CodeConvert AI - AI-powered code conversion for 50 plus languages

What is CodeConvert AI

If you've ever stared at a legacy COBOL codebase and wondered why no one can maintain it anymore, or if you've wished you could instantly translate your Python skills into JavaScript for a web project, you're not alone. These are real pain points that developers face every day—and they're exactly what CodeConvert AI is built to solve.

CodeConvert AI is an AI-powered online tool that transforms code from one programming language to another with a single click. Whether you're working with mainstream languages like Python, JavaScript, Java, C++, Go, or Rust, or dealing with legacy languages like COBOL, Fortran, Ada, or even Zig, CodeConvert AI has you covered. The platform supports over 50 programming languages, making it one of the most comprehensive code conversion tools available.

But CodeConvert AI does more than just translation. It also generates code from natural language descriptions and explains what any piece of code does—both powerful features for developers learning new languages or prototyping ideas quickly. You don't need to install anything or set up a development environment. Just open your browser, paste your code, and let AI handle the rest.

With over 100,000 users worldwide and features highlighted by Startup Fame, CodeConvert AI has become a trusted resource for developers tackling code migration, language learning, and cross-platform development. The tool prioritizes your privacy: your code isn't retained unless you choose to save it, and you can use the free version without even creating an account.

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Core Features of CodeConvert AI

CodeConvert AI delivers a suite of AI-driven tools designed to make your coding life easier. Here's what you can do with the platform.

AI Code Conversion is the heart of the product. Paste code in one language, select your target language, and get converted code in seconds. The tool handles everything from popular languages like Python, JavaScript, Java, C++, Go, and Rust to niche ones like COBOL, Fortran, Ada, Zig, and even Assembly. Whether you're modernizing a 30-year-old system or translating a Python script to Go for better performance, the conversion handles it.

Code Generation lets you describe what you want in plain English—whether it's a REST API endpoint, a data processing pipeline, or a user authentication flow—and get functional code in your chosen language. This is invaluable for rapid prototyping when you need to validate an idea quickly.

Code Explanation breaks down complex code into human-readable descriptions. If you've inherited a tangled spaghetti of logic or are reviewing a pull request in an unfamiliar language, this feature helps you understand what's happening without guessing.

Comment Removal strips comments from your code in bulk, useful when you need to reduce file size or clean up before deployment.

Project File Upload is a standout feature for larger tasks. Upload a single file or an entire zip archive, and CodeConvert AI uses Retrieval Augmented Generation (RAG) to understand project context before converting. Pro users can upload up to 100 files; Premium users get 250. The system supports over 70 file types and automatically excludes folders like node_modules, .git, and dist.

Conversion History saves your past conversions so you can revisit them later, while Share Links let you generate a URL to share results with teammates.

Streaming Response delivers conversion results in real-time (available for paid plans when input exceeds 100 characters), so you don't have to wait for the entire process to complete.

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Who Is Using CodeConvert AI

CodeConvert AI serves developers across a wide range of scenarios. Here's how different types of users are putting the tool to work.

Legacy System Modernization is one of the most common use cases. Teams working with COBOL, Fortran, or Delphi systems often struggle to find developers who know these languages. CodeConvert AI lets them convert old codebases to modern alternatives like Python, Java, or JavaScript—making systems easier to maintain and opening them up to a larger talent pool.

Cross-Platform Development becomes dramatically easier when you can write logic once and output it in multiple languages. If you're building a library that needs to work across web, mobile, and backend, you can implement the core logic in one language and convert it to others, reducing duplicate work and the risk of inconsistencies.

Learning New Programming Languages is smoother when you can see side-by-side comparisons. If you already know how to solve a problem in Python but want to learn Go, convert your Python solution to Go and study the differences. This hands-on approach accelerates fluency far more effectively than tutorials alone.

Rapid Prototype Validation lets you move fast. Write your prototype in a language you're comfortable with, then convert it to your target platform's language. This is especially useful when exploring technical feasibility before committing to a full implementation.

Team Tech Stack Unification happens incrementally. Rather than rewriting everything at once, teams convert modules piece by piece, gradually migrating to their desired stack without disrupting ongoing work.

Code Review and Learning becomes accessible even across language barriers. Review code in your own language first to understand the logic, then convert back to the original if needed for feedback.

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Technical Architecture

Behind CodeConvert AI's simple interface lies a sophisticated technical infrastructure designed for reliability, accuracy, and privacy.

At the core is a customized AI language model specifically fine-tuned for code conversion tasks. Unlike general-purpose AI models, this one understands programming syntax, idioms, and best practices across dozens of languages. It uses Retrieval Augmented Generation (RAG) technology, which means it can pull in relevant context from your uploaded project files to produce more accurate, context-aware conversions.

The platform leverages vector databases to store and index your project data, enabling fast similarity searches that help the AI understand how different parts of your codebase relate to each other. This is particularly valuable when converting entire projects where one file's logic depends on another's.

Vercel AI Gateway acts as the routing layer, intelligently forwarding your requests to the most appropriate AI provider based on the task. CodeConvert AI integrates with multiple providers—OpenAI, Anthropic, Google, and Mistral—giving it flexibility to choose the best model for each conversion pair.

In terms of capacity, the platform handles different scales: free users get up to 4,000 characters per conversion, Pro users 25,000 characters, and Premium users an impressive 100,000 characters. That's enough to convert substantial functions or even small modules in a single pass.

The file type support is extensive—over 70 types including all major programming languages, configuration files, and documentation formats. When you upload a zip file, the system intelligently excludes build artifacts like node_modules, .git, dist, and build folders to focus on actual source code.

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Pricing Plans

CodeConvert AI offers three tiers to match different needs and budgets. Here's a clear breakdown:

Free Plan is perfect if you're just exploring the tool or have occasional conversion needs. No account required, no credit card needed—just paste your code and convert up to 5 times per day.

Pro Plan is designed for active developers. Unlimited conversions mean you never hit a wall, and the 25,000-character limit handles most single-file conversions. You get streaming responses for real-time feedback, plus the ability to generate and explain code—all valuable for daily workflows. The priority support and 100-file upload capability make it ideal for moderate-sized projects.

Premium Plan is for power users and teams handling large-scale migrations. The 100,000-character limit lets you convert entire modules or substantial codebases in one go, and the 250-file upload limit supports bigger projects.

Annual Billing gives you a 50% discount compared to monthly pricing—a significant savings if you plan to use the tool regularly.

Refund Policy: Not sure if it's working for you? CodeConvert AI offers a 14-day money-back guarantee, no questions asked. You can also cancel anytime.

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Frequently Asked Questions

<card type="faq" title="What are "credits" or "points"?"> Credits measure your usage of the conversion tools. Each time you click convert and receive a successful response, one credit is deducted. Code generation and code explanation also use credits.