Understand any codebase
Vibe coded projects, open source libraries, or your team's legacy code. Get clarity on how it all works.
From first-time builders to senior developers. Explained at your level.
Adaptive Explanations
Choose your level: beginner, intermediate, or expert. Same code, different depth.
Voice or Text
Ask questions naturally with voice mode, or use traditional chat interface
Simple Setup
No complex IDE setup required. Run anywhere, anytime.
Everything you need to understand code
Powerful features that help you learn faster and ship with confidence.
Multi-Level Explanations
Get explanations tailored to your expertise, from ELI5 to deep technical analysis
Smart Code Analysis
Understand complex patterns, architecture decisions, and implementation details in any codebase
Security & Bug Detection
Identify vulnerabilities, edge cases, and potential issues before they become problems
Real-Time Explanations
Get instant answers about any function, class, or entire codebase architecture
Interactive Conversations
Ask follow-up questions, explore edge cases, dive deeper into implementation details
Voice Mode Available
Use voice input for hands-free exploration or when you prefer conversational learning
From vibe coded to fully understood
Turn any codebase into a learning opportunity. Get started in seconds.
Import your code
Connect your GitHub repo or paste code snippets. Works with any project or language.
Ask at your level
Use chat or voice to ask anything. Choose beginner, intermediate, or expert explanations.
Learn and ship
Understand how the code works. Fix bugs yourself. Build features with confidence.
No complex setup. No IDE plugins. Just import and start learning.
Optimized for modern web projects
Codeplainer works best with repositories that matter most to indie developers and startups
Small Projects
Under 50 files
- •Simple Express APIs
- •Basic React apps
- •CLI tools
- •100% coverage, perfect overviews
Medium Projects
50-200 files
- •Next.js / React apps
- •Full-stack SaaS projects
- •NestJS / Express APIs
- •Smart selection, excellent results
Large Projects
200-500 files
- •Complex dashboards
- •Multi-service backends
- •Enterprise apps
- •Works well for focused questions
Perfect for 90% of real-world projects. Startup MVPs, agency work, open source tools, and SaaS products all work great. Support for 500+ file monorepos coming soon.
Common use cases
From beginners to senior engineers. Real ways developers use Codeplainer
Onboard to new codebases
Quickly understand unfamiliar projects whether it's a new job or open source contribution
Deep-dive into implementation
Get detailed explanations of complex functions and algorithms
Review code for issues
Identify security vulnerabilities, bugs, and code quality concerns
Understand system architecture
Map out how components interact and data flows through the app
Learn new patterns
Discover design patterns and techniques you haven't seen before
Level up your knowledge
Choose explanation depth that matches your current expertise
Start understanding your code.
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