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即时设计

Browser-based UI design with handoff, prototyping and design systems

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What 即时设计 is

JSDesign, written 即时设计, is a browser-based interface design tool serving Chinese designers. It positions itself as a professional-grade product for interface work that runs from the cloud.

Cloud-first matters more in this category than it may seem. Design is reviewed by people who never open the design application, and software that assumes a desktop install quietly excludes them.

What it does

More than an editor sits under the name. A prototyping tool runs alongside the design tool, a separate product handles requirement documents, and a private deployment edition exists for organisations unable to use shared infrastructure, which together cover the path from brief to handover.

Reach across platforms is wider than design tools normally manage, taking in browsers, macOS, Windows and Linux as well as iOS, Android and a mini-program within WeChat. That range is the practical answer to a review meeting, where whoever signs off is often holding a telephone.

The footer lays out the surrounding resources: a community, a file import route, a help centre, a page of recent features and an enterprise service.

A private deployment option is the detail that opens doors in regulated organisations, since it removes the shared-infrastructure objection entirely rather than arguing around it.

Who it is for

It suits people who design interfaces and experiences, product managers and front-end engineers inside Chinese organisations, especially where non-designers must open the same file without installing software.

It is a poor fit for a team whose work has to travel between Western tools every day, since that exchange is the weakest link in any switch.

Points to weigh

File import is the feature to examine first when weighing a move, because switching design tools comes down to what survives the journey rather than to feature comparisons. Bringing a file in from elsewhere reveals how much structure, componentry and history makes it across, and only a trial answers that.

Since this is shared infrastructure used by organisations, data questions sit at the centre. Terms of service are published, which is a better starting point than many competitors provide, yet the home page says nothing about where project material is held.

As with any platform operated in China, organisations under data-residency or cross-border transfer rules need to establish where processing happens and whether private deployment changes the answer.

Two practical points. Cost is not shown on the home page even though a pricing route exists, and the free tier's boundaries covering files, collaborators, version history and team features go unstated, so the point at which a team outgrows it cannot be predicted.

A credible option in interface design, with platform reach and private deployment answering two standard objections to Western tools. Validate the import, confirm the data terms and price the tier before committing a team.

Pros & cons

✓ What we like

  • Covers design, prototyping and product requirement documents in one product line
  • Runs in a browser, so non-designers need no desktop install
  • A private deployment edition addresses domestic storage requirements

! What to watch out for

  • Migration depends on how well file import preserves components and links
  • A tool aimed at a domestic market may handle cross-border sharing differently

FAQ

Can I move an existing design file in?

Import is supported, but whether layers, components, styles and prototype links survive should be tested on a representative file first.

Does it need a desktop install?

No. It is a cloud-based tool that runs in a browser, which lets non-designers open the same file.

Is there a self-hosted option?

Yes. A privately deployed edition is offered alongside the cloud product.

Last reviewed: 2026-09-17

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