Collaborative Whiteboard SDK
Support draw, text, shapes, images, PPT animation, etc.


  • Ultra-low latency

    Real-time synchronization in milliseconds, smooth experience under poor network conditions.

  • Minimized data traffic

    Minimized traffic by only transferring the diffs, a customized high-efficiency data compression algorithm is used.

  • Safe and reliable

    Encrypted transport to ensure the security and integrity of the whiteboard data and create a truly reliable whiteboard service.

  • Privatization deployment

    Support deploy in private cloud and hybrid cloud when users have strict secure requirement or restricted network environment.


Support iOS、Android、macOS、Windows、Web、WeChat、H5、Flutter、Electron、React Native

  • Real-time interactive whiteboard

    Support one-to-one, many-to-many real-time interactive whiteboard, support more than 1,000 whiteboard rooms

  • Plenty of whiteboard tools

    Support brush, eraser, graphics, color, text, laser pointer, screenshot, erase, redo, undo, zoom out and many other tools

  • The whiteboard syncs with audio and video

    The whiteboard channel and the audio-video channel are independent of each other and can be carried out at the same time to realize the synchronization of the whiteboard track

  • Dynamic courseware/document sharing

    Support document transcoding, can present PPT dynamic effect, support audio and video playback, restore more than 99% of the demonstration effect

  • Background

    Support uploading local image or external image URL as whiteboard background image

  • Page preview

    Support to view document thumbnails through the side preview box, also support to jump directly to the specified page

  • Multiple whiteboard interactions

    Support to open multiple independent whiteboards, and create a richer experience of teaching scenes through the permission control of different users

  • Follow-up of Perspective

    Support real-time synchronization of courseware operation according to the presenter, such as courseware dragging and dropping, zooming-in and zooming-out, etc.

  • Custom transport channels

    Through the whiteboard custom channel, text, pictures, video and other data can be real-time transmission

  • Cloud mixed streaming recording

    Audio and video, interactive whiteboard, and screen sharing are recorded synchronously in one video file, recording all at once

  • Whiteboard video playback

    Provides cloud storage function, which can playback and record video files on demand to meet various requirements such as review, quality inspection and supervision


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