PDF Dark Reader

as the plugin name suggests, the 'PDF Dark Reader' plugin provides you a dark PDF page. Local files are not supported due to browser restrictions.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         PDF Dark Reader
// @namespace    tolix123.github.io
// @version      0.1
// @license      MIT
// @description  as the plugin name suggests, the 'PDF Dark Reader' plugin provides you a dark PDF page. Local files are not supported due to browser restrictions.
// @author       Tolix123
// @match        *://*/*.pdf
// @match        file://*/*.pdf
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

var cover = document.createElement("div");
let css = `
    position: fixed;
    pointer-events: none;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #DDDDDD;
    mix-blend-mode: difference;
    z-index: 1;
`// Change the colour in the background-color task.
cover.setAttribute("style", css);
document.body.appendChild(cover);

})();