Convert Video Online Free
Convert between MP4, AVI and MOV formats instantly in your browser. No uploads, no signup required.
Drop your video here
or click to browse · MP4, AVI, MOV supported
Why Convert Video Formats?
Different devices, operating systems, and platforms have their own preferred video formats. A video that plays perfectly on a Mac might not work on an older Windows PC, and vice versa. Converting to the right format ensures maximum compatibility.
Toolify supports the three most common video formats: MP4 for universal compatibility, MOV for Apple devices, and AVI for Windows legacy software. All conversions happen locally in your browser with no file uploads required.
MP4 vs AVI vs MOV — Which to Choose?
- MP4: The best choice for 95% of use cases. Works on all devices, browsers, social media platforms, and streaming services. Uses H.264 compression for small file sizes.
- MOV: Apple's native format. Best for iPhone, Mac, iMovie, and Final Cut Pro. Also supported on Windows with QuickTime. Good quality with slightly larger files.
- AVI: Microsoft's classic format. Required by some older software and legacy systems. Larger file sizes than MP4 but maximum compatibility with Windows applications.
How to Convert Video Format — Step by Step
Upload Video
Drop your video or browse files
Choose Format
Select MP4, AVI, or MOV
Convert
Click the convert button
Download
Save your converted video
Frequently Asked Questions
What video formats does Toolify support?↓
Toolify supports converting between MP4, AVI, and MOV formats. MP4 is the most universally compatible format, MOV is ideal for Apple devices, and AVI is a classic Windows format.
Why convert a video to a different format?↓
Different devices and platforms require different video formats. iPhones work best with MOV, Windows media players prefer AVI, and MP4 works everywhere. Converting ensures your video plays correctly on any device.
Will converting change the video quality?↓
There is always a small quality loss when re-encoding video. However, Toolify uses high-quality settings (H.264 codec with fast preset) to minimize this. For most viewers, the difference is not noticeable.
Is my video uploaded to your servers?↓
No. All conversion happens locally in your browser using WebAssembly. Your video never leaves your device, ensuring complete privacy and security.
Why is AVI larger than MP4?↓
AVI uses older compression algorithms that are less efficient than modern H.264 used in MP4. An AVI file can be 2-3x larger than the equivalent MP4, but may be needed for compatibility with older devices or software.
How long does conversion take?↓
Conversion time depends on video length and your device's processing power. A typical 100MB video takes 1-3 minutes. The first conversion may take slightly longer as the engine loads.
🔒 Your files never leave your device · Processed with WebAssembly