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 while preserving quality. It was produced and directed with full AI assistance, and shipped in 2 days from idea to public release. Originally created to streamline long-recording upload prep, MediaSeg is useful for NotebookLM and other size-limited upload destinations.
MediaSeg is a local macOS utility that splits large media files into upload-ready chunks while preserving quality.
It was produced and directed with full AI assistance, and shipped in 2 days from idea to public release.
Feedback welcome on workflow clarity, screenshots, and positioning.
About MediaSeg on Product Hunt
“Split large media files into upload-ready chunks on macOS”
MediaSeg launched on Product Hunt on June 22nd, 2026 and earned 113 upvotes and 11 comments, placing #9 on the daily leaderboard. MediaSeg is a local macOS utility that splits large media files into upload-ready chunks while preserving quality. It was produced and directed with full AI assistance, and shipped in 2 days from idea to public release. Originally created to streamline long-recording upload prep, MediaSeg is useful for NotebookLM and other size-limited upload destinations.
On the analytics side, MediaSeg competes within Mac, Productivity, Meetings and GitHub — topics that collectively have 805.6k followers on Product Hunt. The dashboard above tracks how MediaSeg performed against the three products that launched closest to it on the same day.
Who hunted MediaSeg?
MediaSeg was hunted by Sho Nishikawa, ExaEdge. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of MediaSeg including community comment highlights and product details, visit the product overview.
Sho Nishikawa, ExaEdge