Last updated on 2012-11-06, by Dupont

How to Compress SWF Files to Reduce Load Time on Mac

Believe it or not, long web page load time will kill your website. There are many reasons that may cause your website to be slow, like incorporate html code, scripts, web server, your location, etc. But the most likely reason is your web page content. Google has suggested us to use smaller image size to speed up the web page. In fact, SWF content has even greater negative affect on the load time, because lots of websites like to use Flash banners, Flash ads, Flash games, etc. which are all in SWF format.

SWF file is much smaller than common video format like MP4, AVI, WMV or FLV, but much bigger than picture and plain text on the web page. So in the guide below we will show you how to compress SWF files to reduce load time using Leawo SWF Compressor for Mac, which helps you to compress your SWF files with high quality, reduce SWF file size up to 70% depending on the file properties.

Full Guide

Import SWF files.

Run the program, click “Add” button or drag and drop the SWF files into the Flash SWF optimizer.

Select compression setting for SWF files.

For your convenience Leawo SWF Compressor for Mac provides selection of predefined optimization settings: Best, Good, Basic, Medium, Sprite and Custom. Just select one of them and you are ready to start optimizing.

Advanced SWF compression settings.

If you want, you can customize every SWF parameter setting, just press the “Show More Options” button and you will be able to choose more profound settings up to your needs. Detailed SWF parameters are separated into 5 groups: image, shape, video, audio and font. You may get to know the meaning of each parameter in the user guide of SWF Compressor for Mac.

Compress SWF files.

After all settings are applied, press “Compress” button to start SWF compression process.

1. This program supports batch processing so you can import multiple SWF files and compress them all with one click.

2. Like any other compression, it is inevitablet that the output compressed SWF files will have quality loss. So compress SWF files only when it is really necessary.