VideoBinary

`video/x-f4v`

Flash MP4 Video

Reference for video/x-f4v, Adobe's F4V format bridging Flash Video and MP4 for H.264 content in Flash Player.

MIME Type Detector

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Expected extensions: .f4v

HTTP Content-Type Header

HTTP Header

Content-Type: video/x-f4v

Associated File Extensions

.f4v

Quick Facts

MIME Type	video/x-f4v
Category	Video
Type	Binary
Extensions	.f4v

Common Usage

F4V was Adobe's MP4-compatible Flash video format, introduced when Flash Player added H.264 support. It combined the MP4 container with Flash's streaming capabilities.

Like FLV, F4V is now obsolete following Flash's deprecation and should be converted to standard MP4.

Code Examples

HTML

<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.f4v" type="video/x-f4v">

<!-- Or for script/media elements -->
<script type="video/x-f4v" src="file.f4v"></script>

Node.js

// Express.js
app.get('/file', (req, res) => {
  res.type('video/x-f4v');
  res.send(data);
});

// Node.js http
res.writeHead(200, { 'Content-Type': 'video/x-f4v' });

nginx

# nginx.conf — add to types block or use default
types {
    video/x-f4v  f4v;
}

# Or set for a specific location
location /api/ {
    default_type video/x-f4v;
}