Excalicast — Whiteboard Recorder
Record a whiteboard, export every aspect ratio
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zhijiang chen

Excalicast — Whiteboard Recorder - Record a whiteboard, export every aspect ratio

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Excalicast is a browser-based whiteboard recorder. Draw in an Excalidraw canvas while it captures your operation stream + voice (not screen pixels), then export one take to 16:9, 9:16, 1:1, and 4:5 MP4 — ready for YouTube, TikTok, and Instagram. No download, no sign-up, renders locally in your browser.

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zhijiang chen
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Hi PH 👋 I built Excalicast because screen-recording a whiteboard always broke when a window overlapped or I switched tabs. Excalicast records the operation stream instead of pixels, so the video is always clean — and because frames are re-rendered, the same recording exports to any aspect ratio without re-recording. It's free to record + export (watermarked), local-first, no account. Would love your feedback!