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Script Debugger provides everything you need to quickly and easily author AppleScripts that work. No other scripting tool can match Script Debugger's capabilities for creating, editing and debugging AppleScripts. Its sophisticated Dictionary browser provides far more information than any other tool can and eliminates guesswork and needless experimentation. Simply put, Script Debugger makes AppleScript easy.

What's New

Version 5.0.9:
  • 18149 Corrected a problem with the 'considering' and 'ignoring' templates inserted through command completion.
  • 18121 Resolved a problem with external debugging where debugging sessions did not end correctly if the script document was not already open in Script Debugger when the debugging session began.
  • 18129 Resolved a problem where breakpoints are not properly more...


OS X 10.6 or later

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Script Debugger User Discussion

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Ken420 Member IconComment+14

Version 5.0.7 is available from the developer's website.

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Version 5.0.6
Carlos-Sz Member IconReview+34

I started to play around with Alfred 2 and AppleScripts. The OSX Editor is OK but it is outdated.

Then I found Script Debugger. The price is not attractive but the 20 days trial was a nice deal.

After using it for two days, in several scripts, I bought it.

There are a lot of good things about it but the tabbed interface, the timer (so you can easily check which procedure is faster), the bookmark (adding —>> at the beginning of a comment), the ways results are displayed (even for every variable) and the interactive dictionary are great and very useful features that I can’t live without anymore.

If you spend some time writing scripts give this application a try, a 20 days trial, and maybe you will find the fresh air AppleSctipt Editor is missing for so long...

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Version 5.0.5
Bunam Member IconComment+5

download link is for 5.0.1

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Version 5.0.2
Ccstone Member IconReview+13

Truly a must-have tool for Applescript Professionals and for serious hobbyists.

I was not delighted with the oddball nature of Applescript when it debuted in 1993 or with the amateurish tools available for working with it. Fortunately Script Debugger v1.0 came out in 1995, I bought a copy, and I've been happily upgrading for 17 years now.

Script Debugger makes discovering how scriptable applications work not just possible but relatively easy with its searchable dictionary, object-model, and explorer-view. Its library attachment mechanism makes reusing code very simple and streamlined. Version 5 now supports regular-expression-based search/replace and has many other enhancements.

As usual I'm really pleased with the upgrade.

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Version 5.0.2
Stormchild Member IconComment+385

Brilliant tool. Wish I could use it, but it's simply way too expensive. If you aren't actually making money from writing AppleScripts (or rolling in dough), the price just makes this app unfeasible.

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Version 4.5.7
Uranium Willy Member IconReview+2
Uranium Willy

I have out of purchasing the app for a long time, put due to the price I always backdown at the last moment, but I eventually decided that it is a pretty featured app for a small market and the amount of time and grief it will save me is worth it, especially now that I spend a lot more time to write AppleSript for motor own use, if you are a profession AppleSctipt developer you would be crazy not to purchase ScriptDugger.

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Version 4.5.7
Irradiated-Software Member IconReview+79

Amazing app. I couldn't imagine doing AppleScript without it.

The single best feature for me is the ability to "Explore" applications instead of having to decipher the dictionary yourself. Once you find the AppleScript classes and properties you want, just drag those to the editor and get a correctly nested/referenced call. Cuts development time to a fraction. For me, this feature alone is worth the price of the app.

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Version 4.5.4
Lee123 Member IconComment+211

This is a really nice piece of software. It is what should be shipped with applescript on the mac. If you need or use applescript then you should get this.

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Version 4.5.3

yeah that would be a good way to double the price of os x :(

Surely I can't afford this very nice piece of software, but...
if your'e deep into AppleScript this is a nice way to go.

For the others: use the built-in AppleScript-Editor. You should enable some stuff in the preferences (Assistent,... ) and also try CONTROL-CLICKing in a source-window.


Tool Force Software Member IconComment+36
Tool Force Software

Great piece of software. Code line ending using a semicolon would be really great in AppleScript.
I am switching between Objective-C and AppleScript and I am often making such a mistake…
display dialog "Test";

Good luck!

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Version 4.0.8
Simon Wolf Member IconReview+9
Simon Wolf

As a new-comer to AppleScript I was struggling to both understand Dictionaries and also to debug my code using the good, but somewhat limited, Apple Script Editor. Althought as a hobbyist I was somewhat put off by the relatively high price I downloaded ScriptDebugger and instantly fell in love. This is a fantastically powerful development environment which makes understanding applications' dictionaries much easier and provides extremely powerful debugging tools. As a birthday present to myself I bought a copy and I am delighted and know that the price of the application will be recouped many times over by the time Script Debugger will save me whilst writing scripts.

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Version 4.0.5
user icon+0
Version 5.0.9
user icon+18
Version 5.0.7
user icon+0
Version 5.0.6
user icon+18
Version 5.0.4
> 5 11


Current Version (5.x)


Downloads 19,733
Version Downloads 382
License Demo
Date 04 May 2014
Platform Intel 64 / OS X / Intel 32
Price $199.00
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