FLV to MP4 Converter

Convert FLV (Flash Video) files to MP4 format online with this free tool. Supports batch conversion and quality settings.

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About This Tool

This FLV to MP4 converter allows you to transform Flash Video files into the widely compatible MP4 format. FLV files were commonly used for web video but have limited compatibility with modern devices. Our tool uses FFmpeg to perform actual video conversion, maintaining quality while changing the container format. You can upload FLV files up to 500MB, choose output quality settings, and download the converted MP4 files. The process is secure - files are processed on our servers and automatically deleted after conversion.

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How to Use

Click the upload area or drag & drop your FLV file
Select your desired MP4 quality settings (optional)
Click the 'Convert to MP4' button
Wait for the conversion to complete
Download your converted MP4 file

Frequently Asked Questions

Find Quick Answers

What is the maximum file size I can convert?

You can convert FLV files up to 500MB in size. For larger files, consider using desktop conversion software.

Will the conversion affect video quality?

The conversion maintains the original video quality as much as possible. You can choose different quality settings if you want to reduce file size.

How long does the conversion take?

Conversion time depends on file size and server load. A typical 100MB file takes about 30-60 seconds to convert.

Are my uploaded files secure?

Yes, files are processed on secure servers and automatically deleted after conversion. We don't store or share your videos.

What video codecs are supported in the output?

The MP4 output uses H.264 video codec and AAC audio codec for maximum compatibility with devices and players.

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