{"core":{"site":{"tagline":"Free online tests for your senses, reflexes and mind."},"nav":{"label":"Site","home":"Home","language":"Language","theme":"Toggle dark mode","allTests":"All tests","skip":"Skip to content","themeLight":"Switch to light theme","themeDark":"Switch to dark theme"},"home":{"title":"{site}: Free Reaction, Memory, Vision, Hearing Tests","description":"Test your reaction time, memory, color vision, hearing and personality in your browser. Free, no sign-up, and your results never leave your device.","h1a":"How sharp are your senses?","h1mark":"Test yourself in a minute.","h1b":"","lede":"Reaction time, memory, color vision, hearing, personality and more.","ledeStrong":"Free, no sign-up, and your results stay on your device.","searchLabel":"Search tests","searchPlaceholder":"What do you want to test? reflex, memory, color…","popularSearches":"Popular:","num1":"free tests","num2":"no sign-up","num3":"languages","popular":"Most played","allLink":"All {n} tests","all":"All tests","noResults":"No test matches that. Try words like reaction, memory, color or hearing.","trust1t":"Results stay with you","trust1d":"Scores are calculated in your browser. Nothing you answer or record is sent to a server.","trust2t":"No install","trust2d":"No app and no extension. A browser, a mouse or a touchscreen is enough.","trust3t":"No account","trust3d":"No sign-up and no email. Open a test and start.","num2v":"Free"},"cat":{"vision":"Vision","hearing":"Hearing","reflex":"Reflexes & Speed","memory":"Memory & Brain","personality":"Personality","sleep":"Sleep & Lifestyle","fitness":"Body & Fitness"},"tool":{"loading":"Loading test…","noscript":"This test needs JavaScript. Please enable it and reload the page.","related":"More tests","faq":"Frequently asked questions","fallbackNotice":"This page is not translated yet. Showing the English version.","toc":"Contents","next":"What's next?"},"common":{"start":"Start test","stop":"Stop","reset":"Reset","retry":"Try again","fullscreen":"Fullscreen","exitFullscreen":"Press Esc or click to exit","permissionDenied":"Permission denied. Click the lock icon in your browser's address bar, allow access and reload the page.","notSupported":"Your browser does not support this feature. Try the latest Chrome, Edge, Firefox or Safari.","noDevice":"No device found. Check it is plugged in and not used by another app.","insecure":"This test only works on a secure (https) page.","unknown":"Unknown","copy":"Copy","copied":"Copied","share":"Share result","yes":"Yes","no":"No","next":"Next","continue":"Continue","finish":"See my result","headphones":"Use headphones for this test.","notDiagnosis":"This is a self-check for curiosity and practice, not a medical diagnosis. If you are worried, talk to a qualified professional."},"footer":{"about":"About","privacy":"Privacy","contact":"Contact","tagline":"Free tests for your senses, reflexes and mind. Everything runs in your browser.","popular":"Popular","site":"Site","language":"Language","bottom":"Nothing is uploaded. Scores stay in your browser.","methodology":"How we test"},"panel":{"title":"Your personal bests","live":"This browser","sub":"Your best scores, saved only on this device.","subEmpty":"No scores yet. Play any test below and your best result appears here.","note":"Scores are stored in this browser only. Clearing site data removes them.","play":"Play →"},"result":{"label":"Your result","share":"Share result","copy":"Copy","copied":"Result copied to clipboard","copyFail":"Could not copy. Select the text manually.","retry":"Try again","shareTitle":"{title} result","via":"Tested with HumanTestKit"},"score":{"best":"Personal best","newBest":"New personal best!","typical":"typical","compare":"How you compare","history":"Your last {n} results"},"quiz":{"agree1":"Disagree","agree2":"Slightly disagree","agree3":"Neutral","agree4":"Slightly agree","agree5":"Agree","back":"Back","keys":"Keys 1–{n} also work","progress":"Question {i} of {n}"},"empty":{"note":"Nothing leaves your device."},"ad":{"label":"Advertisement"},"cards":{},"byline":{"by":"By","updated":"Updated","method":"How we test"}},"tools":{"visual-acuity-test":{"emptyTitle":"How sharp is your eyesight?","emptyText":"A screening eye test with the Tumbling E: calibrate the screen with a bank card, pick a distance, then test each eye. Takes about 3 minutes. It does not replace an eye exam and is not meant for children.","start":"Start eye test","step1":"Step 1 of 3 · screen size","calTitle":"Match the card to a real bank card","calText":"Hold any bank, ID or loyalty card in the standard size (85.6 × 53.98 mm) against the screen. Move the slider until the outline is exactly as big as the card. This tells the test how big a millimetre is on your screen.","cardLabel":"Outline of a standard bank card","sliderLabel":"Card size on screen","smaller":"Smaller","bigger":"Bigger","calReadout":"{v} screen pixels per millimetre (saved on this device)","calDone":"The card matches","step2":"Step 2 of 3 · distance","distTitle":"How far from the screen will you be?","distText":"Pick the distance and measure it with a tape measure or count steps. The letters are sized for that distance, so a wrong distance gives a wrong result.","distHelp":"Farther is better for distance vision. At 2 m and 3 m use the arrow keys on a keyboard, or ask someone to tap the answers you call out. At 50 cm, being over 40 or needing reading glasses can lower the result. A distance is greyed out when your screen cannot draw letters small enough for it.","distUpTo":"lines down to {s}","distNo":"screen too small","d500":"50 cm","d1000":"1 m","d2000":"2 m","d3000":"3 m","recal":"Calibrate again","step3r":"Step 3 of 3 · right eye","step3l":"Step 3 of 3 · left eye","coverLeft":"Cover your left eye","coverRight":"Now cover your right eye","coverText":"Stay at {d}. Cover the eye with your palm without pressing on it, and keep both eyes open behind the hand. Wear your usual distance glasses or lenses if you have them.","ready":"Ready","panelLabel":"A letter E turned in one of four directions","padLabel":"Direction of the E's bars","qDir":"Which way do the bars of the E point?","dir_up":"Up","dir_right":"Right","dir_down":"Down","dir_left":"Left","cantTell":"I can't tell","testHelp":"Arrow keys work too, Space means “I can't tell”. Don't squint or lean in. Each line shows up to 5 letters; 3 correct moves you to a smaller line.","progress":"{eye} · line {s} · letter {n}","eyeRight":"Right eye","eyeLeft":"Left eye","statDist":"Distance","acuity":"≈ {s} · {d}","below":"larger than {s}","title":"Better eye {r}","typicalLabel":"20/20","subGood":"The better eye read the 20/20 line (decimal 1.0) or a smaller one, Snellen's reference for normal sight.","subMid":"The better eye read lines between 20/40 and 20/25. Glasses that need updating, the wrong distance or a dim screen can all explain this.","subLow":"The better eye could not read the 20/40 line (decimal 0.5) on this screen. Check the distance and calibration, and book an eye exam.","subLimit":"You read the smallest line this screen can draw at this distance, so your acuity may be even better. Pick a larger distance to measure further.","subDiff":"Your two eyes differ by two lines or more, which is worth mentioning at an eye exam.","subAlways":"This is a rough screening result, not a prescription.","noneTitle":"The largest line was not read","noneSub":"Neither eye read the largest line this screen can show at this distance. Check the calibration and the distance, or move closer, and repeat.","fix1b":"Check the set-up","fix1":"Recalibrate with a real card, measure the distance and repeat in a well-lit room.","fix2b":"Book a full eye exam","fix2":"An optometrist or ophthalmologist measures acuity on a calibrated chart and checks eye health. Adults are often advised to do this every one to two years.","fix3b":"Get help quickly when needed","fix3":"Sudden loss or blurring of vision, a curtain or shadow in your sight, flashes with new floaters, or eye pain need same-day care."}},"links":{"color-blind-test":{"url":"/color-blind-test/","name":"Color Blind Test","category":"vision"},"hue-test":{"url":"/hue-test/","name":"Hue Test","category":"vision"},"astigmatism-test":{"url":"/astigmatism-test/","name":"Astigmatism Test","category":"vision"},"contrast-sensitivity-test":{"url":"/contrast-sensitivity-test/","name":"Contrast Sensitivity Test","category":"vision"},"eye-dominance-test":{"url":"/dominant-eye-test/","name":"Dominant Eye Test","category":"vision"},"hearing-test":{"url":"/hearing-test/","name":"Hearing Test","category":"hearing"},"hearing-age-test":{"url":"/hearing-age-test/","name":"Hearing Age Test","category":"hearing"},"pitch-test":{"url":"/tone-deaf-test/","name":"Tone Deaf 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