Convert AVI to MP4 online free. Smaller file sizes with same quality. Universal device compatibility. Batch processing supported. Secure, no registration required.
Upload Files
Drag & drop AVI files here
or
Process Files
Convert all uploaded AVI files to MP4 format
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Download Results
Converted files will appear here
How to Convert AVI to MP4 Online
Step-by-Step Instructions:
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1
Upload AVI Files: Click "Choose Files" or drag and drop your AVI video files into the upload area.
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2
Review Files: Check your uploaded AVI files in the file list and remove any unwanted files if needed.
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3
Start Conversion: Click "Convert All Files" to begin the AVI to MP4 conversion process with real-time progress tracking.
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Download MP4 Files: Download individual MP4 files or get all converted videos as a ZIP archive.
Why Convert AVI to MP4 Format?
- Smaller File Sizes: MP4 uses H.264/H.265 compression for 50-70% smaller files with same quality
- Universal Compatibility: Works on all devices - smartphones, tablets, smart TVs, and computers
- Web Optimized: Perfect for streaming, social media, and online video platforms
- Better Performance: Faster loading, smoother playback, and lower bandwidth usage
- Modern Standard: Industry-standard format for video distribution and archiving
About AVI to MP4 Video Conversion
AVI to MP4 conversion modernizes your video library with better compression and universal compatibility. AVI is older with larger file sizes, while MP4 uses advanced codecs for smaller files with same quality.
Our converter uses optimized encoding to maintain original quality. Automatically detects codecs, resolution, frame rate, and audio settings for optimal MP4 output.
AVI Format Characteristics
- • Older Microsoft container format
- • Larger file sizes (less compression)
- • Limited device compatibility
- • Good for Windows legacy systems
- • Not optimized for streaming
MP4 Format Advantages
- • Modern compression (H.264/H.265)
- • 50-70% smaller file sizes
- • Universal device compatibility
- • Optimized for web streaming
- • Industry standard format
Frequently Asked Questions
Is it free to convert AVI to MP4?
Yes, 100% free with no hidden costs. Convert unlimited files without registration or watermarks.
Does conversion preserve video quality?
Yes, maintains high quality while optimizing file size. All metadata, resolution, and audio quality preserved.
Are my video files secure during conversion?
Yes, files processed securely via HTTPS and automatically deleted after conversion. Complete privacy guaranteed.
How long does conversion take?
Depends on file size. Typically, 100MB converts in 1-3 minutes with real-time progress tracking.
Can I convert multiple AVI files at once?
Yes, batch processing allows multiple files to convert simultaneously. Download all as ZIP.
What's the difference between AVI and MP4?
MP4 offers better compression, 50-70% smaller files, and wider device compatibility than AVI.
What's the maximum file size I can convert?
Maximum 750MB per AVI file. Upload multiple files for batch conversion.
Do I need to install software?
No installation needed. Web-based tool works directly in your browser. Compatible with all modern browsers.
Professional AVI to MP4 Converter Features
High-Quality Video Conversion
- • Preserves original video quality and resolution
- • Maintains perfect audio-video synchronization
- • Optimized H.264/H.265 encoding
- • Supports HD and Full HD conversion
- • Retains video metadata and properties
- • Professional-grade conversion algorithms
Advanced Batch Processing
- • Convert multiple AVI files simultaneously
- • Real-time progress tracking for each file
- • Efficient parallel conversion pipeline
- • Bulk download as ZIP archive
- • Individual file download options
- • Queue management for large batches
Security & Privacy Protection
- • Secure HTTPS encrypted file transfer
- • No registration or account required
- • Automatic file deletion after conversion
- • Privacy-focused design principles
- • No file storage or data collection
- • GDPR compliant processing
Fast & Efficient
- • Quick conversion processing
- • Optimized server infrastructure
- • No waiting queues
- • Instant file processing
Cross-Platform Compatible
- • Works on Windows, Mac, Linux
- • Mobile-friendly responsive design
- • All modern browsers supported
- • No software installation needed
Unlimited & Free
- • 100% free with no hidden costs
- • Unlimited conversions daily
- • No watermarks on output files
- • All features completely free
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