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The best version of your favorite extensions

Bringing a set of well-crafted, beautifully-designed, accessible extensions to everyone. Works with your favorite browser and respects your privacy. Open source.

ChromeChrome
BraveBrave
FirefoxFirefox
OperaOpera
ArcArc

Everything you need to

A suite of privacy first, modern, fast and powerful browser extensions for everyone. Starting with developer tools, expanding to screen capture, tab management, and more.

JSON Viewer

Powerful JSON viewer. Effortless data handling.

  • Auto parse & beautify JSON
  • Smart JSON Picker from any page
  • Rich visualization
  • JSONata transformations
  • Fast virtualization & pagination
  • Live in-memory editing
  • Easy export & copy
  • Privacy-first (optional permissions)
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JSON Viewer light modeJSON Viewer dark modeJSON Viewer light modeJSON Viewer dark modeJSON Viewer light modeJSON Viewer dark mode

Markdown Viewer

Interactive and beautiful markdown viewer and editor

Coming Soon
readme.md
readme.md
api.md
guide.md
docs/
const data = fetch('/api')

BYOK AI

3 Your models, your APIs, a powerful client for you to browse with AI

Coming Soon
GPT-4o
Explain this API response in plain English
AI Assistant

This response contains a list of users with their IDs and emails.

The status: 200 indicates success. Key fields:

idemailrole
Ask about any page...