Convert MP4 to FLV on Mac
Convert MP4 files to FLV format on your Mac with Jollycat. The most widely supported video format. Container for H.264/H.265 video with AAC audio. Works on every device. All processing runs locally on your Mac — no cloud processing and no uploads required for conversion.
MP4 vs FLV
| Property | MP4 | FLV |
|---|---|---|
| Type | container | container |
| Compression | H.264/H.265 + AAC | H.263/VP6/H.264 + MP3/AAC |
| Container | Yes | Yes |
| Common Codecs | H.264, H.265, AAC, MP3 | H.263, VP6, H.264, MP3, AAC |
| File Extension | .mp4 | .flv |
| Key Advantage | Universal device compatibility | Common in legacy archives |
How to Convert MP4 to FLV on Mac
Open your MP4 file
Drag and drop your .mp4 file onto the Jollycat icon in your macOS dock or menu bar. Jollycat instantly detects the format.
Choose FLV as output
Select FLV from the conversion options. Adjust quality settings, bitrate, or resolution if needed.
Convert and save
Click Convert and Jollycat processes the file instantly on your Mac. No uploads required, no waiting — everything runs locally on Apple Silicon.
When to Convert MP4 to FLV
FLV advantages
Common in legacy archives. Simple format.
MP4 limitations
Patent-encumbered codecs. Not ideal for editing.
Common use cases
Legacy web video, Old streaming archives, Flash content conversion.
MP4 to FLV Conversion Tips
Use Jollycat's trim and crop tools to edit your video before converting. This saves time by only processing the parts you need.
For sharing online, FLV with H.264 codec provides the best balance of quality and compatibility.
FLV was the dominant web video format during the Flash era (2005-2015). Flash was discontinued in 2020.
Frequently Asked Questions
Is the MP4 to FLV conversion free?
Jollycat is a one-time purchase for $9.99. Once purchased, you can convert MP4 to FLV and use all 1,650+ conversion paths with no limits.
Does converting MP4 to FLV require an internet connection?
No. Jollycat processes everything locally on your Mac. Your MP4 files never leave your device — all conversion happens offline using Apple Silicon.
Can I batch convert multiple MP4 files to FLV?
Yes. Drag multiple MP4 files onto Jollycat and convert them all to FLV at once. Batch processing is built in.
Ready to Convert MP4 to FLV?
Jollycat handles MP4 to FLV conversion and 1,650+ other format conversions. All offline on your Mac.
Get Jollycat for Mac