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FLV to MP4 Converter Free Online

Modernize your FLV videos by converting to MP4 format. Better compatibility, enhanced quality, and universal support.

FLV to MP4 Converter

Convert Flash FLV videos to MP4 format for modern device compatibility

Convert to MP4

Drop your video file here

or click to browse files

Supported formats: FLV, F4V

Maximum file size: 1000 MB

Loading FFmpeg... Please wait while the video converter initializes.

Usage Tips

  • • All conversions are processed locally in your browser for privacy
  • • Maximum file size: 1000MB
  • • Higher quality settings may take longer to process
  • • Use a modern browser like Chrome, Firefox, or Safari for best results
Key Features
Flash video modernization
Enhanced compatibility
Quality improvement
Mobile device support
Web-ready output
How to Use
  1. Select or drag and drop your video file
  2. Choose conversion settings (optional)
  3. Click "Convert" to start the process
  4. Download your converted file when ready
Frequently Asked Questions

What file formats are supported?

Input formats: FLV, F4V. Output format: MP4.

Is there a file size limit?

Yes, the maximum file size is 1000MB for optimal performance.

Is my data secure?

Yes, all conversions are performed locally in your browser. Your files never leave your device.

Technical Information

Input Formats

FLVF4V

Output Format

MP4

Max File Size

1000MB

Why Convert FLV to MP4?

Modern Compatibility

MP4 is supported by all modern devices and browsers, unlike legacy FLV format.

Better Quality

MP4 offers superior video quality and more efficient compression than FLV.

Mobile Support

Perfect playback on smartphones and tablets with native support.

How to Convert FLV to MP4

1

Upload FLV File

Click the upload button and select your FLV video file from your device.

2

Start Conversion

The conversion process will begin automatically in your browser.

3

Download MP4

Once complete, download your converted MP4 file instantly.

Frequently Asked Questions

What is FLV format?

FLV is a Flash Video format that was popular for web video streaming but is now largely obsolete.

Why should I convert FLV to MP4?

MP4 offers better compatibility, quality, and is supported by all modern devices and browsers.

Is the conversion free?

Yes, our FLV to MP4 converter is completely free with no limitations.