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HomeFLV vs SWF
.flv
.swf

FLV vs SWF

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

Format Overview

FLV

Flash Video

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

.flvvideo

SWF

Shockwave Flash

Shockwave Flash (.swf) is a video file format.

.swfvideo

FLV vs SWF: Feature Comparison

FeatureFLVSWF
Full NameFlash VideoShockwave Flash
File Extension.flv.swf
Categoryvideovideo
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use FLV vs SWF

Use FLV when you need:

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

Use SWF when you need:

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

Convert Between Them

FLV SWFSWF FLV
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最大ファイルサイズ：2GB

ファイルはブラウザ内でローカルに処理されます。サーバーにアップロードされません。

Learn More About These Formats

FLV Converter SWF Converter

Frequently Asked Questions

What is the difference between FLV and SWF?
FLV (Flash Video) and SWF (Shockwave Flash) are both video file formats. FLV files use the .flv extension while SWF uses .swf. They differ in compression, quality, compatibility, and intended use cases.
Can I convert FLV to SWF for free?
Yes! Convert999 lets you convert FLV to SWF 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 SWF?
It depends on your use case. FLV (Flash Video) may be better for certain workflows, while SWF (Shockwave Flash) 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

SWF Converter

Convert from SWF

File Tools

Compress, resize, merge

Convert to FLV

All sources → FLV

Convert to SWF

All sources → SWF

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNGPNGvsWEBPJPGvsWEBPSVGvsPNGHEICvsJPGBMPvsJPGTIFFvsJPGGIFvsPNG