Voidmode Studios · Developer tools · 2026

JSONEditor.io

A VS Code-inspired online editor for JSON, YAML, XML and other structured formats, with multi-tab editing, format conversion and AI assistance.

JSONEditor.io screenshot
13
Formats
6
API routes

The problem

Developers edit and transform structured data across many files all day, and the existing editors have no integrated conversion or AI assistance in one browser environment.

The outcome

Live at jsoneditor.io with a free tier for editing and conversion and a Pro tier for unlimited AI. Handles large files, 13 highlighted languages and bidirectional conversions.

What was built

  • Multi-tab editor on Monaco with highlighting for 13+ languages
  • Format conversion across JSON, YAML, CSV, TypeScript and Base64
  • AI assistant panel for context-aware fixes and transforms
  • Auth and billing with GitHub OAuth, Neon Postgres and Stripe

Built with

  • Next.js 16
  • TypeScript
  • Monaco Editor
  • Drizzle ORM
  • Neon Postgres
  • Stripe

Strictly a portfolio, for now.

I'm not taking on client work right now, so this site is just here to show what's been built. The full portfolio has games you can play, products you can use and the stories behind the bigger systems.