Examine source code of April 21

By: SUSANILOW

Inspect and view changes in April 21 source codes across current and past versions

Please login to examine the extension's source code.

manifest.json

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "April 21",
  "manifest_version": 2
}

Best April 21 Alternatives

Here are some Firefox add-ons that are similar to April 21: