MP4 to SWF Converters: Convert MP4 to SWF Online and Offline

Author: Michelle
Publish date
Mar 12, 2024
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  • 1. Download Download the software and launch the converter.
  • 2. Add MP4 files to the program.
  • 3. Select SWF as the output format.
  • 4. Start conversion.
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Online MP4 to SWF Converters
Offline MP4 to SWF Converter

MP4 to SWF conversion is very easy, especially using an online converter tool. However, if you want to convert large video files that cannot be imported into a website, then a video converter software will be better.

Below, we will provide 5 tools to help you convert MP4 to SWF online and offline. Let’s take a closer look.

Online MP4 to SWF Converters



VEED.IO is a user-friendly online video editing tool that comes with a free video converter. This converter can swiftly convert MP4 files to other formats, such as SWF. The best part is that no signup is required, and the platform can handle large video files up to 1GB with ease.

Step 1: Open in your browser and click “Choose MP4 File”.

Step 2: Click “Upload a File” to browse and select the MP4 file you want to convert.

Step 3: Once the MP4 file is uploaded, a “Convert Your Video” box will appear on the right side. Click “Advanced Settings” to adjust the video parameters if needed.

Step 4: Click “Convert” and wait for the conversion to complete.

Step 5: Click “Download file” to save the converted file to your device.

2. Aconvert


Aconvert offers another free solution to convert video files online. It supports both online and local videos as long as they are not larger than 200MB. It also supports a wide range of output formats, such MP4, AVI, FLV, SWF, MPG, MOV, and more. Converting MP4 to SWF with Aconvert is a straightforward process. Yet, it also provides advanced options to let you customize the output settings, such as bitrate, frame rate, size, volume, etc.

Step 1: Visit

Step 2: Click “Choose Files” and select the MP4 file to upload. You can also import MP4 from an URL.

Step 3: Ensure the target format is “SWF”. If needed, click the “Options” box and change the video size, bitrate or frame rate.

Step 4: Click “Convert Now” to let Aconvert convert your file.

Step 5: Click the download button to download the SWF file.

3. Convertio


To convert a small video file online, Convertio is your go-to option. This web-based service enables you to convert an MP4 file that is smaller than 100MB. You can also import multiple files, as long as their total size does not exceed this limit. Convertio supports all mainstream video outputs, including SWF, and it guarantees fast speed and high-quality output.

Step 1: Go to

Step 2: Click “Choose Files” and upload MP4 file from your device. It also supports importing file from Dropbox and Google Drive.

Step 3: Click “Settings” (gear icon) and modify the output settings. This step is optional.

Step 4: Click “Convert” to start the conversion process.

Step 5: When the conversion is over, download the converted file.

4. Onlineconvertfree


Onlineconvertfree, as the name implies, will convert your video files online for free. It features a dedicated MP4 to SWF converter similar to Convertio, and it will convert multiple MP4 files to MP4. However, it only accepts file size up to 100MB. But you don’t need registration or payment to use the service.

Step 1: Open

Step 2: Click “CHOOSE FILE” to upload MP4 or drag the file directly onto the website.

Step 3: Click “Convert” and wait for the conversion to be processed.

Step 4: Download the converted file.

Offline MP4 to SWF Converter

5. WonderFox HD Video Converter Factory Pro

When an online website can’t handle your MP4 file because it is too big, an offline converter software will come in handy.

WonderFox HD Video Converter Factory Pro is a professional yet easy-to-use video converter program that can convert videos of any size and format on Windows. Additionally, it supports exporting videos to various popular profiles such as MP4, MOV, SWF, FLV, WebM, 3GP, and M4V with fast speed and batch conversion capability. Compared to other programs, it also has higher output quality. Let’s see how to use this software to convert an MP4 to an SWF video.

Step 1: Download and install Download and install the software on your PC.

Step 2: Run the software and open “Converter”. Next, click “Add Files” to add MP4 files to the conversion list.

Step 3: Expand the format page on the right and click “Web”, select “SWF” as the output format.

Step 4: (Optional) Click “Parameter settings” and change the video codec, resolution, bitrate, frame rate, volume, etc. as you see fit.

Step 5: Click the bottom triangle button to set the output folder and press “Run” to start the conversion at once.

Convert MP4 to SWF Offline
Convert MP4 to SWF Offline
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