Convert MP4 to SWF Online — Free
Fast, free MP4 to SWF converter. No registration required.
Drop files here or click to browse
Supports: MP4 files
Max: 100MB (free) · 2GB (Pro)
Secure Transfer
HTTPS encrypted uploads
Privacy First
Files auto-deleted after processing
No Registration
Start converting instantly
Works Everywhere
Any browser, any device
How to Convert
Upload your .mp4 file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .swf file when it's ready.
What is MP4?
MP4 is the most widely used video container format. It stores video, audio, subtitles, and metadata. Compatible with virtually every device and platform, from smartphones to smart TVs.
Format Details
- Full Name
- MPEG-4 Part 14
- Extension
- .mp4
Key Features
- Universal compatibility
- Streaming support
- Small file sizes
- Hardware-accelerated playback
What is SWF?
SWF is a file format for Flash multimedia. While Flash is deprecated, many legacy animations and videos still use this format.
Format Details
- Full Name
- Shockwave Flash
- Extension
- .swf
Key Features
- Flash format
- Vector graphics
- Interactive content
- Legacy format
MP4 vs SWF
| Feature | MP4 | SWF |
|---|---|---|
| Full Name | MPEG-4 Part 14 | Shockwave Flash |
| Extension | .mp4 | .swf |
| Best For | Universal compatibility | Flash format |