AI Intelligence

Convert code
instantly

Bridge the gap between languages. Translate legacy code, refactor for modern frameworks, or convert between 20+ programming languages with 99.9% accuracy.

Beta
Python
def greet(name):
return f"Hello, {name}!"
print(greet("World"))
TypeScript
function greet(name: string) {
return `Hello, ${name}!`;
}
console.log(greet("World"));
Languages

100+ languages supported

From mainstream languages to niche frameworks, our AI understands syntax, idioms, and best practices.

Playground

Try it now

INPUT
class Calculator:
def __init__(self):
self.result = 0
def add(self, x, y):
return x + y
def multiply(self, x, y):
return x * y
OUTPUT
class Calculator {
private result: number = 0;
add(x: number, y: number): number {
return x + y;
}
multiply(x: number, y: number): number {
return x * y;
}
}
Frameworks

Framework to
framework

Not just languages - convert between entire frameworks. Migrate your React app to Vue, or port Express APIs to FastAPI.

Preserves component structure
Converts state management patterns
Adapts to framework idioms
Maintains functionality
FRONTEND
React
→
Vue
FRONTEND
Angular
→
Svelte
BACKEND
Express
→
FastAPI
FULLSTACK
Django
→
Next.js
MIGRATION
jQuery
→
React
API
REST
→
GraphQL
Features

More than translation

Our AI doesn't just translate syntax - it understands semantics and produces idiomatic code.

Instant Conversion

Convert thousands of lines in seconds with parallel processing

Type Safety

Automatically adds proper types when converting to typed languages

Syntax Aware

Understands language-specific patterns and best practices

Git Integration

Convert entire repos with history preservation

Documentation

Auto-generates comments and documentation in target language style

Smart Refactoring

Optimizes code structure during conversion

Use Cases

Built for real workflows

Legacy Migration

Modernize old codebases by converting from COBOL, Fortran, or older language versions to modern equivalents.

50K+ repos migrated

Language Learning

See how familiar code looks in a new language. Perfect for developers learning new programming languages.

Used by 100K+ learners

Cross-Platform Development

Port mobile apps between Swift and Kotlin, or desktop apps between C# and C++.

1M+ files converted

API Modernization

Convert REST APIs to GraphQL, SOAP to REST, or migrate between backend frameworks.

20K+ APIs converted
Free Tools

Power-ups & Utilities

Free tools to supercharge your document workflow. No signup required.

Popular

JSON Validator

Validate and format JSON files instantly

Validate
New

JSON Formatter

Beautify and minify JSON with syntax highlighting

Format Now

CSV Viewer

View and edit CSV files in a spreadsheet interface

Open Viewer

XML Validator

Validate XML syntax and structure

Validate

Quick Converters

One-click file conversion

View All →
JSONCSV
CSVJSON
XMLJSON
JSONXML
YAMLJSON
JSONYAML
CSVXML
TSVCSV

Need more advanced features? Try our full AI-powered suite.

Explore Full Platform

Quby vs AI Competitors

See how we compare to other AI tools in the market.

FeatureQubyChatGPTGitHub CopilotCodeiumAmazon Q
20+ languages (incl. legacy)
Yes
Yes
Yes
Yes
Yes
Comment preservation
Yes
Partial
Partial
Partial
Partial
Framework-aware patterns
Yes
Partial
Yes
Yes
Yes
Security scanning
Yes
No
No
No
Yes
COBOL/Fortran/VB6 support
Yes
Partial
No
No
Partial
No subscription required
Yes
Partial
No
Partial
No
Browser-based (no install)
Yes
Yes
No
Partial
No
Bulk file conversion
Yes
No
No
No
No

Frequently Asked Questions

Convert your first file free

No signup required. Paste your code and see the magic of AI-powered code conversion.

// Convert any code, any language
function convert(code, from, to) {
return ai.transform(code, from, to);
}
// Result: Perfect, idiomatic code