Screen Recorder 4K - With Mic & System Audio

Record screen, tab, or window in up to 4K with mic and system audio. No watermark, no login. Save recordings instantly in WebM.

🎬 Capture Your Screen in Ultra HD (4K) with System & Microphone Audio Screen Recorder 4K is a simple yet powerful Chrome extension that lets you record your screen, browser tab, or application window in stunning 4K resolution — with both system audio and mic voice captured simultaneously. Perfect for creating tutorials, recording meetings, conducting webinars, or making professional YouTube videos — all with no watermarks, no sign-in, and complete privacy. ✅ Key Features Record full screen, application window, or browser tab with one click. Capture system audio and microphone voice at the same time. Choose your recording quality — up to 4K Ultra HD resolution. Pause and resume anytime during recording. Instantly download recordings in WebM format, saved locally to your device. No time limits, no watermarks, no sign-up required. 100% private — recordings stay on your computer; nothing is uploaded or shared. Works smoothly on Chrome and all Chromium-based browsers (Edge, Brave, Opera). 🎯 Perfect For Online classes and step-by-step tutorials. Work meetings, webinars, and presentations. App or website demos and walkthroughs. Technical support videos and bug reports. Content creators making YouTube or social videos. 🚀 Why Choose Screen Recorder 4K Unlike most browser recorders, Screen Recorder 4K offers true ultra-HD video, dual-audio support, and complete privacy — without requiring any account or subscription. You get professional-grade quality, total control, and a frictionless experience. No sign-in. No ads. No watermark. Just click Record, and capture exactly what matters. 📌 Technical Details Output format: WebM (lightweight and high-quality). Browser support: Chrome & all Chromium-based browsers. Audio support: Microphone + system sound (toggle on/off). Storage: 100% local — nothing leaves your device. ⚡ How to Use Install Screen Recorder 4K from the Chrome Web Store. Click the extension icon in your toolbar. Choose screen, tab, or window to record. Enable or disable mic/system audio as needed. Start recording — pause/resume anytime. When finished, download your video instantly. 🔒 Privacy-First by Design Screen Recorder 4K never uploads your recordings or tracks your activity. Everything happens locally, ensuring your data, videos, and audio remain fully private. 🧩 Screen Recorder 4K – The easiest, fastest, and most private way to record your screen in 4K with both mic and system audio.