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noVNC review

Free#109 of 134 in Remote Desktop Software

A focused, embeddable browser VNC client for developers—not a full remote-support suite.

5.4/10Editor score
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

noVNC is an open-source HTML5 VNC client and JavaScript library for connecting to VNC servers through web browsers. It uses WebSockets and Canvas, supports modern desktop browsers plus mobile browsers on iOS and Android, and can be embedded into other web applications. The product is aimed at developers who need browser-based VNC access inside an application or deployment, rather than teams seeking a hosted remote-support service. Its free, open-source model and MPL-2.0 license suit projects that want to operate and adapt the client directly.

The core feature set covers practical remote desktop interaction: scaling, clipping, remote desktop resizing, clipboard copy and paste with Unicode support, touch gestures for mouse emulation, multiple VNC authentication methods, and support for multiple VNC encodings, including H.264. Optional view-only sessions add a narrower access mode for scenarios where interaction should be disabled. Integrations with OpenStack, OpenNebula, LibVNCServer, and ThinLinc improve its fit within VNC-based infrastructure. Deployments typically need a VNC server and, where necessary, the websockify WebSocket-to-TCP proxy, so implementation depends on the surrounding environment.

noVNC’s strength is focus: it delivers browser access to VNC and provides an embeddable client library without adding a commercial tier structure. That makes it a strong choice for developers building browser-based remote desktop experiences or connecting existing VNC infrastructure to web applications. It is less suitable for organizations looking for a broader remote-support product with file transfer, session recording, or managed-device capabilities. Choose noVNC when browser delivery, open-source access, and integration flexibility matter most; choose an alternative when remote-support workflows extend beyond VNC connectivity.

noVNC pros and cons

  • Where it wins
    • Free and open source under the MPL-2.0 license
    • Embeddable JavaScript client with browser and mobile browser support
    • Supports resizing, clipboard, touch gestures, authentication, and H.264
  • Where it doesn't
    • Requires a VNC server and, where needed, the websockify proxy
    • No file transfer support
    • Does not provide full remote-support suite capabilities

noVNC fact sheet, pricing and score →

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