YouToolBox

A userscript with many utility functions!

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 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        YouToolBox
// @namespace   Violentmonkey Scripts
// @match       https://www.youtube.com/watch*
// @version     1.0
// @author      CodeOS99
// @description A userscript with many utility functions!
// @grant       none
// @license     MIT
// ==/UserScript==

(function () {
    'use strict';
    console.log("YTB Active!");

    // COLOURS
    const lightGray = '#A9A9A9';
    const darkRed = '#8B0000';
    const darkerRed = '#900C3F';

    let menuHeld = false; // if the menu is held
    let menuOx = 0, menuOy = 0; // menu offset x and y

    // Wait until the page is fully ready to add stuff
    window.addEventListener('load', () => {
        makeMenu(); // make the menu button initially
    });

    function makeMenu() {
        const style = document.createElement('style');
            style.textContent = `
                #main-menu button {
                    cursor: pointer !important;
                }`;
        document.head.appendChild(style);

        let div = document.createElement('div');
        div.id = "main-menu";
        Object.assign(div.style, {
            position: 'fixed',
            top: '80px',
            left: '20px',
            zIndex: 9999,
            display: 'flex',
            alignItems: 'center',
            gap: '1px',
            userSelect: 'none',
            flexDirection: 'column'
        });

        let mover = document.createElement('div');
        Object.assign(mover.style, {
            width: '50px',
            height: '50px',
            backgroundColor: '#444',  // make it visible
            marginLeft: '10px',
            borderRadius: '8px',
            display: 'flex',
            alignItems: 'center',
            justifyContent: 'center',
            color: '#fff',
            fontWeight: 'bold',
            fontFamily: 'sans-serif',
            cursor: 'move',
        });
        mover.textContent = 'Move';

        let main_menu_btn = document.createElement('button');
        main_menu_btn.id = 'main-menu-btn'

        main_menu_btn.textContent = 'Show menu?';

        Object.assign(main_menu_btn.style, {
            top: '80px',
            left: '20px',
            zIndex: 9999,
            padding: '10px',
            fontSize: '14px',
            background: '#f33',
            color: '#fff',
            border: 'none',
            borderRadius: '4px',
        });

        let topMenuDiv = document.createElement('div');
        Object.assign(topMenuDiv.style, {
            width: '200px',
            height: '50px',
            backgroundColor: '#444',  // make it visible
            marginLeft: '10px',
            borderRadius: '8px',
            display: 'none',
            alignItems: 'center',
            justifyContent: 'center',
            color: '#fff',
            fontWeight: 'bold',
            fontFamily: 'sans-serif',
        });

        let closeMenuBtn = document.createElement('button');
        closeMenuBtn.innerText = "X"
        Object.assign(closeMenuBtn.style, {
            top: '20px',
            left: '20px',
            width: '20px',
            zIndex: 9999,
            marginLeft: '10px',
            fontSize: '14px',
            background: 'red',
            color: '#fff',
            border: 'none',
            borderRadius: '4px',
            fontSize: '10px',
        });

        let noteModeButton = document.createElement('button');
        noteModeButton.innerText = "NOTES"
        Object.assign(noteModeButton.style, {
            top: '80px',
            left: '20px',
            width: '50px',
            zIndex: 9999,
            marginLeft: '10px',
            fontSize: '14px',
            background: lightGray,
            color: '#fff',
            border: 'none',
            borderRadius: '4px',
            fontSize: '10px',
        });

        let calculatorModeBtn = document.createElement('button');
        calculatorModeBtn.innerText = "CALC."
        Object.assign(calculatorModeBtn.style, {
            top: '80px',
            left: '20px',
            width: '50px',
            zIndex: 9999,
            marginLeft: '10px',
            marginRight: '10px',
            fontSize: '14px',
            background: lightGray,
            color: '#fff',
            border: 'none',
            borderRadius: '4px',
            fontSize: '10px'
        });

        let quickSettingsModeBtn = document.createElement('button');
        quickSettingsModeBtn.innerText = "SETTINGS"
        Object.assign(quickSettingsModeBtn.style, {
            top: '80px',
            left: '20px',
            width: '50px',
            zIndex: 9999,
            marginLeft: '10px',
            fontSize: '14px',
            background: lightGray,
            color: '#fff',
            border: 'none',
            borderRadius: '4px',
            fontSize: '10px'
        });

        topMenuDiv.appendChild(closeMenuBtn);
        topMenuDiv.appendChild(quickSettingsModeBtn);
        topMenuDiv.appendChild(noteModeButton);
        topMenuDiv.appendChild(calculatorModeBtn);

        let menuBtns = [noteModeButton, calculatorModeBtn, quickSettingsModeBtn];
        menuBtns.forEach(btn => {
            btn.onmouseenter = () => {
                btn.style.backgroundColor = 'gray';
            }

            btn.onmouseleave = () => {
                btn.style.backgroundColor = lightGray;
            }

            btn.onmousedown = () => {
                btn.style.backgroundColor = 'black'
            }
        });

        noteModeButton.onmouseup = () => {
            noteInput.style.display = 'block';
            calculatorDiv.style.display = 'none';
            quickSettingsDiv.style.display = 'none';
        }

        closeMenuBtn.onmouseover = () => {
            closeMenuBtn.style.backgroundColor = darkRed;
        };            
        closeMenuBtn.onmouseleave = () => {
            closeMenuBtn.style.backgroundColor = 'red';
        };
        closeMenuBtn.onmouseup = () => {
            closeMenuBtn.style.backgroundColor = darkerRed;
            bottomMenuDiv.style.display = 'none';
            topMenuDiv.style.display = 'none';

            main_menu_btn.style.display = 'block';

            btn.style.backgroundColor = lightGray;
        }

        let bottomMenuDiv = document.createElement('div');        
        Object.assign(bottomMenuDiv.style, {
            width: '200px',
            height: '50px',
            backgroundColor: '#444',
            marginLeft: '10px',
            borderRadius: '8px',
            display: 'none',
            alignItems: 'center',
            justifyContent: 'center',
            color: '#fff',
            fontWeight: 'bold',
            fontFamily: 'sans-serif',
            resize: 'both',
            overflow: 'auto'
        });

        let noteInput = document.createElement('textarea');
        noteInput.value = localStorage.getItem('ytb_notes') || '';
        noteInput.addEventListener('input', () => {
            localStorage.setItem('ytb_notes', noteInput.value);
        });
        noteInput.style.display = 'none';

        const buttonLabels = [
            '7', '8', '9', '/',
            '4', '5', '6', '*',
            '1', '2', '3', '-',
            '0', '.', '=', '+',
            'CLR', 'DEL', '(', ')',
        ];
        let calculatorBtns = [];

        let calculatorExpr = '';

        let calculatorDiv = document.createElement('div');
        Object.assign(calculatorDiv.style, {
            display: 'none',
            alignItems: 'center',
            justifyContent: 'center',
        });

        let calcExprH1 = document.createElement('h1');
        calcExprH1.innerText = "0";
        Object.assign(calcExprH1.style, {
            backgroundColor: 'gray',
            borderRadius: '5px',
        })

        calculatorDiv.appendChild(calcExprH1);

        let calculatorBtnDiv = document.createElement('div');
        Object.assign(calculatorBtnDiv.style, {
            display: 'grid',
            gridTemplateColumns: 'repeat(4, 50px)',
            gap: '6px',
            padding: '10px',
            justifyContent: 'center',
            alignItems: 'center'
        });

        calculatorDiv.appendChild(calculatorBtnDiv);

        bottomMenuDiv.appendChild(calculatorDiv);

        for (let i = 0; i < buttonLabels.length; i++) {
            let btn  = document.createElement('button');
            btn.innerText = buttonLabels[i];

            Object.assign(btn.style, {
                backgroundColor: lightGray,
                color: 'white',
                border: 'none',
                borderRadius: '5px',
                padding: '15px',
                fontSize: '16px',
                cursor: 'pointer',
                width: '50px',
                height: '50px',
            });

            btn.onmouseenter = () => {
                btn.style.backgroundColor = 'gray';
            }

            btn.onmouseleave = () => {
                btn.style.backgroundColor = lightGray;
            }

            btn.onmousedown = () => {
                btn.style.backgroundColor = 'black'
            }

            btn.onmouseup = () => {
                btn.style.backgroundColor = lightGray;
                updateCalcExpr(buttonLabels[i]);
            }

            calculatorBtnDiv.appendChild(btn);

            calculatorBtns.push(btn);
        }

        function updateCalcExpr(val) {
            if(val !== 'CLR' && val !== 'DEL' && val !== '=') {
                if(calculatorExpr !== '0') calculatorExpr += val;
                else calculatorExpr = val;
            }
            else if(val === 'CLR') calculatorExpr = '0';
            else if(val === 'DEL') {
                calculatorExpr = calculatorExpr.substring(0, calculatorExpr.length-1)
                if(calculatorExpr === '') {
                    calculatorExpr = '0';
                }
            }
            else if(val === '=') {
                if(!'+-/*.'.includes(calculatorExpr[calculatorExpr.length - 1])) {
                    try {
                        calculatorExpr = eval(calculatorExpr).toString();
                    } catch(e) {
                        alert("You made an error in the expression!");
                        calculatorExpr = '0';
                    }
                }
            }

            calcExprH1.innerText = calculatorExpr;
        }

        let showCalculator = () => {
            calculatorDiv.style.display = 'flex'
            quickSettingsDiv.style.display = 'none';
            noteInput.style.display = 'none';
        }

        bottomMenuDiv.appendChild(noteInput);

        calculatorModeBtn.onmousedown = () => {
            calculatorModeBtn.style.backgroundColor = 'black';
            showCalculator();
        }

        let quickSettingsDiv = document.createElement('div');
        
        const layout = [0.5, 0.75, 1, 1.25, 1.5,
                        144, 240, 360, 480, 720
        ];

        Object.assign(quickSettingsDiv.style, {
            display: 'grid',
            gridTemplateColumns: 'repeat(5, 1fr)', // Equal size columns
            gap: '6px',
            padding: '10px',
            justifyContent: 'center',
            alignItems: 'center',
        });


        for(let btnSpec of layout) {
            let btn = document.createElement('button');
            if(btnSpec <= 1.5) {
                if(btnSpec < 1)
                    btn.innerText = `x${btnSpec} 🐌`
                else if(btnSpec == 1)
                    btn.innerText = `x${btnSpec} 🐍`
                else
                    btn.innerText = `x${btnSpec} 🐇`

                btn.onmouseup = () => {
                    let player = document.querySelector('video');
                    player.playbackRate = btnSpec;
                    btn.style.backgroundColor = lightGray;
                }
            } else {
                btn.innerText = `${btnSpec}p`
                btn.onclick = () => {
                    // Video quality
                    let qualityMap = {
                        144: 'tiny',
                        240: 'small',
                        360: 'medium',
                        480: 'large',
                        720: 'hd720',
                    };
                    setQuality(qualityMap[btnSpec]);
                }
            }
            Object.assign(btn.style, {
                padding: '10px',
                fontSize: '14px',
                backgroundColor: lightGray,
                color: '#fff',
                border: 'none',
                borderRadius: '4px',
                cursor: 'pointer',
                width: '80px', 
            });

            btn.onmouseenter = () => {
                btn.style.backgroundColor = 'gray';
            }

            btn.onmouseleave = () => {
                btn.style.backgroundColor = lightGray;
            }

            btn.onmousedown = () => {
                btn.style.backgroundColor = 'black'
            }

            quickSettingsDiv.appendChild(btn);
        }

        function setQuality(qualityLabel) {
            const player = document.getElementById('movie_player');
            if (player && player.setPlaybackQualityRange) {
                player.setPlaybackQualityRange(qualityLabel);
                player.setPlaybackQuality(qualityLabel);
            }
        }

        function showQuickSettings() {
            quickSettingsDiv.style.display = 'grid';
            calculatorDiv.style.display = 'none';
            noteInput.style.display = 'none';
        }

        quickSettingsModeBtn.onmouseup = () => {
            showQuickSettings();
        }

        bottomMenuDiv.appendChild(quickSettingsDiv);

        mover.onmousedown = (e) => {
            if(!menuHeld) {
                menuHeld = true;
                menuOx = e.clientX - div.offsetLeft;
                menuOy = e.clientY - div.offsetTop;
                document.body.style.userSelect = 'none';
            }
        }

        document.onmouseup = () => { // add the event listener to the body because there is a possibility for the mouse to move away from the button
            menuHeld = false;
        }

        document.onmousemove = (e) => {
            if(menuHeld) {
                div.style.left = (e.clientX - menuOx) + 'px';
                div.style.top = (e.clientY - menuOy) + 'px';
            }
        }

        main_menu_btn.onclick = () => {
            main_menu_btn.style.display = 'none';

            topMenuDiv.style.display = 'flex';
            bottomMenuDiv.style.display = 'flex';
        };

        div.appendChild(mover);
        div.appendChild(main_menu_btn);

        div.appendChild(topMenuDiv);
        div.appendChild(bottomMenuDiv);

        document.body.appendChild(div);
    }
})();