake Android Update
A simulated phone system update screen with installing steps and a progress you can configure.
Fake Windows XP Update
A nostalgic simulation of a 2000s-era install screen with a blocky progress bar and setup messages.
Fake Windows XP Boot
A retro boot screen simulation with the iconic sliding progress blocks on a black background.
Fake Chrome OS Update
A simulated light, friendly laptop update screen with a progress bar and changing status steps.
Fake Ubuntu Update
A simulated Linux terminal upgrade that prints package logs and a text progress bar.
Fake Zoom Meeting Screen
A gallery-view meeting simulation in a dark theme with a toolbar, timer, webcam preview and active-speaker outline.
Fake Teams Meeting Screen
A Teams-style meeting simulation with a dark stage, participant tiles, a top control bar with a Leave button and a running meeting timer.
Fake Google Meet Screen
A Google Meet-style meeting simulation with rounded participant tiles, initial avatars, a blue speaking outline and round call controls.
Fake Slack Huddle
A compact audio huddle simulation with Slack-styled avatars, live speaking rings and an active huddle timer.
Fake Radar Screen
A fullscreen sci-fi radar with a rotating sweep, fading blips, range rings and live coordinates. Pure simulation.
Timers & Utilities
Timers, a stopwatch, video-call lighting and a screen image generator.
Zoom Lighting
Turn your screen into a soft key light for video calls, with color temperature in Kelvin, brightness and a frame mode.
Ring Light Online
A free online ring light: a glowing ring on your screen with adjustable size, thickness, brightness and color temperature.
Countdown Timer
A big fullscreen countdown timer with presets, pause and resume, and a sound and visual alert.
Pomodoro Timer
A fullscreen Pomodoro timer: 25-minute focus sessions, short and long breaks, a session counter and gentle alerts.
Online Stopwatch
A precise fullscreen stopwatch with start, stop, reset and lap times you can review.
Display guides & tutorials
Practical, step-by-step guides to monitor cleaning, dead pixel checks, display calibration and using your screen as a light.
Dead Pixel Test: How to Spot Dead, Stuck, and Hot Pixels on Any Screen
Learn how to run a dead pixel test on Windows, Mac, iPhone, and Android. Spot dead, stuck, and hot pixels using full-screen primary colors with step-by-step instructions.
Display CalibrationScreen Color Test: How to Evaluate Color Accuracy and Balance on Your Monitor
Test your monitor for color tinting, banding, gamma shifts, and contrast balance. Step-by-step screen color testing guide for PC, Mac, and mobile displays.
Display DiagnosticsScreen Uniformity Test: How to Check for Backlight Bleed, IPS Glow, and Clouding
Check your monitor for backlight bleed, IPS glow, clouding, vignetting, and dirty screen effect (DSE) using solid gray and black test screens.
Cleaning & MaintenanceHow to Clean a Laptop Screen Safely Without Scratches or Streaks
Safe, step-by-step guide to cleaning your laptop screen or MacBook display using a white screen inspection, optical microfiber, and zero harmful chemicals.
Display MaintenanceOLED Burn-In Prevention: How to Test, Prevent, and Protect OLED Displays
Understand OLED burn-in vs temporary image retention. Test your OLED monitor or TV with solid color slides and follow practical tips to prolong panel lifespan.
Display DiagnosticsComplete Monitor Test Guide: Benchmarking New Screens for Faults, Color, and Speed
A complete diagnostic guide to testing a new or existing computer monitor for dead pixels, sharpness, gamma, contrast, backlight bleed, and response time.