Built by Sentosh

Need a custom Chrome extension?

Chromfy is built and maintained by the team at Sentosh. We design, engineer, and ship Manifest v3 extensions for founders and teams who care about the details.

  • Strategy → design → ship in one team
  • Native AI integrations & local inference
  • Production-grade TS, tests, CI baked in
  • Privacy & permissions handled carefully
Manifest v3TypeScriptReact + VitePlaywrightAnthropicOpenAIWebAssemblyIndexedDB
manifest.json⌘B
{
  "manifest_version": 3,
  "name": "Your Extension",
  "version": "1.0.0",
  "description": "Crafted by Sentosh — calm, fast, native.",
  "permissions": ["storage", "scripting", "tabs"],
  "host_permissions": ["<all_urls>"],
  "action": { "default_title": "Open" },
  "background": { "service_worker": "sw.js" },
  "side_panel": { "default_path": "panel.html" },
  "icons": { "128": "icon.png" }
}
Loaded · 12ms cold startv1.0.0 · MV3