Create professional, customizable lower thirds for your live stream overlays. Generate clean HTML and CSS code instantly for OBS, Streamlabs, and more.
AI Generation Prompt
Free Live Stream Lower Thirds Overlay Generator
Overview
A high-performance, browser-based utility that empowers streamers to create professional-grade lower-third overlays. This tool eliminates the need for complex graphic design software by allowing users to generate clean, lightweight HTML/CSS code that can be dropped directly into any "Browser Source" in broadcasting software like OBS.
Technical Specification
- Architecture: Single-file HTML (Vanilla JS/CSS/HTML5).
- Styling: Tailwind CSS (via CDN) for a clean, modern, SaaS-inspired light-mode interface.
- Performance: Zero external dependencies (other than necessary CDNs). No
localStorageor persistence; all state is handled in-memory. - Responsive Design: Split-pane interface. On desktop, the configuration panel is on the left (60%) and the live preview/code output on the right (40%). On mobile, it stacks vertically.
Feature List
- Dynamic Editor: Inputs for Primary Text, Secondary Text, Font selection (Web-safe fonts), Font Weight, and Text Size.
- Visual Controls: Color pickers for background and text colors. Sliders for border-radius (0-50px) and padding (0-40px).
- Animation Library: A selector for entrance/exit animations (Fade, Slide from Left, Slide from Bottom, Expand) implemented via pure CSS
@keyframes. - Live Preview: A sandboxed container that renders the overlay exactly as it will appear in the stream.
- Code Exporter: A read-only area containing the clean HTML and CSS blocks, with a "Copy to Clipboard" feature for both.
- Reset/Clear: A button to reset all values to default to start a new design.
UI/UX Design
- Aesthetic: Clean, professional, high-contrast light mode. Using a palette of whites, light grays (
#F3F4F6), and vibrant blues (#2563EB) for action buttons. - Typography: Inter or System UI font stack for maximum readability.
- Feedback: Smooth hover transitions on buttons and inputs. Modals for "Copied to Clipboard" success messages rather than browser
alert(). - Shadows: Soft, subtle drop shadows on the preview card and input panels to provide depth.
Implementation Directives for Developer
- DO NOT use
localStorageor any browser-side storage. Handle all state updates via state objects in memory. - STRICTLY use light mode. Do not include dark mode toggles.
- SANDBOXED: Ensure all code is encapsulated. If you use third-party libraries, load them via CDN.
- RESPONSIVE: Ensure the preview container maintains aspect ratio or scales proportionally when the browser window is resized.
- COPY FUNCTIONALITY: Implement a custom copy-to-clipboard function that creates a temporary
textarea, selects the text, and executes the copy command, then removes the element.
Spread the word
Files being used
Frequently Asked Questions
Everything you need to know about using this application.
How do I integrate these generated lower thirds into my streaming software?
To use these overlays, copy the generated HTML code and paste it into a 'Browser Source' within your preferred streaming software like OBS Studio or Streamlabs. You will then need to copy the corresponding CSS provided in the code output box and paste it into the 'Custom CSS' field within that same Browser Source's properties. This method ensures that your lower thirds render exactly as you designed them in the preview. Since the code is lightweight and utilizes CSS-based animations, it will not consume significant CPU resources, keeping your broadcast quality stable while maintaining a polished, professional look for your viewers.
What customization options are available in this tool?
Our generator offers comprehensive control over the appearance of your lower thirds. You can define the primary and secondary text, adjust background and text colors using a color picker, modify border radius for rounded edges, and tune padding to ensure the text fits perfectly within the container. Beyond basic aesthetics, you can also select from various CSS-only entrance animations such as 'Slide In', 'Fade In', or 'Pop In'. These animations are optimized for performance, ensuring they trigger smoothly during your broadcast without the need for additional JavaScript or external dependencies.
Is this tool compatible with all streaming platforms?
Yes, because the output is standard HTML5 and CSS3, these lower thirds are compatible with any broadcasting software that supports the 'Browser Source' feature. This includes OBS Studio, Streamlabs Desktop, StreamElements, and vMix. The code is platform-agnostic and relies only on your browser's rendering engine. You do not need to worry about proprietary plugins or platform-specific dependencies. By generating the code directly, you retain full control over your broadcast assets and can host or modify them however you see fit for your specific streaming setup.
Why does this tool not save my progress or settings?
For security and stability, this application is designed to be completely stateless and runs entirely within your browser's volatile memory. This means it does not use cookies, localStorage, or any form of permanent storage, which is a requirement for running securely within sandboxed iframe environments. This approach ensures that your data remains private and that the tool remains fast, lightweight, and compatible across all environments. We recommend keeping your generated code in a local text file or notepad if you plan to reuse or update your specific lower third designs frequently.
