4all-downloader

🚀 4all Downloader & Converter – "Infinity possibility"

RELEASE IS AVAILABLE

https://1winner137.github.io/4all-downloader.web/ - documentation

A sleek, cross-platform, all-in-one media downloader built for everyone. Lightweight, powerful, and fully customizable. Whether you're grabbing YouTube videos, full playlists, or high-speed direct downloads — 4all has you covered.

Biult in browser and freedom of javascript ,also show and hide browser.

🌍 Every language is supported – Choose your native tongue at startup for a fully localized experience.

🧠 Core Engine Features

• ⚙️ Plug-and-play engine system
• Comes with yt-dlp, aria2, and mx2 pre-configured — and will soon support Java-based crawling if needed.
• Easily add your own engine by defining it in settings.json

• Download even large files using built-in engines in addition to popular tools like Axel, Wget, and Mr. Curl.

• ♻️ Resume ANY download

• Crash-resistant: every download is checkpointed with .json

• Auto-resumes incomplete tasks on restart

• 🎯 Pre-download smart naming

• Define your filename formats using templates like: %(title)s_%(height)sp.%(ext)s

• 🌐 Subtitle support

• Optional subtitle download toggle (for supported platforms)

• 📂 Custom download directory & formats

• Choose your preferred folder

• Full control over video/audio format selection

• 🔐 And 10+ secret power features

• Discover them while using — a true open-source gem.

🖥️ Modern User Interface

No longer limited to Tkinter — combines the power of Kivy, Flet, PyQt6, and CustomTkinter

• 🧩 Tabbed Layout
• Active and Completed downloads, always sorted with latest first
• Clean, minimal look — no bloat

• 🛠️ Settings Panel
• Choose accent color, proxy, cookies, and user-agent headers
• Full language selection and customization options
• Proxy support for regional access
• Add cookies for private content
• Download thread manager for parallel batch downloads

• 📊 Live Progress Monitoring
• Intuitive controls: ▶️ Resume, ⏸️ Pause, ❌ Cancel

• 📂 Open folder, 🗑️ Delete file – all from the same view

• 🔇 Zero disruption

• No annoying pop-ups or alerts

• All operations handled silently in background threads

• 🎬 Built-in video preview

• Watch what you're downloading in real-time using the integrated QPlayer from PyQt6, FFmpeg, and YouTube-compatible video player

🔍 Built-in Search Engine

• 🔍 Keyword-based search
• Search and download videos using keywords directly within the app
• Supports YouTube and other major platforms with power to add custom engines
• Able to download from a limitless number of sites
• If a site isn't supported? Just plug in your own executable to download it

🌟 Additional Features

• 📋 Playlist support

• Download entire playlists or select specific videos

• 🎨 Theme customization

• Light and dark modes with accent color switching

• 🧰 Multiple user modes

• Novice: One-click downloads
• Professional: Advanced format chooser + thumbnails

• Expert: Raw yt-dlp command interface

• 🛠️ Built-in converter

• Convert videos to MP4, MKV, WebM, AVI, GIF, and more

• Extract audio to MP3, WAV, M4A, and others

• 📜 Download history

• Persistent, human-readable download log

• 🧩 Dual Interface

• Use either the beautiful GUI or switch to full CLI mode

🔥 Why Choose 4all Downloader?

• 💡 Add any engine — no restrictions or vendor lock-in
• 🪶 Ultra-lightweight with multi-core support
• 🧱 Works fully offline (bundles dependencies)
• 🛠️ Advanced yet simple — every aspect can be configured
• 🧼 Uses clean, open .json config and history for portability
• 🏗️ Ideal for power users, media collectors, automation setups, and curious hackers

4all Downloader is your ultimate universal media toolkit — open, expandable, and built for you.

🍥 Simple for beginners. Infinite for pros.