RefactorX Pro
RefactorX Pro
Legacy Code Modernization Platform Pro subscription — $39.99/month (3-day free pro trial) Conversions are only available M-F from 8:00AM to 8:00PM PST
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Professional, AI-assisted legacy → modern conversion with traceability.

Pro is a web-based software modernization platform designed to convert legacy codebases into modern programming languages using AI-assisted transformation. It’s built for developers, engineers, and organizations maintaining aging systems who need a reliable way to translate, understand, and refactor legacy code safely and efficiently.

RefactorX Pro focuses on accuracy, traceability, and workflow clarity — not “one-click magic.”

Next.js UIFastAPI backendRedis + RQ jobsCloud VPS with Cloud GPUStripe subscriptionsEmail-verified accounts
Who It’s For
👨‍💻 Software Developers & Engineers
  • Modernizing VB6, Delphi, COBOL, Classic ASP, legacy C/C++, and other older systems
  • Migrating code to Python 3, C++20, or Java 17
  • Reviewing, editing, and refining AI-generated conversions
🏢 Engineering Teams & Enterprises
  • Gradual modernization of legacy systems
  • Proof-of-concept refactors before full rewrites
  • Knowledge extraction from undocumented codebases
🧪 Consultants & Contractors
  • Producing clean, reviewable conversions for clients
  • Exporting artifacts and deliverables as ZIP bundles
  • Maintaining clear project history per client
Core Concepts
1) Users & Authentication
  • Users register with email + password, so check your spam or junk folder
  • Email verification is required before conversions are allowed
  • Password reset and verification resend are built in
  • Sessions are cookie-based (secure, server-side)
  • Un-used trial user accounts are deleted after 30 days
2) Projects
  • Each user has a workspace project
  • Projects group all conversions, artifacts, uploads, and history
  • Projects are automatically created on first conversion
3) Artifacts (Append-only)
  • Every conversion run produces an artifact
  • Artifacts are preserved and timestamped
  • No conversions overwrite previous work
What an Artifact Contains
Outputs
  • Generated modern code: converted.<target>.txt
  • Original legacy snapshot: legacy.txt
  • Optional AI-generated summary: summary.md
Metadata
  • meta.json
  • index.json
  • Optional review comments
Traceability
  • Each run is preserved (append-only history)
  • Deterministic packaging for exports (Pro)
Conversion Workflow
Step-by-step
  • User pastes, chooses file to upload or drag&drop legacy code or .txt files into input window
  • Selects target language(s)
  • Backend enqueues a background job
  • Worker generates clean, structured outputs
  • UI streams progress via SSE and lists the artifact immediately
Optional features
  • Code formatting presets
  • Per-function conversion
  • Legacy summary generation
Important behavior
  • No conversions overwrite previous work
  • Artifacts are timestamped and preserved
  • Jobs are idempotent and recoverable
Unsupported code? You can still convert it. If a language isn’t explicitly supported as an input type, paste it in as Plain Text or upload it as a .txt file and Pro will treat it as text for conversion.
Supported Languages
Input (Legacy)
  • VB6 (.vb, .bas, .frm)
  • Delphi (.pas, .dfm)
  • COBOL (.cbl, .cob)
  • Classic ASP / ASP.NET
  • Plain text (including .txt uploads)
Output (Modern)
  • Python 3
  • C++20
  • Java 17
How conversion happens
  • Rule-based transforms when possible
  • AI assisted (Ollama / DeepSeek / etc.)
  • Structured outputs designed for review and iteration
Review & Editing
Editor experience
  • Monaco Editor with syntax highlighting
  • Per-target output tabs
  • Optional inline comments / review notes
  • Edits are automatially saved in real time back to the artifact
Stable history
  • Artifact history preserved
  • Each conversion remains reviewable and reproducible
Workflow clarity
  • Projects group work cleanly per user/client
  • Artifacts provide a clear timeline of changes
Uploads
Supporting files
  • Users can upload supporting files per project
  • Uploads are stored separately from artifacts
  • Managed independently of conversion outputs
Reference value
  • Uploads can be used for context during conversion
  • Keeps project research + code together
Isolation
  • Artifact storage isolated per user
  • No shared or demo workspaces
Exporting (Pro)
ZIP bundles
  • Export full artifacts as ZIP
  • Export selected target files only
  • Optionally include uploads in the export bundle
Deterministic outputs
  • Exported bundles are deterministic and reproducible
  • Designed for client delivery and auditability
Deliverables
  • Clean, reviewable outputs for downstream work
  • Traceable artifact metadata included
Billing & Subscription Model
Free Trial
  • 3-day Pro trial
  • 10 conversions
  • Email verification required
Pro Subscription
  • Unlimited conversions
  • Advanced features unlocked
  • Exporting enabled
  • View Diff enabled
  • Billing enforced server-side
Stripe Integration
  • Checkout sessions created on demand (Upgrade to Pro)
  • Secure webhooks sync subscription state
  • Admin at refactorx.pro can cancel subscriptions via Stripe Dashboard upon request
  • Cancelled subscriptions will also have all account data deleted
  • Optional future support for self-service portal is coming soon
Security & Reliability
Account security
  • Email verification enforced
  • Passwords stored hashed (never plaintext)
  • Token-based verification and reset flows
Data isolation
  • Artifact storage isolated per user
  • No shared or demo workspaces
Job safety
  • Background jobs are idempotent and recoverable
  • Clear job progress and deterministic artifacts
License & Terms of Use (Summary)
RefactorX Pro is provided “as is” and “as available.”
1) Acceptance of Terms
By accessing or using RefactorX Pro (“the Service”), you agree to be bound by these Terms of Use. If you do not agree, do not use the Service.
2) Service Description
RefactorX Pro provides AI-assisted tools for code analysis, refactoring, and conversion. We do not guarantee accuracy, completeness, correctness of outputs, or fitness for any purpose. All results must be reviewed and validated by the user.
3) User Responsibility
You are solely responsible for the data you upload, maintaining backups, reviewing/testing generated output, and ensuring compliance with your organization’s policies and applicable laws. AI-generated output may contain errors.
4) Data Storage & Loss
We take reasonable steps to protect user data, but do not guarantee permanence or availability. Data may be deleted due to user actions, maintenance, updates, infrastructure failure, or security incidents. You are responsible for maintaining backups. RefactorX Pro is not liable for data loss.
5) Security & Availability
No system is completely secure. We do not warrant uninterrupted, error-free, or secure operation. Availability may be affected by maintenance, outages, or third-party failures.
6) Limitation of Liability
To the maximum extent permitted by law, RefactorX Pro and its operators are not liable for loss of data, loss of profits, business interruption, security breaches, corrupted output, or indirect/incidental/consequential damages. Your sole remedy is to discontinue use of the Service.
7) No Warranty
The Service is provided without warranties of any kind, express or implied, including merchantability, fitness for a particular purpose, and non-infringement.
8) Third-Party Services
RefactorX Pro relies on third-party services (hosting, payment processors, AI models). We are not responsible for outages, failures, or issues caused by third-party providers.
9) Account Termination
We reserve the right to suspend or terminate accounts, remove data, or limit access at our sole discretion, with or without notice.
10) Changes to These Terms
We may update these Terms at any time. Continued use after changes constitutes acceptance.
11) Governing Law
These Terms shall be governed by and construed in accordance with the laws of the applicable jurisdiction of operation.
12) Contact
For questions regarding these Terms: support-info@mseprosoftware.net
Note: This section is a plain-language summary intended to protect the Service and clarify responsibilities. If you do not agree, do not use RefactorX Pro.
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