Accelerate VB6 to .NET Migration by 50-70% With Legacyleap
End-to-end VB6 to .NET modernization platform that analyzes your codebase and delivers 100% functional parity 70% faster.
Unleash Unmatched Modernization Velocity with Legacyleap
Legacyleap sets new benchmarks for application modernization initiatives using Gen AI
2-5 days
to assess and document the entire legacy application
~70 %
modernization automated by Gen AI
2x
Faster modernization timelines vs. vendors or in-house
100%
functional parity, validated and compliant
Unleash Unmatched Modernization Velocity with Legacyleap
Legacyleap sets new benchmarks for application modernization initiatives using Gen AI
2-5 days to assess and document the entire legacy application
~70% modernization automated by Gen AI
2x Faster modernization timelines vs. vendors or in-house
100% functional parity, validated and compliant
PLATFORM
Legacyleap Accelerates Every Role in the VB6 Modernization Lifecycle
Legacyleap introduces Modernization 3.0 - with agents handling assessment, documentation, refactoring, rehosting, and validation of legacy apps through a single unified platform.
- Assessment Agent
- Documentation Agent
- Recommendation Agent
- Modernization Agent
- QA Agent
Assessment Agent
Start by Understanding your Legacy VB6 App
Upload your legacy codebase and generate a full technical-debt dashboard : risks, dependencies, and modernization hotspots.
Internal & External Dependencies
Code Issues
Technical-Debt Report
Documentation agent
Instantly document your entire legacy application
Legacyleap acts like an architect who’s been with your application since day 1. It auto-documents your entire legacy application - giving teams functional and technical documentation that are up to date.
SBOM
API Specs
PRD’s
BRD’s
FSD’s
Integration maps
Recommendation agent
Generate modernization recommendation + full VB6 to .Net migration plan
Agents recommends framework upgrades, refactoring priorities, and a full migration plan tailored to your stack. Know exactly what to modernize, in what order, with what effort.
Automated Stack Recommendations
Step-by-Step Migration Plan
Modernization agent
Automate ~ 70% of VB6 Legacy App Migration
Legacyleap turns legacy apps into modern architectures—automating code updates, framework upgrades, and integration mapping—while keeping developers in the loop to refine business rules.
Converted Code
Gap Report
To-do List
Pull Requests
Automated PR Review
QA Agent
Validate modernization and preserve 100% business logic
Agents auto-generate unit, integration, and regression. QA specialists refine them and run directly against live servers. Differential checks confirm legacy-to-modern parity. Expect ~2× faster test creation.
Unit Test Cases
Regression Test Cases
Integration Test Cases
API Test Cases
Try Legacyleap for Free!
Claim a $0 VB6 Codebase Assessment
We’ll scan a portion of your legacy VB6 codebase and deliver export-ready functional and technical documentation, architecture maps, dependency graphs, and technical debt insights all in 3–5 days.
Is Legacyleap Right for Me?
Choose between full-service delivery or platform access, both built to get you to production faster and safer.
You bring the system. We bring the outcome.
Turnkey Modernization Services
We take full ownership from start to finish, combining engineering expertise with platform accountability.
- Starts with a $0 Assessment
- Hands-off execution with full traceability
- Handles undocumented, fragile systems
- Parallel test generation + rollout planning
- Managed delivery with validation checkpoints
- Production-grade output, not POCs
Leverage your internal or SI teams with our platform.
Platform Licensing
Convert VB6 to .NET by deploying Legacyleap within your environment and modernize at your own pace with full control and support.
- Full access to Studio (Web UI, IDE, CLI)
- Agent copilots tailored for legacy systems
- Reusable across multiple teams or programs
- Architecture maps and test harnesses
- Built-in human-in-the-loop controls
- Flexible enterprise pricing
Legacyleap in Action
Modernized with Legacyleap
Semiconductor Giant Modernizes 6 Mission-Critical Legacy Components
How Legacyleap Used GenAI to Retire VB6 Debt For A Major Insurance Platform
Technical Demo
See Legacyleap in Action
Legacy modernization doesn’t have to take years of discovery and millions in risk. In this live demo, we’ll show you how Legacyleap autogenerates the artifacts, plans, and code transformations needed to compress months of manual work into days.
What You’ll See:
How Legacyleap works
AI-powered code comprehension
SBOM generation
Real-time architecture visualization
AI-powered modernization, and more
Choose Your First Step Into Modernization Clarity
Pick what suits your team: get export-ready docs from a free code scan, or walk through the platform with our CTO. Either way, you’ll get a clear picture of what Legacyleap can do for your codebase.
Claim a $0 Codebase Assessment
Functional & Technical documentation
Architecture diagrams
API references & integration maps
Risk & complexity heatmap
Modernization Timelines & Estimate
Full Modernization Plan
See Legacyleap in Action
Real-time architecture visualization
SBOM generation
AI-powered code comprehension
Drift detection, and more
Q1: How long does a typical VB6 to .NET migration project take?
With traditional methods, migrating a large VB6 application could take 6-12 months. Using Legacyleap, most projects are completed in 2-4 months end-to-end from code comprehension to deployment. Our platform automates up to 70% of the effort, including documentation, transformation, testing, and artifact generation, drastically accelerating timelines without compromising quality.
Q2: What are the risks of delaying VB6 modernization?
VB6 is no longer supported by Microsoft, which means increasing security vulnerabilities, compatibility issues, and a shrinking talent pool. The longer you delay, the more undocumented business logic is lost as maintainers leave. This raises migration costs and risks over time, especially for systems still running critical operations.
Q3: Can we partially modernize a VB6 application instead of migrating the whole system?
Yes. Legacyleap supports phased modernization. You can start with high-risk or high-value modules and modernize incrementally. The platform’s modular architecture enables partial transformation, seamless integration with legacy components, and rollback planning, giving you full control over modernization scope and pacing.
Q4: How do I know if my VB6 code is ready for migration?
If your VB6 application is business-critical, hard to maintain, lacks documentation, or relies on deprecated dependencies, it’s ready. During our free $0 assessment, we analyze the source code for risks, architecture drift, API dependencies, and functional complexity so you know exactly what’s feasible, what’s risky, and what’s worth prioritizing.
Q5. How do you ensure business continuity during .NET migration?
Business continuity relies on a phased, well-governed approach. Critical workloads are migrated incrementally using strangler patterns and parallel environments to minimize disruption. AI-assisted impact analysis and automated testing ensure functional parity across versions, while rollback checkpoints and human-in-the-loop oversight preserve operational stability throughout the modernization cycle.
We’ll scan a portion of your legacy VB6 codebase and deliver export-ready functional and technical documentation, architecture maps, dependency graphs, and technical debt insights all in 3–5 days.
