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HomeFLV vs F4V
.flv
.f4v

FLV vs F4V

Compare Flash Video and Flash MP4 Video formats — understand the key differences and when to use each

Format Overview

FLV

Flash Video

Flash Video (.flv) is a video file format.

.flvvideo

F4V

Flash MP4 Video

Flash MP4 Video (.f4v) is a video file format.

.f4vvideo

FLV vs F4V: Feature Comparison

FeatureFLVF4V
Full NameFlash VideoFlash MP4 Video
File Extension.flv.f4v
Categoryvideovideo
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use FLV vs F4V

Use FLV when you need:

  • •Files in Flash Video format for maximum compatibility
  • •Industry-standard video format support
  • •Wide software and platform compatibility

Use F4V when you need:

  • •Files in Flash MP4 Video format for specific workflows
  • •Optimized video format features
  • •Modern format advantages and smaller file sizes

Convert Between Them

FLV F4VF4V FLV
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Learn More About These Formats

FLV Converter F4V Converter

Frequently Asked Questions

What is the difference between FLV and F4V?
FLV (Flash Video) and F4V (Flash MP4 Video) are both video file formats. FLV files use the .flv extension while F4V uses .f4v. They differ in compression, quality, compatibility, and intended use cases.
Can I convert FLV to F4V for free?
Yes! Convert999 lets you convert FLV to F4V completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.
Which is better, FLV or F4V?
It depends on your use case. FLV (Flash Video) may be better for certain workflows, while F4V (Flash MP4 Video) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.
Is it safe to convert files on Convert999?
Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

FLV Converter

Convert from FLV

F4V Converter

Convert from F4V

File Tools

Compress, resize, merge

Convert to FLV

All sources → FLV

Convert to F4V

All sources → F4V

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNGPNGvsWEBPJPGvsWEBPSVGvsPNGHEICvsJPGBMPvsJPGTIFFvsJPGGIFvsPNG