Side by Side Video Maker: Create Dynamic Split Screens
Easily make side by side videos online. Combine clips, choose layouts, and get perfect exports with aspect-ratio resizing.


Creative Engine
No Crew. No Cuts. Just Your AI Video Agent at Work
Agent is the first creative engine built to transform a single prompt into a complete video.
Prompt-Native Video Creation
Agent is the first creative engine built to transform a single prompt into a complete video. You describe the idea. Agent returns a fully constructed, publish-ready asset. There is no need to write scripts, manage assets, or piece together content manually.
End-to-End Video Generation
Agent handles the full video creation process. It writes a clear and compelling script based on your idea, selects images that match the tone and message, adds natural and emotion-aware voiceover, applies edits and transitions for polished pacing, and finalizes subtitles, timing, and rhythm for clarity and performance.
Built with Structure and Intent
Unlike traditional workflows that rely on timelines and manual assembly, Agent constructs videos from the ground up. Each output is intentionally designed to match your goal. From messaging and rhythm to scene flow and audience fit. The result is a coherent and purpose-driven video.
Use Cases
Harness HeyGen's AI video capabilities to rapidly produce dynamic content, perfect for your side by side video maker needs. Easily combine videos and transform ideas into compelling split screen video experiences that capture attention online.

Frequently Asked Questions
How can I leverage HeyGen as an online video editor?
HeyGen provides a comprehensive online video editor to create professional videos efficiently. You can upload video clips, add AI avatars, generate voiceovers, and incorporate subtitles to craft compelling content directly in your browser.
What layout options are available for combining multiple video clips in HeyGen?
HeyGen empowers you to add multiple video clips and images across different scenes, leveraging various templates and layout options to structure your content. You can arrange and combine videos within the video timeline to craft professional narratives, then export your video effortlessly.
Can HeyGen help me create professional videos with advanced editing features?
Absolutely, HeyGen is a powerful video editing app designed for professional video creation. You can utilize features like text-to-video, AI avatars, voiceover generation, and branding controls to ensure your videos look polished and impactful before you share on social media.
How can I upload and manage video assets within HeyGen's online platform?
HeyGen makes it simple to upload video content and other media directly into your project. Our intuitive drag and drop videos interface allows you to efficiently organize your uploaded video clips and integrate them seamlessly into your video timeline for editing.
