.sparta – An AIR MXI Editor

Wednesday, October 8th, 2008 | Projects | Gabriel Mariani

Version 2.1.0, Updated March 11, 2014
  • Compatibility: AIR 3.1 and later (ActionScript 3.0)
  • File Size: About 980Kb
  • Change Log

Download Now (2.1.0)

Please upgrade your Flash Player This is the content that would be shown if the user does not have Flash Player 9.0.115 or higher installed.

What’s New

  • Updated to Adobe AIR 3.1
  • Updated to Flex 4.6


.sparta is an Adobe AIR based utility. It allows you to edit .mxi files and create new ones. It currently supports the majority of the MXI specification with the goal of supporting all of it.

I made this program because I was tired of all the half-assed MXI editing programs that were built with Flash MX 2004 and some random swf to exe program. I also tended to forget what options I had when creating an MXI for my own components. So I created .sparta, it has a (hopefully) intuitive interface and shows ALL the options MXI can support.


  • Scalable UI
  • Drag-n-Drop support
  • Create MXI files
  • Edit MXI files
  • Auto-update capability
  • Tool-Tips describing every feature
  • Create mxi files for Fireworks, Dreamweaver and Flash

Default UI

Default UI

Open File - Extension Section

Open File - Extension Section

Open File - Products Section

Open File - Products Section

Open File - Files Section

Open File - Files Section


  • Open .sparta
  • Go to File->Open
  • Navigate to your file and select open
  • Edit and make any changes you may have
  • Go to File->Save
  • It’s THAT easy… =p

Alternate Downloads

.sparta has recently been added to Softpedia.

Change Log

.sparta 2.1.0 for Adobe AIR 3.1 (March 11, 2014)

  • Updated to Adobe AIR 3.1
  • Updated to Flex 4.6

.sparta 2.0.2 for Adobe AIR 1.5 (February 21, 2011)

  • Fixed product drag error
  • Fixed new file save error

.sparta 2.0.1 for Adobe AIR 1.5 (June 11, 2010)

  • Fixed ActionScript error

.sparta 2.0.0 for Adobe AIR 1.5 (May 11, 2010)

  • Added support for CS4
  • Added support for CS5
  • Fleshed out ENTIRE MXI spec…whew
  • Added full Dreamweaver support (as much as is feasible)
  • Updated UI to match .merlin, .minerva, .whistler
  • Added form validation
  • Fixed drag-n-drop support
  • File title is now displayed in the window title
  • Added donate button to About window

.sparta 1.0.5 for Adobe AIR 1.0 (August 3, 2008)

  • Updated program name

.sparta 1.0.4 for Adobe AIR 1.0 (July 21, 2008)

  • Added Drag-n-Drop support
  • Can select and edit files in the Files section
  • Fixed sequenced file openings

.sparta 1.0.3 for Adobe AIR 1.0 (July 18, 2008)

  • Fixed visibility of main app

.sparta 1.0.2 for Adobe AIR 1.0 (July 18, 2008)

  • Added icon
  • Smoothed icons

.sparta 1.0.1 for Adobe AIR 1.0 (July 18, 2008)

  • Fixed targeting primary application
  • Fixed closing file tags
  • Fixed how file source/name is determined
  • Fixed opening a file after having one still open
  • Added New and Open button to UI

.sparta 1.0 for Adobe AIR 1.0 (?, 2008)

  • Initial Release

Need Help?

Feel free to e-mail me a question. When you e-mail your question, please include pictures (if applicable) that clearly demonstrates the problem and provide a brief explanation.

Author: Gabriel Mariani, (e-mail: gabriel -at- coursevector.com)
Copyright 2010, CourseVector (This work is subject to the terms here.)

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12 Comments to .sparta – An AIR MXI Editor

October 8, 2009

great work – do you think you will every put in functionality for creativng Photoshop MXI files?

October 9, 2009

I believe it should support Photoshop MXI files. Am I missing anything in particular? I used the MXI file format reference as a guide so it shouldn’t be specific to any one product.

October 29, 2009

it dosent have Flash CS4 listed… i manually added it in the mxi… where’s the path to the actionscript panel… i cant find it in the TYPE combo bow tokens

October 29, 2009

You’re right. I probably should update this for CS4. I’ll get on this when I finish my updates to Flashbug. So many projects, so little time.

May 20, 2010

I’m trying to figure out where EXACTLY the Flash installation token points to. I mean it could point to the Programs/Adobe/Flash CSX/ directory or Users/userx/AppData/Local/Adobe/FlashCSX/ or it could point directly to the user’s configuration folder Users/userx/AppData/Local/Adobe/FlashCSX/langx/Configuration/.

Adobe sure don’t make this really intutive at all. Any ideas?


May 20, 2010

Never mind. I found my answer here: http://blog.flashgen.com/components/distribution/distribution-via-mxp/

You’d think this kind of stuff would be available directly through your product documentation.

May 20, 2010

I’ll consider adding that to .sparta, thanks! By the way, the official documentation doesn’t even specify what those tokens resolve to so I didn’t add them in.

[...] .sparta 2 Released! Tuesday, May 11th, 2010 | Blog [...]

January 30, 2011

Nice tool, unfortunatly when i try to save mxi file nothing append, i filled all required fields and no errors are displayed. Maybe i missed something?

February 6, 2011

Version of AIR, platform, and version of sprta you’re using? Kinda odd it’s been out since June and no one has mentioned that. Maybe it’s a recent update to AIR. Let me know

February 6, 2011

I’m using windows seven 64 last version of air and sparta, i found a workaround by creating empty mxi file, it seems sparta cannot create file but can modify it.
I found another problem, i’m actually creating an mxp for flash (CS3, CS4, CS5) so i add these 3 products with the appropriate tab, the problem is that installation of mxp work only with CS3, CS4 and CS5 tell product is not installed.
In mxi file :

You have to remove CS extension and it works fine :

Hope these help.

February 7, 2011

ooh lame.. i’ll get that fixed when i get some time. thanks for pointiing that out!