The Captcha plugin allows you to implement a super security captcha form into web forms. It protects your website from spam by means of math logic, easily understood by human beings. You will not have to spend your precious time on annoying attempts to understand hard-to-read words, combinations of letters or pictures that make your eyes pop up. All you need is to do one of the three basic maths actions - add, subtract and multiply. This captcha can be used for login, registration, password recovery, comments forms. There is also a premium version of the plugin, allowing compatibility with BuddyPress (Registration form, Comments form, "Create a Group" form) and Contact Form 7.
Video instruction on Installation
Upgrade to Pro Version


* Display: You can use letters and numbers in captcha or just one of these two things - either letters or numbers.

* Actions: The basic math actions are used - add, subtract, multiply.

* Label: You can add a label to display captcha in the form.

Recommended Plugins

The author of the Captcha also recommends the following plugins:

* Updater - This plugin updates WordPress core and the plugins to the recent versions. You can also use the auto mode or manual mode for updating and set email notifications.

There is also a premium version of the plugin Updater Pro with more useful features available. It can make backup of all your files and database before updating. Also it can forbid some plugins or WordPress Core update.


* Arabic (ar_AR) (thanks to Albayan Design Hani Aladoli)

* Bangla (bn_BD) (thanks to SM Mehdi Akram,

* Brazilian Portuguese (pt_BR) (thanks to Breno Jacinto,

* Bulgarian (bg_BG) (thanks to Nick)

* Catalan (ca) (thanks to Psiete)

* Chinese (zh_CN) (thanks to Billy Jeans)

* Taiwan (zh_TW) (thanks to Henry H)

* Croatian (hr) (thanks to Daniel)

* Czech (cs_CZ) (thanks to Tomas Vesely, Crysman)

* Danish (da_DK) (thanks to Byrial Ole Jensed)

* Dutch (nl_NL) (thanks to Bart Duineveld)

* Estonian (et) (thanks to Ahto Tanner)

* Greek (el) (thanks to Aris,

* Farsi/Persian (fa_IR) (thanks to Meysam Parvizi,

* Finnish (fi) (thanks to Mikko Sederholm)

* French (fr_FR) (thanks to Martel Benjamin, Capronnier luc)

* German (de_DE) (thanks to Thomas Hartung, Lothar Schiborr)

* Hebrew (he_IL) (thanks to Sagive SEO)

* Hindi (hi_IN) (thanks to Outshine Solutions,

* Hungarian (hu_HU) (thanks to Bőm Tamás)

* Japanese (ja) (thanks to Foken)

* Indonesian (id_ID) (thanks to Nasrulhaq Muiz,

* Italian (it_IT) (thanks to Gianluca Di Carlo, Marco)

* Latvian (lv) (thanks to Juris O)

* Lithuanian (lt_LT) (thanks to Arnas)

* Norwegian (nb_NO) (thanks to Tore Hjartland)

* Polish (pl_PL) (thanks to Krzysztof Opuchlik)

* Romanian (ro_RO) (thanks to Ciprian)

* Russian (ru_RU)

* Serbian (sr_RS) (thanks to Radovan Georgijevic)

* Slovak (sk_SK) (thanks to Branco Radenovich)

* Slovenian (sl_SI) (thanks to Uroš Klopčič,

* Spain (es_ES) (thanks to Iván García Cubero)

* Swedish (sv_SE) (thanks to Christer Rönningborg, Blittan)

* Tagalog (tl) (thanks to Roozbeh Jalali,

* Turkish (tr_TR) (thanks to Can Atasever,

* Ukrainian (uk)

* Vietnamese (vi_VN) (thanks to NDT Solutions)

If you would like to create your own language pack or update the existing one, you can send the text of PO and MO files for BestWebSoft and we'll add it to the plugin. You can download the latest version of the program for work with PO and MO files Poedit.

Technical support

Dear users, our plugins are available for free download. If you have any questions or recommendations regarding the functionality of our plugins (existing options, new options, current issues), please feel free to contact us. Please note that we accept requests in English only. All messages in another languages won't be accepted. If you notice any bugs in the plugins, you can notify us about it and we'll investigate and fix the issue then. Your request should contain URL of the website, issues description and WordPress admin panel credentials. Moreover we can customize the plugin according to your requirements. It's a paid service (as a rule it costs $40, but the price can vary depending on the amount of the necessary changes and their complexity). Please note that we could also include this or that feature (developed for you) in the next release and share with the other users then. We can fix some things for free for the users who provide translation of our plugin into their native language (this should be a new translation of a certain plugin, you can check available translations on the official plugin page).

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  1. Kassem said:
    Your comment is awaiting moderation.

    Hi.. I love love the simplicity of captcha but I have one question. How can I make custom error pages if the user enters the wrong captcha in the comment form. Or maybe is it possible I can check the captcha using ajax?

  2. Marcel Mulder said:

    Can you please remove the go pro spam on top of my admin panel.

    • Hi Marcel,

      1) The Go pro banner is not displayed on the whole admin panel, but only on the plugins page.
      2) In order to hide it, you should click on the cross in the corner of the banner.


  3. after someone fills out the contact form, can I make a separate thank you page which I can then track ? Or is there a way I can track the number of users using this form ? Thank yoU!

    • Hi Jenny,

      If you are using our Contact Form plugin – yes, you can specify a page for redirect after submitting the form. As for tracking – you can set up tracking the number of users on your Thank you page via the analytic program and extension (for example, Google Analytics).


  4. Hi,

    After setting up the CAPTCHA, feature, I get these errors on top of my site pages.

    Warning: Missing argument 2 for bang_fs_filter_process_sticky_args() in /home/cebupijg/public_html/wp-content/plugins/bang-faceted-search/functions/search.php on line 232

    Warning: Missing argument 3 for bang_fs_filter_process_sticky_args() in /home/cebupijg/public_html/wp-content/plugins/bang-faceted-search/functions/search.php on line 232

    Warning: Invalid argument supplied for foreach() in /home/cebupijg/public_html/wp-content/plugins/bang-faceted-search/functions/init.php on line 129

    Please help.

    Thank you and regards,


    • Hi Jerome,

      Judging by the code of the error, the problem occurs not in the Captcha plugin, but in another installed plugin bang-faceted-search. It is not our product and we are not authorized to provide support services concerning this plugin.