Mirillis Action! Portable is a versatile screen and gameplay recording solution that delivers real-time capture of the Windows desktop with exceptional HD video quality. It enables users to record online videos, gameplay sessions, tutorials, music, live commentary, screenshots, and much more—all with minimal impact on system performance.
One of the strongest aspects of Action! Portable is its advanced video recording engine. The software supports Full HD and Ultra HD (up to 4K) recording, ensuring sharp visuals and smooth motion. Whether you are creating tutorials, recording webinars, or capturing fast-paced gameplay, Action! produces high-quality results with consistent playback.
The application offers flexible recording modes to suit different workflows. Users can capture the entire screen, a single application window, or a custom-defined area. Multi-monitor support allows simultaneous recording across several displays, making it ideal for professional and advanced desktop setups.
For gamers, Action! includes a dedicated gameplay recording mode optimized for low latency and high performance. It efficiently uses GPU acceleration to reduce frame drops and lag while recording. Gameplay can be saved directly in MP4 format, ensuring compatibility with popular editing tools and sharing platforms.
Live streaming is another major feature of Mirillis Action!. With built-in integration for platforms such as YouTube, Twitch, and Facebook, users can broadcast gameplay or tutorials in just a few steps. Adjustable bitrate, resolution, and audio settings make it easy to adapt streams to different internet connections and quality requirements.
Beyond recording and streaming, Action! also includes tools to enhance content creation. A built-in video editor allows users to cut, trim, and merge clips quickly. Webcam overlays, microphone commentary, and custom logos can be added to personalize recordings and create professional-looking videos.
The Time-Shift function is especially useful for gamers, as it continuously records gameplay in the background. This allows users to rewind and save unexpected highlights instantly, ensuring no important moment is missed.
Action! also features a benchmarking module that provides real-time performance data. Users can monitor FPS, CPU usage, GPU load, and disk activity during gameplay or recording, helping them fine-tune settings for optimal performance.
With its modern and intuitive interface, Action! is easy to use even for beginners. Built-in managers for recordings, screenshots, and benchmarks make it simple to organize files, delete unwanted clips, and export content to popular formats and devices.
Additional Highlights
- Green Screen Mode: Remove webcam backgrounds using any solid color—no special equipment required
- External Device Capture: Record video from consoles, webcams, TV tuners, and HDMI/USB capture devices
- Selected Application Recording: Record only a chosen app while hiding the rest of the desktop
- Hardware Acceleration: Supports NVIDIA NVENC, AMD, and Intel Quick Sync for fast encoding
- Web Video Recording: Capture videos from any website or web player in real time
- Screenshot Capture: Take instant screenshots without interrupting gameplay or work
- Audio Recording: Capture system sounds and microphone input simultaneously
- Efficient SD Recording: Record long sessions in 480p while saving disk space
Performance and Technology
Action! uses Mirillis’ proprietary ultra-fast video codec, optimized for multi-core CPUs and GPUs. This ensures smooth real-time recording with low system load. Recordings can be saved directly to MP4, and exports are accelerated using modern GPU technologies.
Latest Updates
- Added support for NVIDIA R590 drivers (591.44 and newer)
- Introduced split NVENC encoding for faster processing on supported RTX 4000/5000 GPUs
Mirillis Action! Portable is a complete solution for screen recording, gameplay capture, live streaming, and performance benchmarking. With its powerful features, low resource usage, and elegant design, it is an excellent choice for gamers, content creators, educators, and professionals alike.
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