Now a days spam attackers increase day by day they are attack on your website with putting spammy links. they are put this spamming link via comment on your blog/website, via login form, registration form and many different way they are spam your wordpress site. wordpress captcha plugin help to stop spam attack and unwanted users your wordpress website.
The captcha plugins are allow you to implement a super security captcha into your website forms like login form, registration form, password recovery form, comment form and any other form which you are using for website and protect against spam. here I put 6 different WordPress captcha plugins list with its features and cons.

I put this plugin first because this captcha plugin is provide All in one captcha solution in one plugin, one of the best and most downloaded captcha plugin, Allow to added CAPTCHA Anti spam methods to WordPress forms, Comments, registration, lost passwor, login and any form you want.
Features of this plugin:
- Allows to add captcha in all forms like registration, login, comments and any forms.
- Allow trackback and pingback
- Valid w3c HTML Code
- Easy to config via Admin panel
- Allow to hide captcha for login users
- Compatible with multiple wordpress site and buddypress.
- Akismet support.
Another best and simple captcha plugin the speciality of this plugin is it’s use mathematics puzzles like add, subtract, and multiply method instead of eye complex picture captcha method, so it can easily understood by every human beings and saves your time to attempt annoying complex captcha code.
Features of this plugin :
- Supports more than 20+ languages
- Allow to add label to display captcha in form
- Compatible with buddypress form
- Easy to configuration
- Allow to display number or letter or combination of both
- display good arithmetic function on forms.
Cons of this plugin
- plugin only supports in registraion, comment, login and password recovery form.
- For Buddypress support you have to upgrade plugin to pro which cost $9.
- To change language you have to manually put code in your wordpress theme.
wp reCaptcha plugin originated from
reCaptcha plugin by google. google use this captcha method to prevent spams both attack this plugin use
OCR method read the character of captcha. thats why reCaptcha is most widely used plugin in world include major sites like facebook and
twitter.
After huge popularity blaenk made this plugin into wordpress.This plugin is use very complex captcha code with complex character matching. you can use this plugin to registration form, login form and comment form major advantage of this plugin allows to Mailhide option which protect your mail spam.
Features of this plugin
- Use Strong anti-spam captcha method
- Allow in registration, login and comment form.
- Compatible with wordpress multisite
- Allow audio captcha option
- MailHide function which helps to protect webmail against spam
Cons of this plugin
- complex word combination makes trouble to read.
- Plugin service provide by google so user must have gmail account.
Download WP reCaptcha plugin :
here
- SWEET CAPTCHA REVOLUTIONARY PLUGIN
Sweet captcha revolutionary plugin is work as it’s name, this plugin revolute in captcha method which use cute and interactive images instead of regular boring and difficult input text method and Allows to design your own captcha design.
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Sweet captcha revolutionary plugin |