About Overlay
Add picture-in-picture, logos, or watermarks to video in your browser—free, no upload. Position and opacity controls, local export.
Frequently asked questions
- What can Overlay do?
- Add picture-in-picture, logos, or watermarks to video in your browser—free, no upload. Position and opacity controls, local export.
- Are my files uploaded to your servers?
- No. NanoPix runs in your browser with WebAssembly. Your video, audio, or image files stay on your device—we never receive them.
- Is browser-based editing private?
- Yes. Processing happens locally on your machine. Nothing is sent to NanoPix servers for encoding or storage.
- Is this tool free?
- Yes. NanoPix tools are free to use in a modern browser. No account is required for basic editing and export.