Blockstar Software

Born from necessity.
Built for the Mac.
Free for everyone.

Native SwiftUI apps for macOS 14+

Human vision, AI execution

Projects

A skill for Claude Code and Codex that overhauls a decades-old music library into a lossless collection you care about.

A menu-bar switch for bit-perfect listening: your DAC follows each Apple Music track's sample rate.

Cut a clip out of a video to the millisecond without changing the video, or join several into a highlight reel.