The best available tools to perform code migrations from a source database or Spark application to Snowflake.

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Move off the desktop with our VB6 to C# converter

VB6 Converter for .NET & Web

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VBUC generates native code without runtimes.

VB6 has been out of support for over a decade. The Visual Basic Upgrade Companion quickly and efficiently migrates VB6 code to C# or VB.NET and .NET Core (up to .NET 7) or Framework with Windows Forms. Faster than a rewrite, more productive than all other solutions.

Need a web version? Once migrated with VBUC to .NET (Framework or Core), you're ready for the next step with WebMAP to convert that new code to Angular, HTML5, and ASP.NET Core. 

Unlike a rewrite, VBUC moves existing back-end logic to the new platform, keeping proven and debugged logic and processes intact and dramatically reducing the total defects to be resolved following the migration.

Mobilize.Net VBUC 9.5 supports .NET 7

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Try it now!

Just run the  VB6 migration tool and you'll get clean, human-readable C# or VB.NET source code with all your symbol names and comments preserved. Choose .NET Core or classic .NET--whichever you prefer. All versions of .NET Core including .NET 7 are supported.

Watch a VB6 app with an Access database get migrated to C# and .NET in minutes. Test VBUC with our sample code.

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Modernize Windows apps to the Web

Automated migration reduces the time and cost to modernize existing desktop apps compared to rewriting from scratch.

AI-assisted algorithms produce native code with .NET  and .NET Core for safe, performant, and familiar applications that can be deployed immediately. Applications as large as 5 million lines of code have been migrated fully in months, not years.

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VBUC Quick Start Guide

Follow these steps to get the maximum benefits from the Visual Basic Upgrade Companion

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VBUC Features

This section describes in full detail the advanced features present in Mobilize’s VB to .NET migration product.

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VBUC Installation Guide

A step-by-step guide for installing Mobilize’s powerful VB to .NET migration product.

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Activate your VBUC license

VBUC requires a license file to work, whether you are using it in evaluation mode or have purchased a license.

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VBUC Documentation

The complete VBUC documentation including the Migration Guide and FAQ section.

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Assessment and Analysis

A successful Visual Basic 6 to .NET upgrade project plan depends on careful analysis and assessment.

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Mobilize.Net Your Code. New. Again.

Mobilize.Net offers valuable technology and services that help customers easily modernize their legacy applications for use on today’s modern platforms and devices program at Microsoft.

- Shawn Nandi, Sr Director, Cloud App Development, Data & AI Marketing

We were able to migrate our VB6 code to .NET using the VBUC license we acquired through MSDN. After the migration only a few things needed manual modification. So your software did a great job and saved us a lot of time

- JMarco Botermans, Owner - Fluke

Mobilize.Net has a strong track record of building products that successfully automate challenging source code migrations, and this [product] will empower our customers to get up and running on Snowflake sooner.

- Chris Degnan, CRO at Snowflake

Mobilize.Net seemed the only one that sorted out the details, not only the basic issues of a migration engagement. Its product, the Visual Basic Upgrade Companion, included unique, powerful features, many of which turned out to be very valuable for this specific project, like ADO to ADO.NET conversion and error handling transformation

- Rod Coles – President, Bold Technologies, Ltd

We ran a proof of concept comparing the Visual Basic Upgrade Companion (VBUC) with other VB6 migration tools and we definitely preferred the way VBUC handled the conversion.

- James Lewis Stevenson II – Software Design Engineer, GT Software

Your Code. New. Again.