Everything you need to clear Staff and Principal Android interviews, free.
13 deep-dive chapters, 31 real post-mortems (Snapchat, Instagram, Notion),
25 requirements-gathering problems, 26 behavioral scenarios, code review
lab, mindset challenges, and spaced repetition.
Markdown Studio is a zero-knowledge markdown editor and AI prompt engineering workspace. Compare AI models side-by-side in Battle Mode, count tokens for 20+ models, use
smart variables with presets, sync to GitHub, and lock outputs with PromptOps deterministic execution. 187 features including Mermaid diagrams, KaTeX math, PDF/HTML/JSON
export, audit logging, and PII scanning. Available in 8 languages. No login, no servers, no tracking cookies. Your data never leaves your device.
Today we re launching GitHub integration for Markdown Studio a markdown editor that syncs safely with Gists and repos, without the usual where did my work go? moments.
Most markdown files already live in GitHub READMEs, docs, design notes, drafts, wikis. But editing them still feels clunky:
Markdown StudioMarkdown editor built for the AI workflow era
Markdown Studio
