Convert Video Links to MP4 - Online Converter
UniDownload converts video links to MP4 files in seconds. Paste the URL of any public video, choose your quality, and download a playable MP4 — the same tool also extracts MP3 when you only need the audio.
How to Download Videos Free
Copy the video link
Open the video on any supported site and copy its URL from the address bar or share menu.
Paste it above and click Get Info
The tool instantly reads the link and shows every available quality for that video.
Choose quality and Download
Pick the resolution you want (or MP3 for audio only) and the MP4 file saves directly to your device.
Why Choose UniDownload
Works with 1000+ sites
YouTube, Facebook, Instagram, TikTok, Twitter/X, Reddit, Vimeo, and many more platforms.
Fast server-side downloads
Videos are processed on our servers and streamed to you at the highest possible speed.
Every device, every browser
Fully responsive — works on Android, iPhone, tablets, Windows and Mac. Nothing to install.
Free, private & unlimited
No registration, no watermarks, no download limits, and no personal data required.
Frequently Asked Questions
What format will I get?
Videos are saved as MP4 with H.264 video, the most compatible format. It plays on any phone, tablet, computer, TV, and media player without extra software.
How long does a download take?
It takes only seconds. Paste the link, get video info instantly, choose your quality, and the file starts downloading right away.
Is this online video downloader really free?
Yes. UniDownload is 100% free — no registration, no hidden fees, no watermarks. Download as many videos as you need, whenever you want.
Can I also get audio only?
Yes. Besides MP4 video, you can extract the audio as MP3 — perfect for music, podcasts, and interviews.