Stream overlay maker: live graphics, not static images
Most stream overlay packs are picture files you drop into OBS and never touch again. A live overlay is different: it knows the score, the guest’s name and today’s headline, and it changes them while you are on air. Here is what goes into one and how to build it.
What a stream overlay actually contains
Strip a professional broadcast down and you find four or five recurring elements. A stream overlay is the same list, scaled to one person and one PC:
- A name strap — who is talking, and why they are worth listening to. Lower third maker →
- A bug — the small persistent corner element: your logo, the score, the clock. Scoreboard overlay →
- A ticker — a crawl along the bottom for headlines, schedules or sponsors. News ticker software →
- Full-frame moments — starting soon, be right back, results, standings, a breaking-news band.
- Frames and mattes — the static furniture around a webcam or gameplay, which is the only part a picture file does well.
Static overlays versus live overlays
A picture overlay is fine for frames and borders — the shapes never change, so a PNG is the right tool. Everything with text in it is a different problem. The moment a name, a score or a headline is baked into a PNG, updating it means an image editor and a reload, which is not something you do calmly at minute forty of a live show.
A live overlay keeps the design in a template and the content in a panel. The design does not change during the show; the content changes constantly. Separating them is the whole trick.
Designing one that suits a stream
Broadcast graphics are designed for a television two metres away. A stream is watched on a phone in one hand. That changes three decisions: type is bigger relative to the frame, contrast is stronger, and there is less on screen at once.
Pick one accent colour and use it everywhere — the strap, the bug and the ticker should look like they came from the same place, because a mismatched overlay is the fastest way to look amateur. If you already have channel colours, use those; the design families in LowerThird Software recolour themselves from a single pair of values.
Keeping the corners clear
Platforms put their own furniture on your picture. Twitch adds chat and player controls, YouTube adds a title bar and end cards, Kick has its own chrome, and every one of them can cover a bottom corner on mobile.
Keep at least 5% clear on all four sides, and treat the bottom-right corner as borrowed space rather than yours. A ticker across the very bottom edge is the most common casualty of this — pull it up slightly and it survives every platform.
One source, everything on it
Once the elements are HTML5, they all live on a single transparent page, and OBS only needs one browser source. That is fewer things to align, fewer things to forget when you build a new scene, and one place to change your brand colours. The OBS setup takes about five minutes →
Build your overlay from live data Early-access builds are going out now — one browser source, and every element updates while you are live.
Get early access