4allDownloader Converter

The most advanced downloader & converter tool that combines the power of leading open-source technologies under an intuitive GUI. Download videos, Audio, from 10000+ of sites, and also files from any platform with advanced format conversion capabilities. Features a built-in browser with JavaScript injection support that remembers logins while maintaining complete privacy.
Five powerful tabs streamline your workflow: Home tab for pasting URLs, channels, playlists, and direct search; Browser tab for seamless web navigation; Downloads tab with resume/cancel support and download history; Utilities tab offering lossless conversion for all file formats plus URL analysis tools; Settings tab for proxy configuration, search limits, download engine selection, and advanced customization.
Experience lightning-fast downloads, universal format support, and privacy-focused browsing in one revolutionary application. Perfect for content creators, researchers, media enthusiasts and anyone who demand.

Features

Built in browser intergrated with AI - 1st in the world
Built in browser with custom javascript injection
Browser with download button, can read pdf,play music ,video and webcontent stuff.
Universal downloader for Videos, Audio and Files
Downloader that support 10000+ sites annd can go further more if user add more download engines to its path.
Download format include 4K,1080k even 240p and audio mp3,m4a,webm etc
Downloader support light and dark theme and can Analyze video link url
Downloader that can run in GUI and terminal (CLI) for task automation.
Download Playlist, subtitles, channels, courses from youtube and other sites like TikTok,vimeo etc.
Downloader support remembering incomplete download.
Download from YouTube, tiktok, Instagram, vimeo and other thousands more
Support multilanguages include Hindi, japanese,Espanol, Russian, English and other many more.
Convert videos to audio and vice versa in different format.
Convert in lossless quality and allow bulky conversion.
Settings for proxy, watch later, liked videos, extension, download engine etc
All aranged in 5tabs to give ultra expereience
WINDOWS SMART SCREEN IS DUE TO APP BE UNSIGNED

Project Samples

Browser with button fir AI analysis and showing various stuff like "feedback" tips and help button

HomeTab in darkMode and displaying Russian language but there are many other language.

SettingTab showing different configurations, and extension support also maintainable button

DowloadTab showing complete downloads in light mode, you can filter to show files or media like audio or video

UtilityTab, showing video url analyzer in spanol, but here is also converter.

converter in japanese language, just to show how wide language it is.

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lehnemann Posted 2025-11-07

The software have a Trojan:Win32/Pomal!rfn virus (trojan) according to Microsoft Defender.
winner137 Posted 2025-08-29

After extensively testing 4allDownloader & Converter, I can confidently say this is the most comprehensive download and conversion tool I've encountered. It successfully combines multiple functionalities into one seamless application without compromising on performance or usability. What Sets This Apart The 5-Tab Interface is Brilliant The developers have created an incredibly intuitive workflow with their tabbed approach: Home tab makes quick downloads effortless - just paste and go Built-in browser eliminates the need to switch between applications Downloads tab provides excellent progress tracking and history management Utilities tab offers powerful conversion tools that actually work Settings tab gives you complete control over how everything operates Universal Download Capability This tool delivers on its promise of supporting 1000+ sites. I've successfully downloaded content from YouTube, Vimeo, Facebook, Instagram, TikTok, and numerous smaller platforms without issues. The batch download feature for entire playlists and channels is a massive time-saver. Outstanding Conversion Features The lossless conversion capability is impressive - I've converted between multiple formats (MP4, MP3, WEBM, MKV) without noticeable quality degradation. The batch processing handles hundreds of files efficiently, and the custom presets feature saves significant time for repeated tasks. Performance & Reliability Speed & Efficiency Multi-threading delivers genuinely faster downloads, and the smart bandwidth management doesn't bog down my internet connection. Background downloads work flawlessly while I continue browsing or working on other tasks. Privacy Focus In today's privacy-conscious environment, the fact that this tool doesn't track search history and keeps all data local is refreshing. The optional proxy support adds another layer of privacy protection. Stability The resume/cancel functionality works perfectly - no more starting over when downloads are interrupted. The application handles large files and batch operations without crashes or memory issues. Built-in Browser Excellence The integrated browser with JavaScript injection support is surprisingly robust. Login memory works seamlessly, and the ability to right-click download any media directly from web pages streamlines the entire process. It's like having a specialized browser built specifically for downloading. Minor Considerations While this tool excels in almost every area, new users might initially feel overwhelmed by the extensive feature set. However, the intuitive interface design helps overcome this quickly. The learning curve is minimal considering the power you're getting. Who Should Use This Content creators needing reliable media downloads Anyone managing large media libraries Users requiring format conversion without quality loss Privacy-conscious individuals Power users who appreciate comprehensive toolsets Anyone tired of using multiple separate tools for downloading and converting Final Verdict 4allDownloader & Converter represents excellent value by consolidating multiple premium functionalities into one well-designed package. The combination of universal downloading, lossless conversion, built-in browser, and privacy features makes this an essential tool for anyone regularly working with digital media. The developers have clearly put significant thought into user workflow and experience. This isn't just another download tool - it's a complete media management solution that actually delivers on its ambitious promises. Highly recommended for both casual users and professionals.