Website Customizer

Customize website font size, background color, and text color

As of 2023-04-22. See the latest version.

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         Website Customizer
// @namespace    http://tampermonkey.net/
// @version      1
// @description  Customize website font size, background color, and text color
// @author       Wrldz
// @license      MIT
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Create a div element to hold the customization controls
    var customizerDiv = document.createElement("div");
    customizerDiv.style.position = "fixed";
    customizerDiv.style.bottom = "20px";
    customizerDiv.style.right = "20px";
    customizerDiv.style.padding = "10px";
    customizerDiv.style.backgroundColor = "white";
    customizerDiv.style.borderRadius = "10px";
    customizerDiv.style.boxShadow = "0px 0px 10px rgba(0,0,0,0.5)";

    // Create a font size control
    var fontSizeLabel = document.createElement("label");
    fontSizeLabel.textContent = "Font Size: ";
    var fontSizeInput = document.createElement("input");
    fontSizeInput.type = "range";
    fontSizeInput.min = "12";
    fontSizeInput.max = "24";
    fontSizeInput.value = "16";
    fontSizeInput.style.marginLeft = "5px";
    fontSizeInput.style.verticalAlign = "middle";
    fontSizeInput.addEventListener("input", function() {
        document.body.style.fontSize = fontSizeInput.value + "px";
    });
    fontSizeLabel.appendChild(fontSizeInput);
    customizerDiv.appendChild(fontSizeLabel);

    // Create a background color control
    var bgColorLabel = document.createElement("label");
    bgColorLabel.textContent = "Background Color: ";
    var bgColorInput = document.createElement("input");
    bgColorInput.type = "color";
    bgColorInput.value = "#ffffff";
    bgColorInput.style.marginLeft = "5px";
    bgColorInput.style.verticalAlign = "middle";
    bgColorInput.addEventListener("input", function() {
        document.body.style.backgroundColor = bgColorInput.value;
    });
    bgColorLabel.appendChild(bgColorInput);
    customizerDiv.appendChild(bgColorLabel);

    // Create a text color control
    var textColorLabel = document.createElement("label");
    textColorLabel.textContent = "Text Color: ";
    var textColorInput = document.createElement("input");
    textColorInput.type = "color";
    textColorInput.value = "#000000";
    textColorInput.style.marginLeft = "5px";
    textColorInput.style.verticalAlign = "middle";
    textColorInput.addEventListener("input", function() {
        document.body.style.color = textColorInput.value;
    });
    textColorLabel.appendChild(textColorInput);
    customizerDiv.appendChild(textColorLabel);

    // Add the customizer div to the document
    document.body.appendChild(customizerDiv);
})();