Recommended Free Tools
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To send OBS Studio’s live program view over NDI, install the third-party DistroAV plugin (formerly OBS-NDI), meet its current OBS and NDI requirements, then enable its NDI output using the labels in your installed version. NDI does not provide an official OBS plugin. DistroAV’s current listing requires OBS Studio 31.1.1 or newer; its 6.2.0 release notes specify NDI SDK 6.3.0 or newer. NDI’s OBS documentation describes the runtime requirement as NDI Runtime 6.3 or newer.
Choose the right NDI function in OBS
DistroAV adds audio/video input and output over IP using NDI. Its three features move media in different directions, so choose by what you need to send or receive:
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| Feature | Direction and scope | Use it when |
|---|---|---|
| NDI Output | Sends OBS’s main program view out over NDI. | You want another NDI-capable application or device to receive the finished OBS program. |
| NDI Source | Brings an external NDI feed into OBS. | You want OBS to use video arriving from another NDI source. |
| NDI Filter | Sends its parent OBS source or scene over NDI. | You need to send a particular source or scene, rather than the main program view. The plugin listing says audio works only with video capture sources, media sources, and VLC sources. |
For an outgoing program feed, use NDI Output—not NDI Source.
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Check compatibility before installing
- OBS and platform: DistroAV’s listing for version 6.2.0, last updated April 21, 2026, supports 64-bit Windows, macOS, and Linux and lists OBS Studio 31.1.1 as its minimum. Check the DistroAV listing for current requirements.
- NDI requirement: DistroAV 6.2.0 release notes specify NDI SDK 6.3.0 or newer; NDI’s OBS page describes NDI Runtime 6.3 or newer. Follow the current installation notes for the release you choose, since requirements can change between versions. DistroAV release notes
- Architecture and OBS version: OBS cautions that plugins can be limited by operating system or architecture, or may not yet support the OBS version installed on your computer. See OBS’s plugin guide.
Install DistroAV and enable the output
- Confirm your OBS version and system architecture. Check that your setup meets the current DistroAV requirements before downloading. If you use a portable or custom OBS installation, make sure the installer targets the correct plugin location; OBS’s plugin guide notes that custom data/plugins directories may require a changed install target.
- Remove an old OBS-NDI plugin, if present. NDI’s documentation directs users to remove the old plugin before installing DistroAV to avoid conflicts. DistroAV’s 6.0.0 update says the project was renamed and that OBS-NDI must be uninstalled when moving to DistroAV 6.x; that update says settings transfer automatically. Follow the instructions for your installed versions in NDI’s OBS documentation and the DistroAV release notes.
- Install DistroAV and satisfy its NDI dependency. Use the current operating-system instructions from the project. The 6.2.0 notes describe a one-click installer for missing requirements on Windows and macOS. Earlier 6.1.1 notes document Winget on Windows, Homebrew on macOS, and Flathub on Linux; these are version-specific routes, not guaranteed instructions for every later release.
- Restart OBS and locate the output control. After installation, look for DistroAV’s NDI output controls and enable NDI Output for the main program view. Exact dialog names and menu paths are not established across operating systems and plugin versions, so use the labels and version-matched instructions that appear in your current installation instead of relying on an older guide’s menu sequence.
- Set up the receiver. On the other device or in the receiving application, discover or select the NDI output on your network. NDI carries audio and video over IP; the reviewed setup information does not make a new cable or specific network hardware a requirement. A wired Ethernet connection is an optional network choice, not a DistroAV prerequisite.
Troubleshoot a missing output or receiver
NDI controls do not appear in OBS
- Check that DistroAV installed and loaded, rather than only adding an NDI Source.
- Compare the installed OBS and NDI versions with the requirements for your DistroAV release. Requirements have changed: the 6.1.1 notes listed OBS 31+ and NDI 6+, while 6.2.0 notes specify OBS 31.1.1 and SDK 6.3.0.
- Verify operating system and architecture support, and check that a portable or custom OBS installation is using the plugin directory targeted by the installer.
- If an older OBS-NDI plugin remains installed, remove it before installing DistroAV 6.x.
The receiver cannot discover the feed
- Confirm NDI Output is enabled and that the receiving application or device is configured to discover or receive an NDI source on the network.
- Check network and firewall permissions on the sending and receiving systems. DistroAV 6.1.1 release notes mention added Windows firewall rules; installing the plugin alone does not guarantee discovery.
- Use the troubleshooting instructions for your specific DistroAV version rather than assuming the same discovery controls apply to every release.
The plugin reports a missing requirement
DistroAV 6.2.0 notes describe an installer for missing requirements on Windows and macOS and improved management of those requirements. Install or update the dependency specified by the current plugin installer or release notes, then restart OBS and check again.
#1 Best Overall
ZowieBox, 4K HDMI NDI Video Encoder/Decoder, HDMI NDI
- Compact but Powerful Design: ZowieBox is smaller than a phone, featuring a tally light and LCD screen for streaming status. Capture console gameplay in up to 4K with zero-lag HDMI passthrough, while the built-in video encoder converts video for IP streaming. The IP stream can also be decoded back to a 4K HDMI signal.
- Standalone Game Streaming: Just plug and play—ZowieBox enables PC-free live gaming without affecting gameplay. As an RTMP hardware encoder and HDMI streamer, it delivers stable streaming directly from your source, making it ideal for gaming, live events, and professional broadcasting.
- NDI|HX3 Converter Technology: ZowieBox converts HDMI signals to NDI|HX3/HX2/HX, functioning as an NDI video encoder, or NDI Video Decoder for flexible IP workflows. Certified NDI technology enables low-latency gameplay streaming through OBS/vMix. Note: Encoder and decoder modes cannot run simultaneously; full NDI signals are not supported.
- UVC to HDMI Conversion: Supporting up to 4K@30fps and 1080p@60fps decoding, ZowieBox enables flexible conversion for webcam and video workflows. As a video decoder and HDMI to IP converter, it expands connectivity options for professional video devices. Note: USB capture card functionality is not currently supported.
- All-around Configuration Options: Control ZowieBox through its web UI on a PC, phone, or tablet. Manage connected PTZ cameras, tally light, video/audio, OSD, work mode, streams, network, and system settings. Support for VISCA over IP encoder workflows enables flexible PTZ control, while the dashboard provides video preview and system status.
Or let it run in the cloud
If your goal is a pre-recorded YouTube channel that stays live around the clock, NDI output is not the same as cloud playout. With StreamNeo, upload a recording or build a playlist, add your YouTube stream key once, and go live. StreamNeo loops uploaded videos from the cloud, so no computer or home connection has to stay on.
Quick Recap
Bestseller No. 1
Bestseller No. 2
Bestseller No. 4
Best Value
![J-Tech Digital HDMI Video Encoder H.264 H.265 IPTV Network Video Encoder 4K 30Hz with NDI, Audio Embed, PoE, Supports UDP, HTTP, RTSP, RTMP, ONVIF, NDI HX2 Protocols [JTECH-ENCH6]](https://m.media-amazon.com/images/I/4145dZIHX6L._SL160_.jpg)
J-Tech Digital HDMI Video Encoder H.264 H.265 IPTV Network Video Encoder 4K 30Hz with NDI, Audio Embed, PoE, Supports UDP, HTTP, RTSP, RTMP, ONVIF, NDI HX2 Protocols [JTECH-ENCH6]
- ✅ H.264 / H.265 / MJPEG / NDI | HX2 / RTMP / RSTP - Select from various compression types to optimize bandwidth and image quality. Supports a wide range of protocols includes NDI|HX2, UDP, HTTP, RTSP, RTMP, ONVIF.
- ✅ Up to 4K@30Hz Resolution | HDMI Loop Out: Supports 4K@30Hz HDMI input / HDMI loop-out / encoded stream (main). Simultaneously stream your broadcast to up to 4 different platforms to reach the widest audience possible! Please note: For 4K@30Hz support, the EDID selection for the encoder within the webGUI must be set to 3840x2160@30.
- ✅ Analog Audio Embedding | USB Port - Seamlessly combine digital HDMI video with analog audio for high-quality streams—perfect for live events that require audio from a mixing board. Features USB port for plugging in USB storage device to record the live streams.
- ✅ Stream Start / Stop Button | LCD Display Panel – Easily start or stop your broadcast by pressing the “Stream” button on the encoder. Features an LCD display panel, making it easy for you to check vital encoder info, such as the IP Address, Video / Audio information, Stream status, and more.
- ✅ Free Lifetime Technical Support: All J-Tech Digital products include a one-year manufacturer replacement warranty and free lifetime technical support from our customer support team located in Stafford, TX. Support is available from 9AM – 6PM CST, Mon – Fri. Contact information available on our seller page.
Rank #4
HDMI to Full NDI Encoder | NDI to HDMI Converter, Decoder 1080P60fps with POE, HDMI Loop Out, Low Latency for Live Streaming & Live Production
- 2-in-1 Full NDI Encoder & Decoder Easily switch between HDMI to Full NDI encoding and NDI to HDMI decoding via Web UI. One device replaces two, ideal for live streaming and IP video workflows.
- True Full NDI – Not NDI HX Supports Full NDI protocol for higher bitrate, sharper image quality, and lower latency compared to NDI HX. Built for professional broadcast environments.
- Ultra-Low Latency Performance End-to-end latency is under 60ms for smooth real-time video transmission. Perfect for live events, conferences, and production setups.
- PoE Powered for Easy Setup Supports Power over Ethernet (PoE) for single-cable setup, or use USB-C for flexible power options. Simplifies installation in any environment.
- Professional Features Built-In Includes HDMI loop out, PTZ control, tally light, audio embed/de-embed, and LCD display for real-time monitoring and control.
Rank #3
WayPonDEV Link Pi ENC1-V3 4K NDI HDMI Encoder Decoder, Support SRT/RTMP/RTSP/HTTP/ONVIF/HLS Transmission, 1080P HD Video Encoder for YouTube Facebook Twitch Live Broadcasting
- [Multi-protocol Transmission] ENC1-V3 HD encoder with HDMI 1.4 support up to 4K@30fps 1080p@60fps input and multi protocol live broadcasting, including SRT/RTSP/RTMP/RTMPS/HTTP/HLS/UDP/ONVIF/Unitcast/Multicasting, by enabling the SRT protocol, users can connect any channel of the encoder to OBS, vMix and other software for secondary editing and publishing.
- [Full HD 4K/1080P Resolution] ENC1-V3 4K HD encoder Supported resolutions including 4K30, 1080P, 720P, 1600×1200, 1440×900, 1366×768, 1280×1024, 1024×768, 800×600, 640×480. Maximum Bit Rate: 20Mbps. Supports efficient conversion between H.264 and H.265 (HEVC). Support video streaming protocols can be converted to each other arbitrarily.
- [Support WiFi6 4G/5G Module] ENC1-V3 4K encoder support multiple brands of 4G/5G modules, WIFI6, extended network devices, WIFI6 models support: Link Pi WiFi6 USB Adapter, COMFAST-957AX and COMFAST 952AX driver version. Support plug and play, Internet without worry. ENC1-V3 encoder also onboard 2GB DDR4 RAM 8GB eMMC.
- [Support for Mainstream Platforms] ENC1-V3 4K HD encoder compatible with most Internet video platforms/streaming sites such as YouTube Live, Facebook Live, Twitch;Built-in web server gives you the power to modify settings such as IP address, bit rate, and fps.
- [Latency Less Than 100MS] ENC1-V3 not just a encoder, it support decoding, director, mixing and other functions at the same time. And can achieve one-click remote assistance, live game, online class teaching. Latency is less than 100ms, enjoy real-time interactive experience.
Rank #2
Zowietek ZowieBox 3G SDI NDI Video Encoder/Decoder, SDI NDI
- SDI NDI Encoder Decoder: Encode SDI signals to NDI or decode NDI signals to SDI. It supports NDI|HX3, NDI|HX2, and NDI|HX (Certified), but not full NDI (NDI|HB). Streamlines workflows with high-efficiency NDI|HX formats, ensuring seamless integration between different production systems. Note: ZowieBox cannot be used as an encoder and decoder at the same time. It can only switch between the two working modes, not use both modes at the same time
- AVoIP to NDI and SDI: It can decode AVoIP video streams (RTMP, RTSP, SRT) into NDI and SDI in decoding mode, seamlessly integrating diverse video sources into NDI-compatible workflows for enhanced efficiency in media production and broadcasting
- UVC to SDI Converter: Easily turn your UVC cameras into SDI cameras. With up to 1080@60fps decoding resolution, ZowieBox allows you to unfold more possibilities for webcam devices. Note: USB capture card functionality is not supported
- SDI Extender: Using two ZowieBoxes enables point-to-point transmission: one serves as an SDI encoder/transmitter, while the other functions as an SDI decoder/receiver. This setup allows SDI video signals to be transmitted via a LAN. Note: The SDI signal of ZowieBox (hardware before 10.1.13) is not compatible with ATOMAS SHOGUN INFERNO, SHOGUN ULTRA, Blackmagic Decklink Quad 2
- Standalone Live Streaming: Just plug and play, ZowieBox can stream videos PC-free, not affecting your computer performance at all. Support SRT caller/RTMP(S)/RTSP streaming protocol
- Any uploaded quality up to 4K 60fps streams as made, at one flat price per slot.
- Automatic recovery starts the stream again if YouTube drops it.
- The first day is free with no card required.
- Monthly: $9.99 per month.
See StreamNeo or start your free day.
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