Hi,

I'm Ethan

👋

Founder of Ethanbase

I build Ethanbase and share practical lessons on SaaS, growth, and AI-powered product execution.

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What we're building

A focused portfolio of tools, content products, and growth systems under Ethanbase.

  • content

    ethanbase

  • Job Interview Questions

    JD-based AI interview coach that generates targeted interview questions, per-question feedback, and a consolidated report from any English job description.

    AI interview coach
    JD-based interview questions
    interview preparation
    mock interviews
    technical interview

  • Blog

    Personal blog, sharing indie development journey, technical insights, and thoughts about the nomadic dev life. Focused on SaaS products and developer tools.

    indie hacking
    full-stack development
    SaaS
    developer tools
    Next.js

  • PromptKit

    Help developers quickly generate project documents (such as requirements documents, architecture documents, and technology stack documents) required for AI development, allowing AI programming assistants (Cursor, Windsurf, etc.) to better understand the project context and provide more accurate code suggestions.

    Documentation
    AI Tools
    Developer Tools
    Project Management
    API Documentation

  • TradingLens

    Professional stock market intelligence platform combining real-time market overview, AI-powered stock analysis, and smart portfolio tracking. Trusted by 10,000+ professional investors to make informed investment decisions and consistently beat the market.

    stock analysis
    AI stock analysis
    stock market intelligence
    portfolio tracking
    market overview

  • BirthdayWishes

    AI-powered personalized birthday card generator with custom images and heartfelt messages. Create unique birthday wishes that make every celebration special and memorable.

    AI
    Birthday Cards
    Greeting Cards
    Personalized Cards
    AI Image Generation

  • YoutubeToMp3

    Fast, free, and high-quality YouTube to MP3 converter. Convert YouTube videos to MP3 audio files quickly and easily. No registration required, completely free to use.

    YouTube to MP3
    YouTube Converter
    MP3 Converter
    Video to Audio
    YouTube Downloader

Founder Notes

Execution logs, growth experiments, and practical product lessons from the Ethanbase journey.