Why use a YouTube to MP4 Downloader?
MP3stack lets you save YouTube videos as smooth MP4 files with perfect audio-video sync. Whether it’s music videos, tutorials, lectures, or vlogs — paste a link or search keywords, preview the right clip, and download in seconds.
- Want audio only? Try YouTube to MP3 (64–320 kbps).
- Saving playlists? Use Playlist Downloader.
- Need Shorts? YouTube Shorts Downloader.
- Trim highlights? MP3 Cutter & Fade.
Public videos only. Availability and resolution depend on the original upload. No watermark when source allows.
How to use
- Paste a YouTube link or type Artist – Title.
- Select MP4 and click Search.
- Preview to confirm video & duration.
- Choose the resolution: 144p up to 4K.
- Click Download to save.
Add “official / 4K / live / lyrics” to narrow results. Example: Artist – Title (official video 4K).
What you can convert
- YouTube → MP4 music videos, tutorials, lectures, gaming.
- HD/4K up to 60fps (when the source supports it).
- Subtitles/CC included if available.
- Chapters — skip to highlights easily.
Higher resolution means bigger files — balance storage vs. quality.
Why choose MP3stack?
- Perfect audio-video sync.
- Multiple resolutions — 144p to 4K.
- Preview-first — avoid wrong downloads.
- Fast & mobile-friendly.
- No login, no app required.
Quick Start Guide
- Paste a YouTube link or search by Artist – Title.
- Pick the right version (official/live/lyrics).
- Preview, select resolution.
- Click Download and enjoy offline.
For mobile data: 360p–480p. For big screens: 720p–1080p+. Use 4K if you want max quality.
Features & Benefits
- Clean thumbnails — best frame shown when available.
- Audio track choice — main or alternate.
- Cross-device — Android, iOS, Windows, macOS, TVs.
Use Cases
- Offline viewing — perfect for travel & flights.
- Classroom reference — keep tutorials handy.
- Archive content — lectures, webinars, livestreams.
- Practice material — slow down or loop segments.
Device & Browser Guide
Android: Use Chrome; file saved in Downloads.
iPhone / iPad: Safari → Files app → Downloads.
Windows / Mac: Use Chrome/Firefox; check Downloads folder.
Smart TVs: Preview works; some limit direct saving.
Quality & Storage Planner
| Format | Quality | Avg Size (4 min) | Best Use |
|---|---|---|---|
| MP4 | 144p | ~8–12 MB | Lightweight, audio-first |
| MP4 | 240p | ~12–20 MB | Low data mode |
| MP4 | 360p | ~15–30 MB | Casual viewing |
| MP4 | 480p | ~25–45 MB | Balanced quality |
| MP4 | 720p | ~40–80 MB | Laptop / tablet |
| MP4 | 1080p | ~70–140 MB | TV / large screens |
| MP4 | 1440p/4K | Varies | Ultra HD (when source provides) |
Popular searches
FAQ
Is it free?
What resolutions are supported?
Can I keep subtitles?
Why is a video missing?
Is it legal & safe?
Troubleshooting
- Download didn’t start: allow pop-ups; click final Download button.
- Slow/timeout: switch to Wi-Fi or choose 360p–480p.
- No audio / out-of-sync: pick another resolution.
- Low storage: delete old files or use smaller resolution.
Copyright & compliance
All trademarks and logos belong to their owners. MP3stack does not permanently store files; items are generated on demand from public sources.
⚠ Attention:
By using this service you agree to our Terms of Service.
Use it only for content you own rights to or that is free-licensed.