Codeplainer

Understand any codebase

From AI generated apps to open source projects, get instant clarity on how the code works.

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 raw code to complete clarity

Turn any codebase into a learning opportunity. Get started in seconds.

01

Import your code

Connect your GitHub repo or paste code snippets. Works with any project or language.

02

Ask at your level

Use chat or voice to ask anything. Choose beginner, intermediate, or expert explanations.

03

Learn and ship

Understand how the code works. Fix bugs yourself. Build features with confidence.

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

Medium Projects

50-200 files

  • Next.js / React apps
  • Full-stack SaaS projects
  • NestJS / Express APIs
  • Excellent results

Large Projects

200-500 files

  • Complex dashboards
  • Multi-service backends
  • Enterprise apps
  • Focused questions

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.

Learn more while building with AI, understand your code better.