Tempo Kit – Metronome, Tuner, Video Transpose & Practice Chrome extension security report

Practice smarter and efficiently without leaving your browser. Tempo Kit keeps your metronome, chromatic tuner, timer, stopwatch, video practice controls, and saved presets in one clean browser side panel, so your practice stays focused without switching apps. Whether you're learning a new solo on YouTube, running timing drills, looping a section, or shedding to local audio files, everything you need docks right next to your work. FREE CORE TOOLS: • Metronome: 30–600 BPM, tap tempo, subdivisions, and visual flashes. Mini controls let you keep the BPM running while using other tabs. • Chromatic Tuner: Fast, accurate pitch detection using your microphone directly in the browser. • Timers & Stopwatch: Built for practice. Run laps for repeated takes or set focus blocks. • Video Practice Controls: Connect to YouTube, Bilibili, other platforms, or your own local files (via our Practice Player) to manipulate playback without altering the original file. - Speed / Playback rate: 0.1× to 3× speed without changing pitch - Transpose: Shift pitch up or down by 1–12 semitones - A-B Loops: Isolate a specific section to loop endlessly - BPM Detection: Automatically estimate the tempo of the video PRO FEATURES (Tempo Kit Pro): The core practice tools are completely free. Unlock Pro to save more presets, keep notes, and build your ultimate practice library. • 3 presets for free users, 300+ presets for pro users • Practice Library: Save presets for specific songs or videos. • Save Metronome Settings: Save your BPM, time signature, subdivision, and sound preferences to instantly load the perfect click track. • Save Video Settings: Save a video URL alongside your custom speed, transpose, and A-B loop points so you can jump right back in where you left off. • Organization: Group presets into folders and keep practice notes for every song. Keep routines and setlist. LOCAL-FIRST & PRIVATE: Tempo Kit is built to be fast and private. The metronome, tuner, timer, stopwatch, and BPM analysis run entirely locally on your device. We do not use analytics, tracking cookies, or advertising. Your practice library stays in your browser's local storage. Payments are handled securely by ExtensionPay and Stripe.