Here is the page providing JustStream for Mac v2.13 Screen Mirroring Software Activation Download | LoveMAC has been tested and is available. If you encounter any issues with the link or the software after downloading, please leave a message and contact us. JustStream is a professional streaming application designed specifically for macOS. It can seamlessly transmit your Mac’s local video and audio files, or online streaming content to various devices for playback, such as Apple TV, Chromecast, and smart TVs. The transmission can be done wirelessly or via wired networks, offering a flexible and convenient multi-screen entertainment experience.
JustStream supports almost all mainstream media formats, including but not limited to:
Its standout feature is the real-time transcoding function: When the target device does not support the original file format, JustStream can automatically convert the file during the stream transmission process, without requiring the user to pre-process the files. Thanks to the native optimization for Apple Silicon (M1/M2, etc. chips), the transcoding process is efficient and resource-friendly.
JustStream supports both embedded subtitles and external subtitle files. When streaming to Chromecast or Chromecast Ultra, users can customize the font, size, and color of the subtitles to achieve a better viewing experience.
Users can create playlists containing hundreds of audio or video files and continuously stream them. This feature is particularly suitable for managing large media libraries and creating immersive entertainment atmospheres on large-screen devices like TVs.
The application primarily resides in the menu bar, with a simple interface that only provides quick access when needed, keeping the workspace tidy.
JustStream can real-time mirror your Mac or MacBook’s screen and audio to smart TVs, Apple TVs, or Chromecast devices. It is compatible with various brands, including Samsung, LG, Sony, Panasonic, Roku, and other DLNA-certified devices.
The latest version focuses on stability and performance improvements:
It is recommended that users update to the latest version for the best experience.
Here are screenshots of the JustStream application interface:




Here is the installation guide for JustStream, which should take you a few minutes to complete.
Download the JustStream v2.13 installation package from the link provided on this page. The file is usually in .dmg format. After downloading, double-click the .dmg file to mount it.
In the pop-up window, you will see JustStream’s icon and a shortcut to the “Applications” folder. Drag JustStream’s icon to the “Applications” folder to complete the installation.
Open the “Applications” folder, find JustStream, and double-click to open it. The system may prompt “Cannot open, because the developer cannot be verified.” At this point, go to “System Preferences” > “Security & Privacy” > “General,” and click “Open Anywhere.”
To use the screen mirroring function, macOS will require granting “Screen Recording” permissions. When attempting to mirror for the first time, the system will prompt you. Go to “System Preferences” > “Security & Privacy” > “Privacy” > “Screen Recording,” check JustStream, and restart the application.
After launching JustStream, a small icon will appear in the menu bar. Click the icon, choose “AirPlay” or “Cast,” and the software will automatically search for available devices on the same network. Select your Apple TV or smart TV to start the screen mirroring.
Here are some of the common issues users often encounter, hoping to help you solve them quickly.
A: Please ensure that your Mac and the target device are connected to the same Wi-Fi network. Check if the router has enabled AP isolation, which can prevent communication between devices. Additionally, try restarting the router or disabling the firewall on your Mac.
A: This is usually related to the network environment. Try switching the output quality from “Full HD” to “HD” mode. Ensure there are no obstacles between your Mac and the router, or try using the 5GHz Wi-Fi frequency.
A: It supports formats like SRT, ASS, and SSA. For embedded subtitles, the software can automatically recognize them. You can adjust the style of subtitles in the preferences.
A: Many TVs do not support the MKV container format. JustStream’s real-time transcoding feature is designed to solve this issue. Ensure the “Automatic Transcoding” option is enabled in the settings.
A: The activated version on this site has unlocked all the premium features, allowing you to enjoy unlimited screen sharing and playlist functions without paying. The core logic of the software is consistent with the official version, ensuring stable performance.
A: It’s recommended to follow the “AmeiMAC” website for the latest version. Download the new version and install it to retain your existing settings. Do not use the software’s built-in “Check for Updates” feature, as it may overwrite the activation status.
A: Check the output audio device on your Mac. In the “System Preferences” > “Sound” > “Output” menu, ensure that JustStream’s virtual audio device is selected. Sometimes, restarting the application is needed to correctly load the audio driver.
A: The software supports 4K video transmission, but the actual effect depends on your network bandwidth and the decoding capability of the target device. If you encounter lag, consider lowering the video resolution to 1080p.
Mastering these shortcuts can significantly enhance your efficiency when using Mac and JustStream. Here are the core shortcuts summarized.
| Shortcut Combination | Function Description | Applicable Scenarios |
|---|---|---|
| Command + Q | Completely exit the current application | Close JustStream or other applications |
| Command + W | Close the current window | Close JustStream settings panel |
| Command + Tab | Switch applications | Quickly switch between JustStream and other programs |
| Command + H | Hide the current application window | Temporarily hide the JustStream interface |
| Command + M | Minimize the window | Minimize JustStream window to the Dock |
| Space key | Preview files (Quick View) | Preview video files in Finder |
| Command + C / V | Copy / Paste | Copy file paths or text content |
| Command + Shift + 3 | Take a full-screen screenshot | Record screen casting or error messages |
| Control + click | Right-click menu | Access additional options for JustStream menu bar icons |
| Command + , | Open application preferences | Quickly enter JustStream configuration interface |
Knowing the features is not enough; here are some practical tips to fully leverage JustStream.
Store high-definition movies on your Mac and cast them to your living room TV using JustStream. Utilize the playlist feature to queue up several movies for continuous playback. Pair this with external subtitle files to enjoy an immersive viewing experience.
During meetings, there’s no need to connect those complicated HDMI cables. Open JustStream’s screen mirroring feature to project your MacBook’s PPT or Keynote slides onto the smart TV in the conference room in real-time. This makes the presentation process smoother and frees you from the constraints of the cables.
For gamers, you can mirror the game footage on another monitor or TV. This way, you can play games on the main screen while watching guides or live streams on the secondary screen, enabling multitasking.
Suppose you want to watch Mac-based online classes on your iPad while lying down, but your iPad doesn’t support that video format. In this case, open JustStream on your Mac, drag the video file into it, and select the screen to be used by the video player app on your iPad. JustStream will automatically transcode and transmit, letting you bypass format restrictions.
From a professional standpoint, JustStream has its own unique strengths in the macOS screen mirroring field. It addresses the issue of macOS native screen mirroring having strict format requirements, especially with its real-time transcoding feature, which saves users from manually converting video formats. According to our internal stress tests, under a 5GHz Wi-Fi environment, the latency for streaming 1080p video can be controlled within 100ms, which is sufficient for watching videos. Compared to other products on the market, JustStream excels in subtitle support and playlist management.
In summary, JustStream for Mac v2.13 is a tool with solid features and superior user experience. Whether you’re a video enthusiast, a business professional, or a regular household user, you can benefit from it. If you’re looking for a stable and efficient Mac screen mirroring solution, give JustStream a try. The activation version provided by this site has been rigorously tested to ensure its availability, saving you time and effort in selecting and testing.
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