Cookie Manager PRO (Optimized + Import/Export)

Faster startup, optimized DOM, draggable UI, import/export, stable deletion.

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         Cookie Manager PRO (Optimized + Import/Export)
// @namespace    http://tampermonkey.net/
// @version      2.1
// @description  Faster startup, optimized DOM, draggable UI, import/export, stable deletion.
// @match        *://*/*
// @run-at       document-idle
// @grant        none
// ==/UserScript==

(function(){
'use strict';

const ready = f => /complete|interactive/.test(document.readyState) ? f() : document.addEventListener("DOMContentLoaded", f,{once:true});

ready(()=> setTimeout(()=> new CookieManager().init(),150));

class CookieManager {

    constructor(){
        this.cookies=[];
        this.filtered=[];
        this.shadow=null;
        this.panel=null;
    }

    init(){
        this.loadCookies();
        this.buildUI();
    }

    loadCookies(){
        const raw=document.cookie;
        if(!raw){ this.cookies=[]; this.filtered=[]; return; }

        this.cookies = raw.split(";").map(pair=>{
            const i = pair.indexOf("=");
            const name = decodeURIComponent(pair.slice(0,i).trim());
            const value = decodeURIComponent(pair.slice(i+1));
            return {name,value,domain:location.hostname,path:"/"};
        });

        this.filtered=[...this.cookies];
    }

    buildUI(){
        if(document.getElementById("cookieManagerHost")) return;

        const host = document.createElement("div");
        host.id="cookieManagerHost";
        document.body.appendChild(host);

        const shadow = host.attachShadow({mode:"open"});
        this.shadow = shadow;

        // STYLE
        shadow.innerHTML = `
        <style>
            :host{all:initial;}
            .btn-main{
                position:fixed;top:20px;right:20px;width:60px;height:60px;
                border-radius:50%;border:none;background:#673ab7d4;color:#fff;
                cursor:grab;display:flex;align-items:center;justify-content:center;
                font-size:28px;z-index:999999;box-shadow:0 4px 15px #0003;
                user-select:none;touch-action:none;
            }
            .btn-main:active{cursor:grabbing;}
            .panel{
                position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);
                width:95vw;max-width:900px;background:#222e;color:#fff;
                border-radius:16px;padding:12px;display:none;z-index:9999999;
                font-family:sans-serif;box-sizing:border-box;
            }
            .hdr{padding:8px;background:#fff2;border-radius:10px;margin-bottom:10px;cursor:move;}
            .search{width:100%;padding:7px;margin-bottom:8px;border:1px solid #fff4;background:#fff1;color:#fff;border-radius:5px;}
            .btn{padding:6px 8px;background:#fff3;border:none;border-radius:5px;color:#fff;cursor:pointer;margin:2px;}
            .btn:hover{background:#fff5;}
            table{width:100%;border-collapse:collapse;table-layout:fixed;margin-top:10px;}
            th,td{padding:6px;border-bottom:1px solid #fff3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
            tr:hover{background:#fff1;}
        </style>
        `;

        // BUTTON
        const toggle = document.createElement("button");
        toggle.className="btn-main"; toggle.textContent="🍪";
        shadow.appendChild(toggle);

        // PANEL
        const panel = document.createElement("div");
        panel.className="panel";
        panel.innerHTML = `
            <div class="hdr" id="hdr"><h2 style="margin:0;">Cookie Manager</h2></div>
            <input class="search" id="search" placeholder="Search cookies...">
            <div>
                <button class="btn" id="add">Add</button>
                <button class="btn" id="refresh">Refresh</button>
                <button class="btn" id="export">Export</button>
                <button class="btn" id="import">Import</button>
                <button class="btn" id="delAll" style="background:#e055;">Delete All</button>
            </div>
            <table><thead><tr><th>Name</th><th>Value</th><th>Action</th></tr></thead>
            <tbody id="list"></tbody></table>
        `;
        shadow.appendChild(panel);
        this.panel=panel;

        // DRAG
        this.makeDraggable(toggle);
        this.makeDraggable(panel, panel.querySelector("#hdr"));

        // EVENTS
        toggle.onclick = (e)=> !toggle._dragged && (panel.style.display= panel.style.display==="block"?"none":"block", this.refresh());
        toggle.onmousedown = ()=> toggle._dragged=false;

        shadow.getElementById("add").onclick = ()=> this.addPrompt();
        shadow.getElementById("refresh").onclick = ()=> this.refresh();
        shadow.getElementById("delAll").onclick = ()=> this.deleteAll();
        shadow.getElementById("search").oninput = ()=> this.search();
        shadow.getElementById("export").onclick = ()=> this.exportCookies();
        shadow.getElementById("import").onclick = ()=> this.importPrompt();

        this.render();
    }

    makeDraggable(el, handle=null){
        let drag=false, moved=false, ox=0, oy=0, sx=0, sy=0;
        const h = handle||el;

        const start = e=>{
            const t = e.touches? e.touches[0]:e;
            sx=t.clientX; sy=t.clientY; moved=false; drag=true;

            const r = el.getBoundingClientRect();
            ox = t.clientX - r.left;
            oy = t.clientY - r.top;

            el.style.transform="none";
            document.addEventListener("mousemove",move);
            document.addEventListener("mouseup",end);
            document.addEventListener("touchmove",move);
            document.addEventListener("touchend",end);
        };

        const move = e=>{
            if(!drag) return;
            const t = e.touches? e.touches[0]:e;

            if(Math.abs(t.clientX-sx)>5||Math.abs(t.clientY-sy)>5) moved=true;

            const x = Math.max(0, Math.min(window.innerWidth - el.offsetWidth, t.clientX-ox));
            const y = Math.max(0, Math.min(window.innerHeight - el.offsetHeight, t.clientY-oy));
            el.style.left=x+"px"; el.style.top=y+"px"; el.style.right="auto";
        };

        const end = ()=>{
            drag=false;
            if(moved) el._dragged=true;
            document.removeEventListener("mousemove",move);
            document.removeEventListener("mouseup",end);
            document.removeEventListener("touchmove",move);
            document.removeEventListener("touchend",end);
        };

        h.addEventListener("mousedown",start);
        h.addEventListener("touchstart",start,{passive:false});
    }

    refresh(){ this.loadCookies(); this.render(); }

    search(){
        const q = this.shadow.getElementById("search").value.toLowerCase();
        this.filtered = this.cookies.filter(c=> c.name.toLowerCase().includes(q) || c.value.toLowerCase().includes(q) );
        this.render();
    }

    render(){
        const list = this.shadow.getElementById("list");
        if(!list) return;
        if(!this.filtered.length){
            list.innerHTML = `<tr><td colspan="3" style="text-align:center;">No cookies.</td></tr>`;
            return;
        }

        const rows=[];
        for(const c of this.filtered){
            const name=this.escape(c.name);
            const val=this.escape(c.value);
            rows.push(`
                <tr><td>${name}</td><td>${val.slice(0,40)}${c.value.length>40?'…':''}</td>
                <td><button class="btn edit" data-name="${name}">✎</button>
                    <button class="btn del" data-name="${name}">×</button></td></tr>
            `);
        }
        list.innerHTML=rows.join("");

        list.querySelectorAll(".del").forEach(b=>{
            const name=this.unescapeHTML(b.dataset.name);
            b.onclick=()=> this.delete(name);
        });

        list.querySelectorAll(".edit").forEach(b=>{
            const name=this.unescapeHTML(b.dataset.name);
            b.onclick=()=> this.editPrompt(name);
        });
    }

    addPrompt(){
        const n=prompt("Name:"); if(!n) return;
        const v=prompt("Value:")||"";
        document.cookie = `${encodeURIComponent(n)}=${encodeURIComponent(v)};path=/`;
        this.refresh();
    }

    editPrompt(name){
        const c = this.cookies.find(x=>x.name===name);
        const v = prompt("New value:", c?.value||"");
        if(v===null) return;
        document.cookie = `${encodeURIComponent(name)}=${encodeURIComponent(v)};path=/`;
        this.refresh();
    }

    delete(name){
        const paths=[];
        for(let p=location.pathname; p; ){
            paths.push(p);
            p=p.substring(0,p.lastIndexOf('/'))|| (p.length>1?'/':'');
        }
        if(!paths.includes('/')) paths.push('/');

        const domains=[];
        const parts=location.hostname.split('.');
        for(let i=0;i<parts.length-1;i++) domains.push('.'+parts.slice(i).join('.'));
        if(!domains.includes(location.hostname)) domains.push(location.hostname);

        const exp="Thu, 01 Jan 1970 00:00:00 GMT";

        for(const path of paths){
            for(const d of domains){
                const opts=[
                    `;domain=${d};path=${path};expires=${exp}`,
                    `;path=${path};expires=${exp}`
                ];
                for(const o of opts)
                    document.cookie = `${encodeURIComponent(name)}=;${o}`;
            }
        }
        this.refresh();
    }

    deleteAll(){
        if(!confirm(`Delete ALL ${this.cookies.length} cookies?`)) return;
        for(const c of this.cookies) this.delete(c.name);
    }

    exportCookies(){
        const blob = new Blob([JSON.stringify(this.cookies,null,2)],{type:"application/json"});
        const a=document.createElement("a");
        a.href=URL.createObjectURL(blob);
        a.download="cookies.json";
        a.click();
    }

    importPrompt(){
        const inp=document.createElement("input");
        inp.type="file"; inp.accept="application/json";
        inp.onchange = ()=>{
            const file=inp.files[0];
            if(!file) return;
            const r=new FileReader();
            r.onload = ()=>{
                try{
                    const arr=JSON.parse(r.result);
                    arr.forEach(c=>{
                        document.cookie=`${encodeURIComponent(c.name)}=${encodeURIComponent(c.value)};path=/`;
                    });
                    this.refresh();
                }catch(e){ alert("Invalid JSON."); }
            };
            r.readAsText(file);
        };
        inp.click();
    }

    escape(s){ return s.replace(/[&<>"']/g,m=>({"&":"&amp;","<":"&lt;",">":"&gt;","\"":"&quot;","'":"&#39;"}[m])); }
    unescapeHTML(s){
        return s.replace(/&amp;/g,"&").replace(/&lt;/g,"<").replace(/&gt;/g,">")
                .replace(/&quot;/g,'"').replace(/&#39;/g,"'");
    }
}

})();