M4V to MP4 Converter - Free Desktop App
Convert M4V to MP4 offline. Batch convert thousands, itunes to universal. Works on Mac & Windows.
Convert Your Videos
Universal playback
Your M4V iTunes videos will be converted to MP4 for universal playback. MP4 works on all devices while M4V is restricted to Apple ecosystem.
Note: Hardware acceleration makes video conversion 5-20x faster using your GPU.
Why Desktop Tools Beat Online Tools
| Feature | Online Tools | Diwadi Desktop |
|---|---|---|
| Upload Required | ❌ Required | 🎯 Never |
| File Size Limit | ❌ 50MB max | ♾️ Unlimited |
| Speed | ⏳ Slow (upload/download) | ⚡ Instant |
| Batch Processing | ❌ 1 file | ✅ 1000s |
| Privacy | ⚠️ Risky (cloud upload) | 🔒 100% Local |
| AI Features | ❌ No | 🤖 Yes |
| Offline | ❌ No | ✅ Yes |
| Cost | Free | Free ✅ |
How It Works
Download & Install
Takes just 30 seconds. No account, no credit card required.
Browse & Select Your M4V files
Navigate your files like a regular file browser. Batch processing supported.
Get MP4 files (Instant)
Processing happens locally on your computer. No upload wait.
Why Choose Diwadi Desktop?
Privacy First
Files never leave your computer. No cloud upload, no data collection, 100% local.
Lightning Fast
Process files 10x faster than online tools. No upload wait, no download wait.
No Limits
Convert unlimited files of any size. Batch process thousands in one click.
AI-Powered
Smart formatting detection, auto-cleanup, better accuracy.
Works Offline
No internet required. Perfect for flights, secure environments.
Free to Use
No trial limits, no watermarks, no credit card required.
Frequently Asked Questions
Is this tool really free?
Yes! Completely free with no limits on file count, file size, or usage. No watermarks and no credit card required. Free.
Do I need to upload my files?
No! All processing happens locally on your computer. Your files never leave your device, ensuring complete privacy.
Can I process multiple files at once?
Yes! Unlimited batch processing. Select thousands of files and process them all in one operation.
What file size can I process?
Unlimited! No file size restrictions. Process files of any size - only limited by your disk space.
Does it work offline?
Yes! Works completely offline. Perfect for travel, flights, or locations with poor internet.
Is it available for Mac and Windows?
Yes! Supports macOS and Windows. Download the version for your operating system.
Will my data be safe?
100% safe. All processing happens locally. We don't collect, store, or transmit your files. Complete privacy.
How fast is processing?
Very fast with hardware acceleration. No upload/download time like online tools. Process files 10x faster.
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Learn More
Understand video formats, compression, and how Diwadi compares to alternatives