Tool Open source

VB6 Studio Web

VB6 Studio Web is a browser-native classic Visual Basic development environment, form designer, source runtime, and controls library built with HTML, CSS, and JavaScript. It lets users edit VB-style source, design forms, run projects, step through them in a debugger, open Visual Basic 6 .vbp projects and groups, and export projects as independent single-file HTML applications.

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Overview

Its compiler and cooperative virtual machine execute VB-style source through their own instruction model rather than JavaScript eval. The IDE includes project and source editing tools, classic controls, events, data-source adapters, MDI support, conditional breakpoints, statement stepping, watches, error trapping, and debugger inspection. Rendering uses WebGPU with a Canvas2D fallback, and the project includes browser-compatible subsets of Win32 and GDI functionality.

The project requires Node.js 22 or later, has no npm package dependencies for its main build, and can run from a local server or static host without a service, database, or account. It is MIT-licensed. The repository states that it is not a complete, native, or pixel-identical Microsoft VB6 replacement; native COM/OCX execution, full VB6 and Win32 compatibility, and some designers and APIs remain limited or unfinished.

What VB6 Studio Web is used for

1 use taken from transcripts — each links to the moment in the video.

  • VB6 Studio Web brings the classic Visual Basic workflow into the browser: lay out forms, edit VB-style code, run and step through it in a debugger, export as a standalone HTML app, and open original VB6 project files.

Videos mentioning VB6 Studio Web

1 in the library.