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Test every key live, detect ghosting and stuck keys, and check N-key rollover - right in the browser.
あなたのサイトに使える無料の埋め込みウィジェット
キーボード、マウス、画面、マイク、ウェブカメラ、オーディオのチェックなど、当サイトの無料テストツールを、あなたのウェブサイト、ブログ、授業用ページに追加できます。コードを1行コピーして貼り付けるだけで完了。登録もAPI keyも不要、制限もありません。
- 完全無料・無制限
- 登録もAPI keyも不要
- 完全レスポンシブ対応
- iframe一つで読み込み
3ステップでウィジェットを埋め込む方法
- コードをコピー下からツールを選び、「コードをコピー」をクリックして埋め込みコードを取得します。
- ページに貼り付けツールを表示したい場所に、コードをページやブログ記事のHTMLに貼り付けます。
- クレジットリンクは残すこれで完了です。ツールはすぐに読み込まれます。小さな「by KeyboardTester.click」リンクはそのまま残してください。
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キーボード
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Measure WPM, accuracy, and typing consistency
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Test device and input latency in your browser
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Count how many spacebar presses you can make in 5, 10, or 30 seconds
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Measure your keyboard key repeat rate (Hz) and initial delay (ms) in your browser
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Visualize your inter-keystroke timing patterns and get a rhythm consistency score
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Classify your mechanical keyboard switches as linear, tactile, or clicky using mic FFT analysis
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Find keys that register twice from a single press with configurable threshold and per-key stats
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Estimate keyboard Hz using browser auto-repeat timing measurement
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Press any key combination and instantly see what it does on Windows, macOS and Linux
マウス
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Check mouse buttons, scroll wheel, cursor movement, and responsiveness
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Measure your click speed (CPM or CPS) with timed tests
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Test DPI, sensitivity, and tracking accuracy
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Visualize mouse movement trails and precision
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Detect unintended or phantom clicks
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Check if your gaming mouse runs at 125Hz, 500Hz, 1000Hz or higher
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Measure your gaming mouse lift-off distance to optimize sensor performance
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Aim trainer benchmark — measure hit percentage, average pixel error, and reaction time per target
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Measure drag-click CPS, peak burst rate, and total clicks with live timeline graph
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Measure right-mouse-button CPS with browser context menu suppressed
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Measure true mouse DPI by dragging a known distance or entering pixel and inch values manually
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Calculate effective DPI (DPI x sensitivity) and cm/360 for CS2, Valorant, Apex and other FPS games
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Detect idle cursor drift and sensor jitter with a 10s-3min pointer-event sampler and pass/fail verdict
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Compare slow vs fast swipe pixels to catch Windows pointer acceleration or firmware-level sensor acceleration
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Counts full 360° mouse rotations over 15/30/60 s with peak spins-per-second and direction indicator
ディスプレイ
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Detect dead, stuck, or hot pixels on screens
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Detect if your display runs at 60Hz, 144Hz, 240Hz or higher
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Check color accuracy, gradient banding and backlight uniformity
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Check your LCD monitor for backlight bleed, IPS glow, and clouding
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Test for dead zones, ghost touches and multi-touch on phone or tablet
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Check if your monitor uses PWM backlight dimming that can cause eye strain
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Visual gamma calibration check using stripe-blend pattern, target sRGB 2.2
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Detect pixel response time issues with adjustable-speed moving box on color backgrounds
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Check shadow detail with 32 near-black patches, detect crushed blacks
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Check highlight detail with 32 near-white patches, detect clipped whites
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11-step grayscale ladder to verify brightness, contrast, and gamma calibration
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Checkerboard vs 50% gray squint test for contrast and gamma calibration
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Compute pixels per inch, dot pitch, aspect ratio and megapixels for any display from resolution + diagonal
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Type any two of width, height, or ratio. Auto-simplifies to lowest integer terms and renders a live preview
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Compute diagonal, width, height and visible area from aspect ratio plus any one dimension — in inches and cm
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Optimal TV/monitor viewing distance by THX (36° FoV), SMPTE (30° FoV), and the 4K/8K resolving-limit
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Live frame rate measurement with avg/min/max/1%-low plus 60/120/144/165/240Hz detection
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Live readout of screen resolution, native pixels, device pixel ratio, color depth, and gamut
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Cycle 8 solid colors, fine checkerboard, and scrolling refresher fullscreen to detect OLED burn-in
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Detect Full RGB (0-255) vs Limited (16-235) via near-black and near-white patch grids
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Fullscreen gray/black/white/RGB at any brightness to spot clouding, IPS glow, and backlight bleed
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Detects dropped or skipped frames at your refresh rate with rAF timestamp analysis and a visual reference bar
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Lagom-style 1px pixel grid, multi-size text samples, color-fringing blocks, and an RGB sub-pixel ruler to evaluate display sharpness
カメラ
オーディオ
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Verify microphone input and audio levels
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Test stereo channels and sound output
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Live dB SPL measurement using your microphone with peak and rolling average
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Speaker and headphone channel verifier plus 100 Hz → 10 kHz frequency sweep
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Subwoofer and low-frequency sweep (20 Hz → 200 Hz) with ISO 1/3-octave bass presets
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Full-range 20 Hz → 20 kHz log sweep with hearing-limit logging and manual tone slider
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Measure how fast you respond to a sound cue in milliseconds using the Web Audio API
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5.1 and 7.1 channel walk-around to verify speaker wiring, with stereo panning fallback for headphones
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Sing or play any note. Get live Hz, nearest note (C0-C8), octave, and cents off perfect pitch
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Mosquito tone hearing test - 12 frequencies from 8 kHz to 22 kHz to estimate your hearing age
ユーティリティ
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Extract text from images quickly
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Scan QR codes with camera or image upload
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Create custom QR codes instantly
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Create strong, secure passwords instantly
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Create clickable WhatsApp chat links
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Create branded WhatsApp links and QR codes
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Deep AI tone report for chats and text
Lucky Wheel
Spin a random picker wheel for names, teams, prizes, and quick choices
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Detect IP address leaks through your browser even when using a VPN, IPv4 + IPv6 + local
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Live X/Y/Z acceleration readout in m/s² with tilt ball, shake counter, and peak-g tracking
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Live alpha/beta/gamma rotation readout with 3D cube, compass ring, and calibrate-to-zero
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Phone haptics patterns (Vibration API) and gamepad rumble per-motor intensity in one tool
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Multi-threaded WebWorker SHA-256 busy loop to load every logical core and report ops per second
AI GPU Test
Check WebGPU, WebGL2, WebNN and browser AI readiness with a safe matrix compute benchmark
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WebGL2 Mandelbrot fragment shader benchmark that pushes any GPU and reports FPS, minimum FPS, and software-rendering fallback
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Browser heap monitor with live performance.memory readout, allocation stressor, and safe auto-abort
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Convert CAS latency (CL) and memory speed (MT/s) to real nanoseconds, compare DDR4 vs DDR5 kits side by side
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Solve for transfer time, file size, or required speed - handles bits vs bytes math automatically
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Estimate download duration for games, movies, and backups at your connection speed with realistic overhead
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Usable capacity and fault tolerance for RAID 0/1/5/6/10/50/60 with side-by-side level comparison
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Actual-size cm and inch ruler on screen with credit-card calibration (ISO ID-1) and DPI presets
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Chat with the site's AI helper — it picks the right hardware test, links you to it, and explains the result in 9 languages
ゲーミング
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Test PS5, Xbox, Switch and PC controller buttons, stick drift and triggers
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Measure how fast you react with a browser-based millisecond reflex test
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Convert field of view across aspect ratios and games with presets for CS2, Valorant, Apex, CoD and Fortnite
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Design a custom crosshair with live preview, PNG export, CS2 console command, and Valorant settings values
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Actions-per-minute counter for RTS & MOBA players — live APM, peak, and session average
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Random gamer names across 6 styles with length limits for Xbox, PSN, Steam, and Discord
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Random MMO guild and clan names across 6 themes and 5 templates, with WoW/FFXIV/Destiny length limits
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Time-to-kill math for FPS games with body vs head comparison, armor handling, and CS2/Valorant/Apex/CoD presets
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Pixel circle, filled disc, thick ring, and 3D sphere layer plotter for Minecraft builders, radius 1-256
よくある質問
これらのウィジェットは無料で埋め込めますか？
はい。KeyboardTester.click のすべてのウィジェットは、どんなウェブサイト、ブログ、学習プラットフォームにも100%無料で埋め込めます。登録もAPI keyも利用制限もありません。コードに含まれる小さなクレジットリンクをそのまま残しておくだけです。
ツールを自分のウェブサイトに追加するには？
下のいずれかのウィジェットで「コードをコピー」をクリックし、ツールを表示したい場所のページやブログ記事のHTMLにコードを貼り付けます。レスポンシブ対応のiframeで読み込まれ、すぐに動作します。インストールするスクリプトはありません。
ウィジェットはモバイルでも動作しますか？
はい。各ウィジェットは完全レスポンシブ対応で、表示領域の幅に合わせて拡大・縮小します。スマートフォン、タブレット、パソコンのいずれでも正しく動作します。
ツールを自分の言語で埋め込めますか？
はい。このページの上部で言語を選ぶと、コピーしたコードがその言語でツールを自動的に読み込みます。これにより、訪問者は自分の言語でインターフェースを利用できます。
