Free OBS Overlays and Stream Assets
OBS Studio is the backbone of most live streams, but finding overlays that actually work with Media Source is harder than it should be. Most overlay packs ship as static images, browser source widgets, or MP4 files with baked-in backgrounds. None of those give you clean transparency without workarounds.
Video Effect Vibe generates animated overlays as transparent WebM files. You describe what you want, download the file, and drop it into OBS as a Media Source. No chroma key, no browser source CPU drain, no plugins. If you want a broader look at stream assets beyond OBS, check the streamer guide or browse what other creators have built in the community library.
Stream Starting Soon Screens
Starting soon screens fill the dead air while you get your mic levels right and wait for viewers to trickle in. The animated versions work better than static images because they signal that the stream is live and active, not frozen. A looping countdown timer or animated background keeps people in the tab instead of clicking away.
Generate a countdown or waiting screen, export as WebM, and set it as a looping Media Source in your "Starting Soon" scene. When you are ready to go live, switch scenes. The overlay stops playing automatically.
Countdown timers and waiting screens
Webcam Frames and Borders
A webcam frame sits on top of your camera feed and gives it a polished edge. Animated frames are more engaging than static PNG borders because they add subtle motion that makes your facecam feel intentional rather than pasted on. Glow effects, pulsing borders, and themed frames all work well here.
In OBS, layer the webcam frame Media Source directly above your Video Capture Device. Resize both to match. Set the frame to loop so it plays continuously throughout your stream.
Animated camera frames
No assets in this category yet.
Alert Animations
Alert overlays fire when someone follows, subscribes, donates, or raids your stream. The standard approach is a browser source connected to Streamlabs or StreamElements, but browser sources are CPU-heavy. If your alerts are visual-only (no dynamic text from the API), a transparent WebM file triggered via OBS's Media Source is lighter and more reliable.
Generate your alert animation, download the WebM, and add it as a Media Source. Uncheck "Loop" so it plays once and stops. Use OBS Advanced Scene Switcher or a hotkey to show and hide the source when you need it.
Follow, sub, and donation alerts
Lower Thirds for Streams
Lower thirds sit in the bottom portion of the frame and display your name, topic, social handles, or sponsor information. They are standard in broadcast but underused in live streaming. An animated lower third that slides in and holds gives your stream a professional look that static text overlays cannot match.
For streams, you typically want a looping version that stays visible or a one-shot version that plays an intro animation and then holds on the last frame. OBS Media Source handles both. Set loop on for persistent display or off for a single play.
Speaker and topic labels
No assets in this category yet.
How to Add Overlays in OBS Studio
Adding a transparent WebM overlay to OBS takes about 30 seconds. Here is the exact process:
- Open OBS Studio. In the Sources panel at the bottom of the screen, click the + button.
- Select Media Source. Give it a descriptive name like "Webcam Frame" or "Sub Alert" so you can find it later.
- Click Browse and select the
.webmfile you downloaded from Video Effect Vibe. - Set the loop behavior. Uncheck "Loop" for one-shot animations like alerts and subscribe buttons. Check "Loop" for persistent overlays like webcam frames, lower thirds, and backgrounds.
- Click OK. Drag the source to position it in your scene and resize it as needed. The transparent areas will be invisible automatically.
Streamlabs note: The process is identical in Streamlabs. Media Source works the same way. Browse to your WebM file, set loop, and position it.
WebM with alpha transparency works natively in OBS. No chroma key. No plugins. No browser source CPU overhead.
Frequently Asked Questions
Are these OBS overlays really free?
+
Yes. Video Effect Vibe gives you free credits when you sign up. You use those credits to generate overlays, download the transparent WebM files, and add them to OBS. No watermark, no attribution required, no subscription needed to start.
How does transparency work in OBS without chroma key?
+
WebM with alpha transparency stores a full alpha channel in the file itself. When you load it as a Media Source in OBS, the transparent pixels are already transparent. There is no green screen to key out, no color spill to clean up, and no plugin to install. OBS reads the alpha channel natively.
What file format should I use for OBS overlays?
+
WebM with VP9 alpha is the best format for OBS overlays. It is lightweight, supports real transparency, and works natively in OBS Studio Media Source without any extra configuration. Video Effect Vibe exports this format by default for stream use cases.
Do these overlays work in Streamlabs?
+
Yes. Streamlabs supports Media Source the same way OBS Studio does. You add the WebM file as a Media Source, and the alpha transparency works identically. The setup steps are the same: browse to the file, set loop on or off, and position it in your scene.
Will overlays affect my stream performance?
+
Negligible impact. A WebM Media Source uses hardware video decoding and barely touches your CPU compared to a Browser Source running HTML and JavaScript. Short looping WebM files are typically under 2 MB and decode in a fraction of a percent of CPU time. If you are already streaming at 1080p60, adding a few overlays will not cause dropped frames.
Can I customize the colors and text in overlays?
+
When you generate overlays on Video Effect Vibe, you describe exactly what you want in your prompt: colors, text, animation style, timing. Every overlay is generated fresh from your description rather than pulled from a template library, so you get full control over the look and content before you ever download the file.
Need a custom OBS overlay?
Generate transparent video assets in minutes. No credit card required.
10 free tokens. No credit card required.