Home  |   Screens  |   Download  |   Buy  |   FAQ  |   Help  |   Contact us    

Auction Defender Free Download

Thank you for your interest in downloading Auction Defender, the ultimate eBay auction tracking, bidding, and sniping software.

To download Auction Defender, simply click the link below to save the setup file to your computer. After downloading, run the setup file to install the software. You can use Auction Defender 3 in limited mode completely FREE ! (running it without a license limits you to 2 snipes per week & 100 auctions). The full functionality of the program can be easily unlocked by purchasing a license from our website. Alternatively, you can download the freeware version, feature comparison is available -here-.


Auction Defender Auction Defender 3 - the newest complete version of Auction Defender! It includes both the pro version, and a completely FREE limited mode (100 auctions & 2 snipes per week) for non-registered/expired users.

You will need to register a username/password on our website to take advantage of the full functionality of the software.
Documentation for setup, using and uninstalling the software is available -here-. Downloading and using the Auction Defender Software implies consent to the AD Software End User License Agrement, incorporated here by reference.
As always, we appreciate any feedback, bug reports and suggestions..
File size 1.68 Mb (1723 Kb)
Last updated 2017.03.13
MD5-checksum 849765ca515e79cf5a23b3b0516b0bf9
Operating Systems Works with Windows XP/ME/9x/2000/2003/Vista/7/8/10 (x86 and x64)
Revision history revisions
Optional downloads AD Chrome extension
AD Firefox extension
AD3 Firefox legacy extension (older versions of Firefox) (0.02 Mb, 2014.09.25)


The latest version is always available from our website:

Alternate download mirror location for AD3 from CNET:

Get it from CNET Download.com!


AD Free AD Free - a completely free basic sniping program for casual eBay users, with easy to understand interface that is lmited to a single pending snipe, and monitoring up to 10 auctions. A comparison of the AD versions is available here: Compare Vesions
File size 1.48 Mb (1548 Kb)
Last updated 2016.12.01


AD 2 legacy Auction Defender 2 is now considered our legacy EOL(Enf of Life) product, and is no longer available for download.
Optional download AD2 Browser Extensions (0.46 Mb, 2012.02.01) - this only installs/updates the AD2 Internet Explorer and Firefox Browser Extensions. It is already included in the full release.


To use the full functionality of the program, you can register and purchase a license here: Auction Defender Registration
To transfer your existing 2.x license, simply use your registered email address when signing up for an account.

Please feel free to with any questions, comments, or suggestions about improving the program.