Zack 0.4.0

Zack 0.4.0 adds a dedicated Audio lane for video clips. Edit clip audio independently with its own trim range, volume, and fades, while it remains aligned with its video through timeline edits. This release also includes improved timeline tools, video transforms and speed controls, subtitle workflow refinements, and overall editor polish.

Zack 0.3.2

Zack 0.3.2

A cleaner, faster editing workflow.

• Preview now always shows the complete video timeline.
• Selecting a clip jumps the playhead directly to that clip.
• Trim controls now live in the selected clip’s Video panel.
• Added per-clip speed presets with synchronized timeline, preview, export, and subtitle timing.
• Refined Help, documentation, and the 0.3.2 installer.

Zack 0.3.1

Zack 0.3.1 refines the editing experience with cleaner side panels, compact subtitle controls, caption visibility options, caption-to-playhead navigation, and improved timeline feedback. It also fixes panel behavior so controls remain accessible while settings are expanded.

Zack 0.3.0

Zack 0.3.0 improves the editing timeline with a Fit view, a live playback indicator across video and music tracks, clearer video reordering feedback, smoother music editing, audio fades, and video fade transitions with stable black letterboxing.

Zack 0.2.0

Zack 0.2.0

Zack now offers a more polished editing workflow.

Highlights

• Choose YouTube Video or Shorts & Reels output formats.
• Drag clips more confidently with clear timeline insertion markers.
• Add and style editable subtitles with ten distinct caption presets.
• Adjust caption size and position while watching the preview.
• Generate subtitles locally with Zack’s bundled Whisper engine and voice activity detection.
• Duplicate clips with Command-C / Command-V or Command-D.
• Adjust each clip’s audio level with an output-peak meter to help avoid distortion.
• Improved project saving, Help, keyboard shortcuts, app icon, and DMG experience.

Everything remains local to your Mac—no account, cloud upload, Python, or Conda setup required.

Zack 0.1.0

First preview release of Zack — a slim, native macOS video editor with timeline editing, trimming, reusable clips, local subtitle generation, and editable captions.

Install: open the DMG and drag Zack to Applications.

Because this preview is not yet Developer ID-signed, macOS may require you to right-click Zack.app and choose Open on first launch.