RAM Folder

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Turn any folder on your Mac into a native **macOS RAM disk** — two to three times faster than the fastest SSD, with zero SSD wear. The built-in `hdiutil` / `diskutil` route is manual and wipes its contents on unmount; a disk-image workaround adds layers of abstraction, slows it down, and reserves the full capacity twice (on disk and in RAM). RAM Folder wraps macOS's modern `tmpfs` in a native app. Point it at a folder you already use — a build directory, a package cache, Xcode `DerivedData`, a scratch folder — and that same path becomes a RAM disk, pre-seeded with your files. Nothing to migrate. It saves back to disk at eject and quit, imports the folder's data back on remount (it can also remount at login), and never writes build churn to your SSD. It's so seamless it behaves like an ordinary folder — hence the name: RAM Folder.