Convert any video to MP4 for free
Turn your videos into MP4 format in seconds.
Upload your file and get a high-quality MP4 instantly with CogVideo.
No signup required.
MP4 is the most widely supported video format for web, mobile, and social platforms.
Make sure your videos play everywhere — fast, simple, and free.
Why convert to MP4?
MP4 (H.264/H.265) offers the best balance of:
- compatibility across devices and players,
- high quality at small file sizes,
- easy uploading to YouTube, Instagram, TikTok, WhatsApp, and email.
If your video won’t play or upload, converting to MP4 usually fixes it.
Why use CogVideo’s free MP4 converter?
100% free — no watermarks, no hidden limits
⚡ Fast online conversion — no installs needed
🎯 High-quality output — keep your video sharp
📱 Works on any device — Windows, Mac, iOS, Android
🔒 Secure processing — files handled safely
📂 Supports many formats — MOV, AVI, MKV, WMV, FLV & more
How it works
1. Upload your video
Select any video file from your device.
2. Convert to MP4
We automatically optimize it for MP4 playback.
3. Download your MP4
Get your converted file instantly.
Perfect for
- 📺 Uploading to YouTube & streaming platforms
- 📱 Sharing on social media & messaging apps
- 💼 Presentations & work tools
- 🌐 Websites & landing pages
- 🎞 Playing on phones, tablets & TVs
FAQs
Is this MP4 converter really free?
Yes. You can convert videos to MP4 online for free without signing up.
Will my video lose quality?
No. We preserve the original quality as much as possible while optimizing for MP4.
What formats can I convert from?
MOV, AVI, MKV, WMV, FLV, WebM, M4V, and most common formats.
Is my video safe?
Yes. Files are processed securely and deleted automatically after conversion.
Can I convert videos on my phone?
Absolutely. The tool works on mobile browsers too.
Is there a size limit?
Large files are supported, though extremely large videos may depend on your plan.
More tools:
Compress video to smaller size