FLV to M4V Converter
Convert Flash Video FLV files to M4V for Apple-focused media libraries, compatible players, editing tools, and M4V workflows.
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 M4V files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert FLV to M4V?
FLV is a Flash Video format used by established web video collections, media archives, and desktop applications. Converting it to M4V creates an MPEG-4 video container commonly associated with Apple devices, QuickTime, and compatible media libraries, ready for workflows that use the destination format.
M4V opens in Apple TV, QuickTime, VLC, compatible iPhone and Mac applications, and current media players.
Frequently Asked Questions
Why convert FLV to M4V?
FLV is the Flash Video format found in many established web video collections. M4V fits Apple-focused media libraries, compatible players, editing tools, and applications that request M4V.
What does Crest Convert create from my FLV file?
Crest Convert creates a standard M4V video with a widely compatible video stream and includes the first audio track when one is present.
Can I adjust the M4V quality?
Yes. Choose the visual quality before converting your FLV file to balance detail and output size for your intended use.
Can I resize the converted M4V video?
Yes. Use the output size slider to retain the source dimensions or reduce the width and height proportionally while keeping the original shape.
Can I batch convert FLV to M4V?
Yes. Add several FLV videos, convert them together, and download each completed M4V file when it is ready.
How is my FLV video processed?
Your FLV file is transferred over an encrypted connection, converted securely to M4V, and automatically deleted shortly after processing. No account is required.