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Flash Optimizer for Mac is a powerful, feature-rich SWF compression utility. It easily reduces SWF files size up to 80% thanks to amazing algorithms of vectors, shapes, morphing, Z-buffer, fonts, and other optimizations, thus saving considerable amount of traffic and loading time. Unlike any other similar software it manages to optimize not only a separate part of your Flash movie, but the whole SWF, including curves, zero-objects, ZLib optimization and a whole lot more advanced techniques. More than 50 separate compression options, both predefined and customizable, give you full control over the optimization process, more...

What's New

  • Added: OS X 10.8 support
  • Improvements for compatibility with OS X 10.7.4


OS X 10.4 or later

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Flash Optimizer User Discussion

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FosterFox Member IconReview+0

Great piece of software! why didn't i found it earlier? i wish i had less troubles with flash artworks on my site. Comprersses .swf files hands down. Totally recommend.

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Silentw Member IconReview+1

I'm a web designer/developer and have used Flash Optimizer many times to reduce the file size of SWF's to get them where I need to be. Sometimes i only have bitmap images to work with or have complex vector graphics to build animations for banner ads. I can usually get the size down utilizing other tricks. But, then sometimes, I need to squeak out another 2, 10 or even 20K out of a file size to get it to meet banner requirements for placement. Sometimes that small banner size limit is harsh! Flash optimizer does the trick. While there is usually some play to manage how the file is reduced, you can tweak many different aspects to manage what part of the SWF is affected. While it's not something everybody will use, if you work in an agency or on your own to produce SWF banner ads that have to meet a tiny file size requirement to be placed, Flash Optimizer will do the trick.

The biggest con about the ap is it may take a bit of practice to understand what settings to tweak to get the file to reduce the parts you don't mind and maintain the parts you do. Even then, it has come in quite handy to have in my toolbox of applications.

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RT Ideas Member IconReview+3
RT Ideas

I tried the demo and hoped for better results out of the gate. It had minimal effect size-wise on a 9MB file--9.07MB down to 9.02MB-- a 0.5% reduction. Invisible buttons (with Glow filter) became black objects obscuring the graphics below. Text that was converted to outlines became blobby.

Trying some settings changes, I was able to drop the 9MB file down to 4.6MB, but that seemed mostly due to sound compression. It still had the graphic anomalies above.

I can tweak sound externally for similar results.

According to their site, the $99 version is for personal use only. To use it commercially, you need to purchase the $299 version--actually worth it to me if it worked out of the box and significantly reduced my bandwidth for my larger projects and less time having to tweak my work.

I see potential, but no use for me at this time.

I started programming with 3.5k of usable memory on my VIC-20. The MU logo on this page is 4.8k. Optimization is always in my thoughts.

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mac-hamster Member IconComment+0

Flash Optimizer is one of my favorites. Well, I get mishaps sometimes with it, but having tuned the settings a little, I always get pretty good results.

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Al_Giovanni Member IconComment+0

I think there's a serious issue here. Far from "optimizing" my SWF, it actually *increased* the file size by almost 40%.

See for yourself:

No offense, but this isn't much incentive to shell out $100! Flash Optimizer seemed to be the only app on MU that offered SWF compression, so I was optimistic.

So what's up here, Eltima?

Reply1 reply
Version 1.0
Eltima Software Gmbh (developer)

Judging from your SWF file we may guess that you have enabled Pictures optimization and customized JPEG quality option. You have set optimization quality that is actually higher that one in your original file. As the result, optimized SWF file is larger then the original one. The mentioned slider sets the percentage out of the maximum available and there is no possibility to find out what the current image compression value is set. We advise you to try different options and see how overall SWF quality is changed. If you have more questions, contact Eltima support team which is a good starting point to get professional help when you encounter any problems.

Anonymous Member IconReview

So how does this compare with what Macromedia (now Adobe) offers? Is the input a .swf or .fla file?

Reply1 reply
Version 1.0
Eltima Software (developer)

Unlike Flash Optimizer, Macromedia only offers Zlib compression, some image, sound and video control. With Flash Optimizer you can also compress each and every element of SWF file (the input file) - vectors, shapes, morphing, fonts, curves, etc - with a total of over 50 customizable compression parameters provided. By triggering these, or sometimes even by using default settings, you'll get the possible compression range. Of course, several interface layouts, preview feature, SWF info button - to make it convenient and native on a designer's desktop. Here's a recent review (in german) http://screen-online.de/blog/archives/000087.php#87 where they reduced SWF size from 10Mb to 2,5Mb in their internal test, so using Flash Optimizer will make a significant difference to SWF compression, indeed.

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Current Version (2.x)


Downloads 13,468
Version Downloads 176
License Shareware
Date 11 Jul 2012
Platform OS X / PPC 32 / Intel 32
Price $99.95
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