SWF to FLV for Video Workflows
Fast, instant SWF to FLV conversion. No signup required. Just drop your .swf file and get .flv in seconds.
Batch Settings
还在为那些老旧的SWF动画文件发愁吗？它们曾经是网页上的明星，但在移动设备和流媒体日益普及的今天，SWF文件在很多平台都难以播放，分享起来更是麻烦。尤其是在微信这样的社交生态里，直接分享SWF几乎是不可能完成的任务。将SWF转换为FLV格式，就能让这些珍贵的动画内容重新焕发生机。FLV不仅体积更小巧，加载速度更快，更重要的是，它与当前主流的视频播放器和平台有着更好的兼容性。无论是想在手机上重温经典小游戏，还是将教学动画分享给学生，亦或是把那些精彩的Flash短片发布到视频平台，FLV都能为你打通分享的壁垒，让你的内容无缝触达更多受众。告别兼容性烦恼，拥抱流畅的观看体验，让你的SWF内容在数字世界里继续精彩。
- 微信分享经典Flash游戏
- 教学动画课件移动端播放
- 老旧网站动画内容转存与发布
在中国大陆及周边地区，随着Flash Player的逐步淘汰，许多基于SWF的网页小游戏和动画已无法直接访问。转换为FLV能让这些内容在主流视频平台（如B站、抖音）或通过微信分享，重新获得生命力。
About SWF to FLV Conversion
Whether you're one of the many videographers, editors, and social media managers who work with SWF files daily, there comes a time when you need FLV instead. SWF is a widely used file format.
Here's a typical scenario: you receive a .swf file but your project, platform, or client requires .flv. FLV (Flash Video) is a legacy streaming format — converting to MP4 is recommended for modern use. Rather than searching for desktop software or wrestling with command-line tools, you can convert SWF to FLV online in seconds with CocoConvert.
This conversion is ideal when you When you need a FLV file. The conversion helps you convert between formats quickly.
Converting SWF to FLV maintains high quality with CocoConvert's optimised encoder settings.
Behind the scenes, CocoConvert uses industry-standard tools — FFmpeg for audio and video, Sharp for images, qpdf for documents. Your file is uploaded securely (TLS encryption), processed on isolated servers in Germany, and auto-deleted within 24 hours. No account, no watermark, no hidden fees.
Power users can batch convert up to 100 files simultaneously with a Pro subscription, making it practical for production workflows.
How to Convert SWF to FLV
- 1
Drop your file
Drag your .swf file onto the converter. Need to process many files? Add up to 5 at once (100 for Pro).
- 2
Set output to FLV
Pick FLV from the format list. The converter automatically tunes settings for the SWF→FLV pair.
- 3
Hit Convert
Processing happens server-side — your browser stays responsive. Most video files convert in under 10 seconds.
- 4
Download and use
Your .flv file is ready to plug into your workflow. Download it or share the link (expires in 24 hours).
What Happens When You Convert SWF to FLV
Your SWF file is decoded and re-encoded as FLV.
Your SWF file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in FLV format
The converted file is ready for download
Format Comparison
SWF
.swf file
| Extension | .swf |
| MIME Type | application/x-shockwave-flash |
| Category | Video |
FLV
.flv file
| Extension | .flv |
| MIME Type | video/x-flv |
| Category | Video |
Should You Convert SWF to FLV?
When to Convert
- ✓When you need a FLV file
Frequently Asked Questions
Who needs to convert SWF to FLV?
This conversion is commonly used by videographers, editors, and social media managers. Typical reasons include convert between formats quickly and ensuring compatibility with downstream tools or platforms.
Can I convert SWF to FLV without losing quality?
Converting SWF to FLV maintains high quality with CocoConvert's optimised encoder settings.
Do I need to install software to convert SWF to FLV?
No. CocoConvert runs entirely in your browser — no downloads, no plugins. It works on macOS, Windows, Linux, iOS, and Android.
How many SWF files can I convert at once?
Free users can convert up to 5 files per hour. Pro subscribers get 100 files per hour with larger size limits (5 GB per file). Business API users can integrate batch conversion directly into their tools.
Is there an API for SWF to FLV conversion?
Yes. CocoConvert offers a Business API for automated conversions. It supports all the same format pairs available in the web interface, including SWF to FLV.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.