Key Forge

Utilities

Generate strong passwords in the popup. Length and character classes are yours. Copy once. Nothing is stored or uploaded.

ZIP built in your browser. No server binary download.

Done means

Open popup → Generate → Copy → password is on clipboard; refresh shows a new one, nothing saved.

Length control
Charset toggles
Copy button
No storage

Permissions

None beyond default action UI

Job pattern: Password generator

Install

Save the source package and unzip it.
Chromium: chrome://extensions → Developer mode → Load unpacked → select the folder.
Firefox: about:debugging#/runtime/this-firefox → Load Temporary Add-on → pick manifest.json.
Load unpacked / temporary add-on.

Tweak

Extension name

Tagline

Source

{
  "manifest_version": 3,
  "name": "Key Forge",
  "description": "Local passwords",
  "version": "1.0.0",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "Key Forge",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png"
    },
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "[email protected]",
      "strict_min_version": "121.0"
    }
  }
}