2-in-1 Screen Recording & Capture for Windows

Record full screen or custom regions and save videos as MP4 in 4K/8K HD quality.

Capture system audio, microphone, or neither while recording your screen.

No watermark, no time limit, lossless image quality, lightweight and lag-free.

Screenshot full screen or region, edit with shapes/text, save as PNG/JPEG/BMP.

Keep everything private with 100% local processing — no uploads, no cloud, no external servers.

Available for: Windows

Free Try Windows 11/10/8/7

Why Should You Choose Coolmuster Screen Recorder?

Record Video in 4K/8K – Full Screen or Any Region

Capture your entire desktop or just a custom area. Save as MP4 in crystal-clear 4K/8K quality - no watermark, no time limit, and no lag:

Smart Area Selector: Drag to select any region with real-time pixel dimensions – get exactly what you need without extra editing.
Flexible Recording Modes: Record full screen, a specific app window, or a custom region. Unlimited recording sessions.
Lightweight & Reliable: Smooth high-resolution recording with minimal system impact – even on modest hardware.

Choose Your Audio Source – System Sound or Mic

Decide which audio to include. Record either system sound (game, video playback) or your voice – never both, for clean and focused audio:

Single-Source Audio: Pick system sound only for gameplay captures, or microphone only for voiceover tutorials. No interference.
Flexible Options: Also choose no audio at all for silent demos or privacy-sensitive recordings.

Take & Edit Screenshots – Full Screen or Custom Region

Capture anything on your screen and enhance it instantly. Save as PNG, JPEG, or BMP – all with lossless quality:

Easy Screenshot Capture: Grab full screen or drag a custom region. Real-time pixel dimensions help you frame perfectly.
Built-in Editing Tools: Add boxes, circles, arrows, lines, or text to highlight key areas before saving.
Multiple Formats: Export as PNG, JPG/JPEG, or BMP – whatever suits your workflow.

100% Private – Local Processing, No Uploads

Everything stays on your computer. Your recordings, screenshots, and data never leave your device – no cloud, no external servers:

Local-Only Processing: All recording and editing happens directly on your Windows PC. Total privacy guaranteed.
Full Ownership: You keep complete control of every file from start to finish. No third-party access, no unexpected sharing.
One-Click Simplicity: Start or stop recording with a single click. A handy toolbar keeps controls accessible without interrupting your work.

Don't Take Our Word For It

I handle sensitive client data, and cloud-based recorders are a no-go. Coolmuster processes everything locally – my recordings never leave my PC. The draggable toolbar (actually handy) keeps controls accessible, and I can save directly to my encrypted drive. Professional quality, total privacy. Couldn't ask for more.

- Lisa Thompson

As a gamer, I only want to capture game sounds, not my voice. This software lets me choose system audio alone, so my clips are clean and professional. No lag at all while recording fast-paced action in 1440p. Plus, the MP4 output is ready to upload instantly. Love it!

- Sarah Chen

I've tried so many free screen recorders that either cut off after 5 minutes or slap a huge watermark on my videos. Coolmuster Screen Recorder changed everything. I recorded a 2-hour tutorial in 4K without any interruption, and the output was crystal clear. The local processing also gives me peace of mind since nothing gets uploaded. Highly recommend!

- James Wilson

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