offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers
Side-by-Side Video
Place two videos horizontally next to each other for comparisons, reactions, before/after demos, and split-screen effects.
What this tool does
Side-by-Side Video helps you place two videos horizontally next to each other for comparisons, reactions, before/after demos, and split-screen effects.
What you get
Side-by-Side Video produces a direct output in this page and keeps all processing on your device, with nothing uploaded to our servers.
Files are processed locally in your browser using WebAssembly. This input is required.
Saved FFmpeg presets (stored locally)
Note: This tool requires uploading two video files. Current implementation is limited to single file input. Use desktop video editing software for creating side-by-side videos.
Report a bug
If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.