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Add a speedrun timer to OBS by installing the LiveSplit One OBS plugin, then adding its source and choosing your split file and layout. If the plugin does not support your operating system or OBS version, use a timer with a browser-source overlay, such as OpenSpeedRun’s optional local overlay server.
Choose how the timer will enter OBS
There are two documented approaches: a dedicated LiveSplit One source, or an OBS browser source that displays timer data from OpenSpeedRun’s local WebSocket overlay.
| Approach | How it appears in OBS | Setup detail | Compatibility note |
|---|---|---|---|
| LiveSplit One plugin | A dedicated “LiveSplit One” source. | Install the release for your operating system, then select the split file and layout in the source properties. | Check the release against your OS, architecture, and OBS version; plugin support can vary. |
| OpenSpeedRun browser overlay | A browser source connected to a local WebSocket overlay. | Enable “OBS overlay server” in OpenSpeedRun’s configuration first; it is off by default. | The project describes Windows, Linux, and macOS releases, but says macOS is currently untested. |
OBS supports plugins that add sources, filters, and other features, but compatibility depends on the plugin and installed OBS build. See the OBS Project’s Plugins Guide before installing a plugin, especially if you use a less common platform or distribution.
Add LiveSplit One as an OBS source
- Check compatibility. Confirm that the LiveSplit One release supports your operating system and architecture, and check its notes against your installed OBS version. OBS plugins may be platform-specific or may not yet support the OBS version you have.
- Install the plugin for your system. Follow the project’s OS-specific instructions in the LiveSplit One OBS plugin README. It documents steps for Windows, Linux, Flatpak, and macOS; use the instructions for your installation rather than copying a path intended for another platform.
- Add the source. In OBS, open the scene where you want the timer. In the Sources dock, select +, choose LiveSplit One, and create or select a source.
- Choose the run and appearance. Open the source properties and select the split file for your run and the layout you want displayed. The plugin also allows multiple sources to share split state while using different layouts.
- Place and check the timer. Position and size the source in the scene, then preview the composition. Keep the timer readable while leaving important gameplay visible.
- Assign controls if needed. Open Settings → Hotkeys in OBS and assign hotkeys to the LiveSplit One source’s actions if you want to control it from the keyboard.
Use OpenSpeedRun with an OBS browser source
Choose this route if the dedicated plugin is not available for your platform or OBS build, or if you prefer a browser-based overlay. OpenSpeedRun’s overlay server is local and opt-in; a browser source cannot connect until you enable it.
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#1 Best Overall
Elebase USB to USB C Adapter for iPhone 18 Pro Max,USBC Car Charger Adapter
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
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- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
- Install and open OpenSpeedRun using the instructions in its project README.
- In its configuration, enable OBS overlay server. The server is off by default.
- Copy or note the local WebSocket endpoint provided by the running overlay server. Use the exact endpoint shown by your installation; do not substitute a remote URL.
- In OBS, add a Browser source to the intended scene and configure it to use the overlay integration and local endpoint as described by OpenSpeedRun. The repository includes a ready-made overlay example and documents browser-source customization.
- Start the timer server and preview the scene. If the browser source is blank, confirm the server is enabled and running, then check that the source points to the endpoint for that local server.
Make the timer legible in the finished scene
- Check the scene at the size viewers will actually see, not only while editing the full OBS canvas.
- Place the timer where it does not cover important gameplay, captions, or documentary footage.
- Preview the source after changing the split file or layout so you can catch a missing file or unintended presentation before recording or going live.
Troubleshoot common setup problems
| Symptom | Likely cause | What to check |
|---|---|---|
| “LiveSplit One” is missing from the Sources list. | The plugin may not be installed in the location or format expected by the OS, or may not support the installed OBS build. | Revisit the OS-specific README steps and verify OS, architecture, and OBS-version compatibility. |
| The timer source appears, but the run or layout is wrong. | The source properties may point to a different split file or layout. | Open the LiveSplit One source properties and select the intended split file and layout. |
| The browser overlay is blank. | The OpenSpeedRun overlay server is off, not running, or the browser source is using the wrong local endpoint. | Enable “OBS overlay server,” confirm it is running, and match the browser source to the endpoint provided by that installation. |
| The plugin works on one computer but not another. | Plugin availability can differ by operating system, architecture, and OBS version. | Check the target computer’s environment against the plugin’s release notes; use the browser overlay route if it is better supported for that setup. |
Or let it run in the cloud
For a YouTube channel that should stay live with uploaded videos, StreamNeo is a separate option from an OBS timer overlay: upload a recording or build a playlist, add your YouTube stream key, and go live. It loops uploaded videos from the cloud, so no computer or home connection has to stay on. StreamNeo is for YouTube, not a camera-based stream.
- Nothing has to stay on at home.
- Uploaded video streams as made, up to 4K 60fps, at one flat price per slot.
- Automatic recovery if YouTube drops the stream.
- The first day is free with no card required.
The monthly option is $9.99 per month. See StreamNeo for details, or start your free first day.
Quick Recap
Bestseller No. 5
Best Value
Anker USB C Hub, 5-in-1 USBC to HDMI Splitter with 4K Display
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
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UGREEN USB to USB C Adapter Combo 4-Pack, 10Gbps USB C Converter Space Gray
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- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
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Anker USB C Hub, 7in1 Multi-Port USB Adapter, 4K@60Hz USBC to HDMI Splitter
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
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Anker USB-C Hub, 5-in-1 USB Hub for Laptops, 4K HDMI Multiport Adapter
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
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- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
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