Initializing... drag & drop files here
Supports: SWF
The video codec defaults to H.264 and the audio codec defaults to AAC for F4V output. Both can be changed under Advanced settings.
SWF (Shockwave Flash) is Adobe's animation format containing vector graphics, ActionScript, and multimedia. Since Flash Player was discontinued in 2020, SWF files cannot play in web browsers. F4V is Adobe's newer Flash Video container that uses H.264 video — a standard codec supported by VLC, media players, and video editors without Flash Player. Converting SWF to F4V preserves Flash content in a more accessible video format while staying within the Adobe Flash ecosystem.
| Feature | SWF (Flash animation) | F4V (output) |
|---|---|---|
| Developer | Adobe (Macromedia) | Adobe |
| Content | Vector animation + ActionScript | H.264 video stream |
| Interactive elements | ✅ | ❌ (video only) |
| Flash Player required | ✅ (discontinued) | ❌ (standard H.264) |
| VLC playback | Limited | ✅ |
| Video editor support | ❌ | ✅ |
| Browser playback (2026) | ❌ (blocked) | ❌ (Flash container) |
SWF (Shockwave Flash / Small Web Format) is Adobe's format for multimedia, vector graphics, and ActionScript. It was the dominant web animation format from the late 1990s until Flash Player's discontinuation in December 2020.
F4V is Adobe's Flash Video container that uses H.264 video (unlike older FLV which used VP6 or Sorenson Spark). It was introduced with Flash Player 9 and offers better compression than FLV.
No. SWF can contain interactive ActionScript, buttons, and forms. Converting to F4V captures only the visual animation as a linear video stream. Interactive elements are lost.
Yes. Use the Trim option to set a start time and duration. Only the selected segment is converted.
For modern use, SWF to MP4 is generally better since MP4 has universal support. F4V is useful when you need to stay within the Adobe Flash ecosystem or when your workflow specifically requires F4V input.