Smart Lower Thirds

Smart Lower Thirds 2.6.5

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Overview Updates (9) Reviews (4) History Discussion
Supported Bit Versions
  1. 64-bit
Source Code URL
https://github.com/mmlTools/smart-lower-thirds
Minimum OBS Studio Version
32.0.2
Supported Platforms
  1. Windows
  2. Mac OS X
  3. Linux
Screenshot_8.png Screenshot_9.png Screenshot_10.png

Smart Lower Thirds

Smart Lower Thirds is a fully featured lower thirds plugin for OBS Studio that lets you create, customize, and automate beautiful broadcast-style overlays without external files, third-party tools, or browser-source hacks.​

⚠ Updating from an older version?

Smart Lower Thirds no longer uses a built-in local webserver and no longer supports scene binding.
The overlay is now loaded as a local file in an OBS Browser Source, and lower thirds are triggered via the dock, hotkeys, or timed automation.

Migration checklist:
• Replace any http://127.0.0.1:... URLs
• Update templates to the new placeholders
• Follow the installation steps in the video below
• Clear OBS cache related to Smart Lower Thirds
(usually in: %appdata%\Roaming\obs-studio)
Click to expand...

This plugin is built for streamers, event hosts, educators, podcasters, and professional studios who want clean, animated, and reliable lower thirds that integrate directly into OBS.

Platform Note:
Currently fully tested on OBS Studio 32.0.2 (Windows 11, 64-bit).
macOS and Linux builds are generated via GitHub Actions, so full stability on those platforms cannot yet be guaranteed.
Click to expand...

Template Documentation:
• Placeholders: https://mmltools.github.io/smart-lower-thirds/#placeholders
• Templates Guide: https://mmltools.github.io/smart-lower-thirds/#templates
Click to expand...

❤️ Support Development

If you enjoy Smart Lower Thirds or need custom templates:

Ko-fi: https://ko-fi.com/mmltech
PayPal: https://paypal.me/mmlTools
Shop: https://ko-fi.com/mmltech/shop

Your support helps keep the plugin free and continuously improved for the community.​
Author
MMLTech
Downloads
3,376
Views
10,931
First release
Last update

Ratings

5.00 star(s) 5 ratings
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Latest updates

  1. v2.6.5 Is now released

    We’ve implemented four new color placeholders to give you even more control over your lower...

  2. V2.6.4 Released to adress minor bugs in the main minor version

    ✨ Summary This update focuses on visual polish, layout stability, and usability improvements...

  3. Version 2.6.0 is now Released

    Smart Lower Thirds – Changelog (Latest Release)
Read more…

Latest reviews

L
Another great release! But as I mentioned in you previous one, i noticed a small issue for windows users. You must put the overlay folder in Documents or a different drive partition. If it's in the OBS folder, Windows security might stop the plugin from writing data, so it's safer to keep the files elsewhere. OP mentioned in the video that he has installed OBS Studio in a different partition not in C:/
MMLTech
MMLTech
Appreciate your feedback and thank you for the heads up
Upvote 0 Downvote
W
It took me a while to figure out how to set it up for the first time as I am using a Mac, but well worth it! His update help are always getting more robust to. This is how Lower thirds should be. Ease of use etc...by the way MML tech answered all of my questions almost as soon as I put them up.....now, time to enjoy Smart Lower Thirds! Thank You MML Tech!
MMLTech
MMLTech
Appreciate your feedback <3 as always if any of you guys have issues I'm answering almost instantly on discord when I'm online
Upvote 0 Downvote
X
Awesome lower third plug-in very simple and easy to use. Great work.
MMLTech
MMLTech
Appreciate the feedback and your suggestions on Discord. Thank you for testing out this plugin.
Upvote 0 Downvote
I
works great. but ill leave some tips for people who have issues like I did below:
Installation notes (Windows)

My OBS plugins folder is located at:
OS (C:) > Program Files > obs-studio > obs-plugins > 64bit
That’s where I placed the .dll file.

Because OBS is installed in Program Files, Windows security will block plugins from creating or writing files there without special permissions.

Important fix (very important)

Instead of creating the plugin-data folder inside Program Files, I created it here:

Documents > OBS > plugin-data > slt

Then:

Restarted OBS

Enabled the Smart Lower Thirds dock

Set the Output Folder to:
Documents > OBS > plugin-data > slt

Clicked the “+” button to create a new lower third

⚠️ Note:
If you try to create the plugin-data folder inside Program Files, the “+” button will NOT work due to Windows security. That’s why placing it in Documents fixes the issue.

Adding the lower third to OBS (manual method)

The Add / Ensure browser source button didn’t work for me, so here’s the reliable manual way:

After creating a lower third, go to:
Documents > OBS > plugin-data > slt

You’ll see an HTML file (Windows may label it as a “Microsoft Edge HTML file”)

In OBS, go to your scene

Click + → Browser Source

Name it anything you like

Check Local File

Browse to the HTML file in the slt folder

Click OK

To test it, click between different lower thirds in the dock — you should see them animate in and display properly.

From there, you’re good to go and can start styling your Smart Lower Thirds
Thanks again to the creator for an awesome plugin!
MMLTech
MMLTech
Thank you very much for the review. And for the brieff explanation. Indeed I insatall my software in a separate path that making the windows security not trigger in this cases but what I said in the video is just a tip, you can create the resources folder wherever you want on the disk just make the browser source point to the right location.
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