FLV to MP4 Converter
Convert Flash Video FLV files to MP4 for current browsers, phones, computers, editors, websites, and presentation software.
Drop your FLV files here
Up to 250MB per file.
Conversion Settings
Files are encrypted and auto-deleted after conversion
How to Convert
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Upload your FLV files
Drag and drop or select FLV files from your device. You can upload multiple files at once.
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Configure Output
Choose the video quality and keep the source dimensions or reduce the output size proportionally.
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Download MP4 files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert FLV to MP4?
FLV is a Flash Video format used by established web video collections, media archives, and desktop applications. Converting it to MP4 creates a widely supported video format used by phones, computers, websites, televisions, and social platforms, ready for workflows that use the destination format.
MP4 plays on iPhone, Android, Windows, Mac, smart TVs, modern browsers, and leading video-editing applications.
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Frequently Asked Questions
What is the benefit of converting FLV to MP4?
FLV is the Flash Video format used by many earlier web video libraries. MP4 is ready for current browsers, devices, editors, and websites.
Where can I use the converted MP4 video?
The completed MP4 is well suited to modern playback, archiving web video, presentations, editing, and sharing.
Can I choose the MP4 quality and size?
Yes. Choose the visual quality and use the output size slider to retain the source dimensions or reduce them proportionally.
Will the converted video include sound?
Yes. Crest Convert includes the first audio track when the source video contains one. A video without an audio track remains a silent video.
Can I convert several FLV videos?
Yes. Add multiple FLV files, convert them together, and download each completed MP4 file when it is ready.
How is my FLV video handled?
Your FLV file is transferred over an encrypted connection, converted securely, and automatically deleted shortly after processing. No account is required.