# KeyboardTester.click > Free online hardware testing tools for keyboards, mice, screens, audio devices, webcams, and utilities. No downloads or signups required. Available in 9 languages. ## Core Tools - [Full LLM Catalog](https://keyboardtester.click/llms-full.txt): Expanded machine-readable catalog with categorized tool URLs, language catalogs, recent guides, crawl policy, and source-of-truth sitemap links. - [Keyboard Tester](https://keyboardtester.click/tools/keyboard-tester/): Test every key with real-time visual feedback, color-coded key states, N-key rollover detection, and a gamified progress tracker. Supports 103 testable keys. - [Mouse Tester](https://keyboardtester.click/mouse-test.php): Test left, right, middle click, and scroll wheel input with instant visual confirmation. - [Typing Speed Test](https://keyboardtester.click/keyboard_typing_test.php): Measure WPM, CPM, and accuracy with timed typing passages. - [Click Speed Test](https://keyboardtester.click/mouse_speed_tester.php): Measure clicks-per-second (CPS) with timed challenges. - [Ghost Click Detector](https://keyboardtester.click/ghost-click-detector.php): Detect unintended double clicks or phantom clicks from worn mouse switches. - [Mouse DPI Tester](https://keyboardtester.click/mouse_sensitivity_DPI_tester.php): Estimate mouse DPI by measuring cursor travel against a known physical distance. - [Mouse Trail Visualizer](https://keyboardtester.click/mouse-trail.php): Visualize mouse movement patterns with colorful trails. - [Input Latency Checker](https://keyboardtester.click/latency-checker.php): Measure keyboard and mouse input latency in milliseconds. - [Screen Tester](https://keyboardtester.click/screentestindex.php): Test for dead pixels, stuck pixels, and color accuracy with fullscreen solid color panels. - [Microphone Tester](https://keyboardtester.click/mic-tester.php): Test microphone with a real-time audio level meter and peak detection. - [Headphone & Speaker Tester](https://keyboardtester.click/headphone_speaker_tester_index.php): Test left and right audio channels independently to verify stereo separation. - [Webcam Tester](https://keyboardtester.click/webcamtesterindex.php): Test webcam with live preview, resolution detection, and device info. - [QR Code Generator](https://keyboardtester.click/QR_code_generator_scanner.php): Create QR codes from text or URLs. Download as PNG. - [QR Code Reader](https://keyboardtester.click/qr-code-reader.php): Upload an image containing a QR code and decode its content. - [OCR Tool](https://keyboardtester.click/ocr-tool.php): Extract text from images using Tesseract.js OCR in the browser. - [Password Generator](https://keyboardtester.click/auto-password-generator.php): Generate strong random passwords with customizable length and character sets. - [WhatsApp Link Generator](https://keyboardtester.click/whatsapp-link-generator.php): Create direct WhatsApp chat links with pre-filled messages. - [Lucky Wheel Spinner](https://keyboardtester.click/luckywheeltoolindex.php): Random selection spinner wheel for giveaways and decisions. - [AI Assistant](https://keyboardtester.click/ai-assistant.php): Free chat-based AI helper that picks the right hardware test based on your described symptom, explains results, and links to the correct tool. Supports 9 languages. No account, rate-limited at 12 messages/minute. ## AI Features - Floating AI chat widget on every page (bottom-right robot icon) — ask about any tool in plain language. - Multilingual: English, Spanish, French, German, Japanese, Korean, Portuguese, Arabic, Russian. - Privacy-first: no chat log stored server-side, messages not used for training. - Built on Groq-hosted LLM inference for ~1-second responses. ## Languages English, Spanish, French, German, Portuguese, Russian, Arabic, Japanese, Korean. ## Key Facts - All tools run entirely in the browser. No data leaves the user's device. - No downloads, installs, or account signups required. - Dark and light theme with automatic OS preference detection. - Mobile-responsive with dedicated mobile keyboard input support. ## Contact - Website: https://keyboardtester.click - Contact: https://keyboardtester.click/feedback.php. The support email is protected behind a human check on the site. - Full AI/LLM catalog: https://keyboardtester.click/llms-full.txt - Plain URL sitemap: https://keyboardtester.click/sitemap.txt - GitHub: https://github.com/nasirazizawan009/keyboardtester-click - YouTube: https://www.youtube.com/@KeyboardTester-dot-click - Facebook: https://www.facebook.com/keyboardtester.click