MP4 to FLV Converter
Convert MP4 videos to FLV format. 100% free, secure, and works offline. No file size limits or watermarks.
Convert MP4 to FLV
Select your MP4 file to convert to FLV
How to Convert MP4 to FLV
Select Your File
Click to browse or drag and drop your MP4 file
Choose Settings
Select FLV as output format and adjust options
Download Result
Click convert and download your FLV file instantly
Why Choose Our MP4 to FLV Converter?
🔒 Complete Privacy
All conversions happen in your browser. Your files never leave your device.
⚡ Ultra Fast
Powered by WebAssembly for lightning-fast conversions without server delays.
♾️ No Limits
Convert files of any size. No upload limits, no watermarks, no registration.
📱 Cross-Platform
Works on any device with a modern browser - desktop, tablet, or mobile.
🎯 High Quality
Professional-grade FFmpeg ensures the best quality output every time.
🌐 Works Offline
Once loaded, continue converting even without an internet connection.
Frequently Asked Questions
Is it really free to convert MP4 to FLV?
Yes! Our converter is 100% free with no hidden costs, no watermarks, and no registration required.
Is my file secure during conversion?
Absolutely. Your files never leave your device. All processing happens locally in your browser, ensuring complete privacy.
What's the maximum file size I can convert?
There's no fixed limit! The only constraint is your device's available memory. Most devices can handle files up to several GB.
Do I need to install any software?
No installation needed. Our converter works directly in your web browser using advanced WebAssembly technology.