General FAQ
Is Rackast available for Mac?
Rackast is a Windows desktop app.
What does the Free plan include?
Recordings up to 3 minutes and 720p export with a watermark.
What export formats are supported?
MP4 today; GIF is coming soon.
Do AI captions upload my audio?
No — captions are generated locally with an on-device Whisper model.
How many devices can I use with one license?
Two device activations per key.
Related guides
Plans & LicensingFree vs Pro comparisonCompare Rackast Free and Pro: 3-minute 720p watermarked recordings vs unlimited length, 4K/120fps, AI captions, and custom cursors on Windows.ExportingExport settings explainedUnderstand Rackast's export settings on Windows — resolution, frame rate, quality presets, and MP4 output with frame-accurate offline rendering.CaptionsAI captions with local WhisperAdd AI captions to your screen recording locally in Rackast on Windows using an on-device Whisper model — private, offline, no upload.