Cookie Manager PRO (Optimized + Import/Export)

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

Versión del día 26/11/2025. Echa un vistazo a la versión más reciente.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

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

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==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,"'");
    }
}

})();