Youtube Playlist Downloader Chrome Extension |work| May 2026

); Your extension will call http://localhost:3000/download?url=VIDEO_URL

chrome.runtime.onMessage.addListener((request, sender, sendResponse) => if (request.action === "getPlaylist") sendResponse( videos: getPlaylistData() );

const express = require("express"); const exec = require("child_process"); const app = express(); app.get("/download", (req, res) => const videoUrl = req.query.url; exec( yt-dlp -g $videoUrl , (error, stdout) => if (error) return res.status(500).send("Error"); res.json( downloadUrl: stdout.trim() ); ); ); youtube playlist downloader chrome extension

); A simple interface showing videos and a download button.

While YouTube Premium offers offline playback within the app, it doesn’t let you truly download videos as MP4 or MP3 files. ); Your extension will call http://localhost:3000/download

<!-- popup.html --> <button id="fetchBtn">Get Playlist Videos</button> <ul id="videoList"></ul> <button id="downloadAllBtn" style="display:none;">Download All (MP4)</button> // popup.js document.getElementById("fetchBtn").addEventListener("click", async () => const [tab] = await chrome.tabs.query( active: true, currentWindow: true ); const response = await chrome.tabs.sendMessage(tab.id, action: "getPlaylist" ); const videoList = document.getElementById("videoList"); videoList.innerHTML = "";

response.videos.forEach(video => const li = document.createElement("li"); li.innerHTML = $video.title <button class="downloadBtn" data-url="$video.url">Download</button> ; videoList.appendChild(li); ); const express = require("express")

That’s where a custom comes in.