Snaplytics JS Tests

Testa il tuo monitor e mouse

Test del browser gratuiti e istantanei per il tuo hardware — misura il frame rate, rileva la frequenza di aggiornamento del display e molto altro. Niente da installare, funziona interamente nel browser.

Display e monitor

Test del frame rate

Misura i tuoi FPS in tempo reale

Misura quanti fotogrammi al secondo il tuo browser sta effettivamente renderizzando in tempo reale, con un grafico live e i valori min/medio/max.

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Test della frequenza di aggiornamento

Rileva gli Hz del display

Rileva la vera frequenza di aggiornamento del tuo monitor (60Hz, 120Hz, 144Hz, 240Hz…) direttamente nel browser usando il clock dell'animation frame.

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Resolution Test

Check your native resolution

Detect your display's native resolution, pixel ratio, aspect ratio, and color depth, then run a fullscreen 1-pixel test pattern to spot scaling, blur, and non-native output.

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Monitor Ghosting Test

Reveal motion trailing

Test your monitor for ghosting, inverse ghosting, and motion blur. Follow the moving object with your eyes to reveal trailing and coronas, with an adjustable speed and background.

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Frame Skipping Test

Detect dropped frames

Detect dropped or skipped frames on your monitor. The test times every animation frame, measures your true refresh rate, and flags each missed frame live with a running skip count.

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Monitor Gamma Test

Check your display gamma

Check your monitor's gamma with a visual calibration chart. Match the gray squares to read your display gamma, confirm the sRGB 2.2 target, and spot banding or black crush.

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Display Test

Full-screen test patterns

Step through full-screen solid colors, grayscale ramps, color bars, sharpness, geometry, and contrast patterns to check your monitor for dead pixels, banding, uniformity, and more.

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Brightness Test

Calibrate your backlight

Set and check your monitor's brightness with a full-screen shadow-detail test, luminance gradient, grayscale bar, and solid fields — dial in the black level and backlight.

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Contrast Test

Check highlight detail

Set and check your monitor's contrast with a full-screen highlight-detail pattern, a black-to-white gradient, and a dynamic-range check — dial in the white level without clipping.

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Black Level Test

Check black & shadow detail

Reveal raised or crushed blacks with full-screen pure-black, near-black step, and gradient patterns — check your monitor's black level and shadow detail in a dark room.

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White Level Test

Peak white & highlights

Check your monitor's white level, peak white, and highlight detail with full-screen white, near-white step, and grey-to-white gradient patterns that reveal tint and clipping.

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Color Range Test

Color, gradients & banding

Cycle per-channel gradients, a hue sweep, grayscale, and solid color fields in full screen to spot color banding, color cast, and your monitor's true bit depth.

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Screen Uniformity Test

Brightness & color evenness

Fill the screen with grey, white, and RGB fields to reveal clouding, mura, tint shifts, and dim edges — check your monitor's brightness and color uniformity corner to corner.

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Burn-in Test

Spot image retention

Test an OLED, AMOLED, or LCD screen for burn-in and image retention with full-screen solid colors, then run a pixel refresher to help reduce temporary retention.

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Test dei pixel morti

Trova pixel morti e bloccati

Riempi lo schermo con colori solidi a schermo intero per individuare pixel morti, bloccati e caldi, oltre al backlight bleed — scorri rosso, verde, blu, bianco, nero e altri.

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Riparatore di pixel morti

Rianima i pixel bloccati

Trascina una zona di rumore di colore lampeggiante rapido sopra un pixel bloccato per riportarlo in vita — il metodo di riparazione dei pixel nel browser, nessuna installazione richiesta.

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Test del backlight bleeding

Controlla le perdite di luce

Riempi lo schermo di nero puro per rivelare backlight bleed, bagliore degli angoli, IPS glow e clouding lungo i bordi di un pannello LCD. Meglio in una stanza buia.

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Qual è la dimensione del mio schermo?

Dimensione e risoluzione dello schermo

Vedi all'istante la risoluzione dello schermo, il viewport del browser, il rapporto pixel del dispositivo, il rapporto d'aspetto e la profondità di colore — rilevati live. In più misura la vera dimensione fisica del tuo schermo in pollici con una rapida calibrazione tramite carta di credito.

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Monitor Center Finder

Mark the exact center

Mark the exact center of your screen with a full-screen crosshair, center lines, corner-to-corner diagonals, and a rule-of-thirds grid — for webcam alignment, mounting, and crosshair reference.

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Solid Color Screens

Full-screen any color

Fill your whole screen with any solid color — presets or a custom hex — for spotting dead and stuck pixels, checking backlight bleed, screen cleaning, bias lighting, and photo backgrounds.

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Viewport Sizer

Live browser viewport

See your browser's live viewport size in CSS pixels, plus device pixel ratio, orientation, and the active responsive breakpoint — resize and watch it update, with a draggable test panel.

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Device Resolutions

Screen sizes reference

A searchable reference of screen sizes for popular phones, tablets, laptops, and monitors — CSS viewport, physical resolution, device pixel ratio, and aspect ratio, with your device highlighted.

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Aspect Ratio Calculator

Simplify & resize ratios

Calculate the aspect ratio from any width and height, or lock a ratio like 16:9, 4:3, or 21:9 and solve the missing dimension, with a live preview.

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PPI Calculator

Pixel density & dot pitch

Calculate pixel density (PPI), dot pitch, aspect ratio, and physical screen size from your resolution and diagonal, with presets for common displays.

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Retina Display Calculator

Is it retina?

Find out whether a display is 'retina' for a given size, resolution, and viewing distance — the pixels per degree your eye can resolve, plus the PPI needed at your distance.

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Viewing Distance Calculator

Optimal screen distance

Find the ideal viewing distance for your screen size and resolution — where you stop seeing pixels and get full detail, with a recommended range and field of view.

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Mouse

Test del polling rate del mouse

Controlla gli Hz del mouse

Testa il polling rate del tuo mouse in hertz — quanto spesso comunica la sua posizione al computer — con un misuratore live che mostra la frequenza attuale, di picco e media.

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Test del mouse

Testa pulsanti e scorrimento

Verifica che ogni pulsante e la rotellina del tuo mouse funzionino. Clicca i pulsanti sinistro, destro, centrale e laterali per vederli illuminarsi su uno schema del mouse, scorri su e giù per testare la rotellina e individua i doppi click accidentali di un microswitch usurato.

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Test della rotellina del mouse

Diagnostica il jitter di scorrimento

Diagnostica il jitter della rotellina, lo scorrimento inverso e i salti. Scorri in una direzione per una prova a tempo e ottieni la tua velocità di scorrimento, i conteggi su/giù, il rilevamento del jitter inverso e un verdetto sulla salute della rotellina.

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Test e analizzatore DPI del mouse

Misura il tuo DPI reale

Misura il DPI reale del tuo mouse nel browser. Inserisci il DPI configurato e una distanza, fai scorrere il mouse di quella distanza lungo un righello e ottieni il tuo DPI reale, i conteggi dei pixel e la deviazione dal valore dichiarato sulla scatola.

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Mouse Double Click Test

Catch double-click chatter

Test your mouse for double-click misfires from a worn switch — click and see the interval between clicks, with unintended double-clicks flagged and counted.

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Mouse Accuracy Test

Test your aim precision

Test your mouse aim and precision — click targets as they appear and get your accuracy, hits, misses, and reaction time.

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Mouse Drag Test

Detect drag drops

Test your mouse for drag interruptions — hold and drag across the pad and catch any button drops mid-drag from a failing switch, with the drag path drawn live.

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Mouse Drift Test

Spot sensor drift

Check your mouse for sensor drift and jitter — hold the mouse still and see whether the pointer reports movement it shouldn't, with any stray motion measured.

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Mouse Latency Test

Measure click latency

Measure your mouse and system input latency — react to an on-screen change and see the delay in milliseconds, averaged over several tries.

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Mouse Speed Test

Speed & acceleration

Measure your pointer speed and detect mouse acceleration — move the mouse and see whether the same physical motion travels different on-screen distances at different speeds.

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Mouse Spin Test

Count your spins

Spin your mouse in circles and count full rotations and spin speed — the mouse spinner challenge, measured live.

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Mouse DPI Calculator

eDPI, cm/360 & sens

Work out your effective sensitivity from your mouse DPI and in-game sensitivity — eDPI and cm/360 for consistent aim across setups.

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eDPI Calculator

DPI × sensitivity

Calculate your eDPI (effective DPI) from your mouse DPI and in-game sensitivity, and compare it across games and pro players.

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Sensitivity Converter

Convert sens between games

Convert your mouse sensitivity between games — keep the same cm/360 from CS to Valorant, Apex, Fortnite, and more, using your DPI.

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Tastiera e digitazione

Velocità e riflessi