YouTube to MP3 Converter (320kbps) & MP4 Downloader
Fast, Simple, High-Quality Downloads
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Paste a YouTube link, choose MP3 or MP4, and download instantly. Songs, videos, and Shorts are all supported — up to 320kbps, free and without signup.
Open Source YouTube to MP3 Converter (GitHub)
View Source Code on GitHub ↗YT-Ai is a fully open-source YouTube converter. Unlike closed-source alternatives, our complete codebase is publicly available on GitHub for anyone to inspect, fork, or self-host.
Searching for a youtube video to mp3 converter github project? You've found it. The repository contains the full HTML, CSS, and JavaScript powering this converter — no hidden trackers, no obfuscated code, no surprises. Star the repository if you find it useful.
You can also self-host YT-Ai on your own GitHub Pages with a single fork. Perfect for developers, students, and privacy-conscious users who want full control.
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Why Choose YT-Ai for Your Downloads?
YT-Ai was built with a singular focus: keeping downloads simple. Paste a link, pick a format, and save the file, with no account and no software to install.
High-Quality Audio
Download audio at up to 320kbps MP3, preserving the depth of the original track.
HD Video Support
Download your favorite content in 720p, 1080p, and 4K MP4 when the source video offers it.
Universal Compatibility
Works on Windows, macOS, Android, or iOS directly in your browser. No software needed.
Shorts Supported
Our parser handles standard URLs, youtu.be short links, and mobile shares.
How to Download in 3 Simple Steps
- 1Copy the Video Link: Open YouTube, find your desired video, music track, or Short, and copy the URL from your browser's address bar or the "Share" menu.
- 2Paste and Select Format: Paste the URL into the converter above. Choose Audio (MP3) for listening or Video (MP4) for visual content.
- 3Download and Save: Click the download button and save the file directly to your device.
The Evolution of YouTube
The story of YouTube is one of the most remarkable pivots in internet history. Founded in February 2005 by three former PayPal employees—Chad Hurley, Steve Chen, and Jawed Karim—the platform was initially conceived as a video-based dating service. When that concept failed to gain traction, the founders wisely shifted their focus to a general video-sharing platform.
The first video ever uploaded, "Me at the zoo," featured co-founder Jawed Karim at the San Diego Zoo and was only 18 seconds long. Despite its simplicity, it laid the groundwork for a revolution. Recognizing the platform's explosive potential, Google acquired YouTube in November 2006 for $1.65 billion in stock. Over the past two decades, YouTube has evolved from a repository of grainy, user-generated clips into the world's second-largest search engine and the backbone of the modern creator economy.
YouTube by the Numbers
Understanding the scale of YouTube highlights why reliable, high-quality downloading tools are in such high demand. The platform's ecosystem is vast and continuously expanding:
The Uniqueness of YT-Ai
Many free converter sites rely on fake download buttons, forced browser extensions, and aggressive pop-ups. YT-Ai aims to avoid those patterns.
Our focus is transparency and minimalism. We provide a clean, dark-mode-first interface that gets out of your way, and we do not require an account or ask for personal details. To keep the service running, this page uses analytics and advertising services, which may collect usage data such as your IP address. See our Privacy Policy for details. If you want a version without ads, try ruvs.in.
Frequently Asked Questions
Yes, YT-Ai is free to use. We do not require registration or charge hidden fees. Our goal is to provide a simple downloading experience for everyone.
You can convert YouTube audio at up to 320kbps, the highest standard MP3 bitrate. Actual quality also depends on the source audio.
Yes. Select Video (MP4) and choose your preferred resolution. We support up to 1080p Full HD and 4K, depending on the source video's availability.
Yes. YT-Ai is fully responsive and works in Safari, Chrome, and Firefox on both Android and iOS. You do not need to install any app.
We do not ask for an account or personal details, and we do not knowingly serve malware. The site does use analytics and advertising services, so some usage data is collected by those providers. Read our Privacy Policy for details.
Yes. The full source code is publicly available on GitHub. You can inspect it, fork it, and self-host your own copy.
Legal and Ethical Usage Guidelines
YT-Ai is intended for personal, fair-use archiving and offline accessibility. We encourage all users to respect intellectual property rights and YouTube's Terms of Service.
This tool should only be used to download content that you own, content that resides in the public domain, or media distributed under a Creative Commons license that permits downloading. You are responsible for how you use the files you download.
Official Links & Resources
Quick access to our official platforms, documentation, and trusted resources:
How to Choose the Right MP3 Bitrate
64 kbps is fine for spoken-word content, 128 kbps suits casual listening, and 192 kbps is a good balance of size and quality for music. 256 and 320 kbps are best for good headphones or speakers.
Keep in mind that YouTube already compresses its audio. Choosing 320 kbps will not add detail that is missing from the source, it only makes the file larger.
MP3 vs MP4: Which Format Should You Pick?
Choose MP3 when you only need the sound: music, podcasts, lectures, or audio you want to play on any device. Files are small and almost every player supports them.
Choose MP4 when the picture matters, such as tutorials, recipes, or presentations. Expect larger files, especially at 1080p and above.
Downloading YouTube Shorts: What to Expect
Shorts are vertical videos, so MP4 downloads will keep the tall 9:16 shape. Paste the Shorts link just like a normal video link.
Shorts are brief and often use licensed music, so the audio-only option is mostly useful for original sounds you have permission to keep.
What's New in YT-Ai
- October 28, 2026 — Added guide: Downloading YouTube Shorts: What to Expect
- October 24, 2026 — Added guide: MP3 vs MP4: Which Format Should You Pick?
- October 19, 2026 — Added guide: How to Choose the Right MP3 Bitrate
System Last Updated: