MediaSeg
Split large media files into upload-ready chunks on macOS
MediaSeg is a local macOS utility that splits large media files into upload-ready chunks for practical, size-limited workflows. It is useful for NotebookLM-style uploads and similar destinations, and now officially supports MP4, WEBM, and MOV, with M4A, MP3, and WAV available as experimental support. Recent updates also added theme and language support.
MediaSeg is a Mac company. It launched on Product Hunt on Jun 22, 2026, with 124 upvotes. Adamlead has 1 person on file at MediaSeg.
MediaSeg timeline
- Split large media files into upload-ready chunks on macOS
People at MediaSeg
Emails are shown masked, with whether each one has been verified. They're unlocked in the app with Lifetime access.
| Name | Title | |
|---|---|---|
Maker | – |
Frequently asked questions
Who works at MediaSeg?
Adamlead has 1 person on file at MediaSeg, including Sho Nishikawa (Maker). Each email shows whether it has been verified.