12 Best Captcha Extensions for Joomla – Free and Paid

19 April 2016, 10:38 am Written by 
Published in Blog
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1. Anti-Spam by CleanTalk

Introduction

Max power, all-in-one, premium anti-spam plugin. No comment spam, no registration spam, no contact spam, protects any Joomla forms. Just install and forget. No CAPTCHA, no questions, no counting animals, no puzzles, no math and no spam bots. Invisible antispam without CAPTCHA, questions, puzzles, counting animals, math and etc. Anti Spam features Stops spam comments. Stops spam registrations. Stops spam contact emails. Stops spam orders. Stops spam bookings. Stops spam subscriptions. Stops spam in widgets. Spam protection

• Stops spam bots at VirtueMart.

• Stops spam bots at JComments 2.3, 3.0, K2.

• Stops spam bots contact emails on Joomla feedback from, Rapid Contact, VTEM Contact, Sobipro, RS Form, Breezing forms, Easybook Reloaded.

• Spam protection for any Joomla forms (with enabled anti-spam option 'Enable anti spam test for any contact forms').

Cloud anti-spam for Joomla. CAPTCHA less, no spam comments, no spam registrations, no spam contact emails Spam is one of the most irritating factors. Spam become every year more and conventional anti-spam can no longer handle all the spam bots. CleanTalk prevents spam and automatically blocks it. You'll be surprised of effective protection against spam. Anti-spam plugin info CleanTalk is an anti-spam protection 4 in 1 for Joomla that protects login, comments, contact and VirtueMart forms all at once. You don't need to install separate anti-spam plugins for each form. This allows your web site to work faster and save resources. After installation you will forget about spam, CleanTalk plugin will do all the work. You won't have to deal with spam, CleanTalk will do this for you automatically CleanTalk is a transparent anti-spam protection, we provide detailed statistics of all entering comments and logins. You can always be sure that there are no errors. We have developed a mobile app for you to see anti-spam statistics wherever. We have developed antispam for Joomla that would provide maximum protection from spam bots and you can provide for your visitors a simple and convenient form of comments/registrations without annoying CAPTCHAs and puzzles. Used to detect spam multistage test that allows us to block up to 99.998% of spam bots.

Free /Paid: Paid

Extension Link: JED Anti-Spam by CleanTalk

Demo link : Demo for Anti-Spam by CleanTalk

 

 

2. SecurImages Captcha Plugin

Introduction

This Captcha plugin works with any Joomla extension capable of using the Joomla core captcha plugin system. It uses the Securimage PHP CAPTCHA script for generating complex images and CAPTCHA codes (including math challenge) to protect forms from spam and abuse. It can be easily added into existing forms on your Joomla 2.5, 3.x or newer website to provide protection from Spam bots. It can run on almost all web-servers as long as you have PHP installed, and GD support within PHP. SecurImage does everything from generating the CAPTCHA images to validating the typed code. Audible codes can be streamed to the browser with Flash for the vision impaired.

Features:

  • Works with Joomla Registration and any other extensions that is compatible with Joomla captcha plugin system;
  • Works with Contact Enhanced, iRecommend,
  • Ajax Recommend and Ajax Contact;
  • Customizable code length, character sets, and Unicode support;
  • TTF font support.
  • You can choose the font you want to use; Very easy to customize colors;
  • Easily add background images;
  • Easily add signature to images;
  • Several security features such as image distortion, random lines, and noise;
  • Flash button to stream audible codes in WAV format;
  • Ability to use a word list;
  • Add a word list in your language to /plugins/captcha/securimage/lib/words/ Display alphanumeric captchas, or simple math problems;
  • Highly customizable!

 

Free /Paid: Paid

Extension Link: SecurImages Captcha Plugin at JED

Demo link : Demo for SecurImages Captcha Plugin

3. OSOLCaptcha

Introduction

Captcha for joomla core and custom forms.Inserts captcha in registration,contact,reset password, remind username forms on enabling this plugin.To add captcha in custom forms without changing any existing codes or admin settings, follow the steps mentioned below. Just have to follow 3 steps for core forms.

install the plugin. publish the plugin . Check the 5 forms(mentioned above).

OSOLCaptcha Version 2 and above developed for joomla 2.5 and 3 uses regexp and AJAX verification .if the captcha doesnt appear in any of the core forms, you need to edit osolCaptcha/coreForms.php and update the regexp for the particular form based on the template you are using.

Free /Paid: Free Download

Extension Link: OSOLCaptcha at JED

 

 

4. NO CAPTCHA reCAPTCHA!

Introduction

Bugged with the irritating CAPTCHAs? Say bye to them as Google has now introduced new NO CAPTCHA spam protection with advanced easy to use technology which is Tough on Bots and Easy on Humans.

When a CAPTCHA is solved with those human efforts helps digitize text, annotate images, and build machine learning datasets. This will help in preserving books, improve maps and solve all hard problem. So, this means NO CAPTCHA is not just for spam protection. Techjoomla has brought this new google’s technology for Joomla! Helping to make all the Joomla site making spam and abuse free!

The new system is based on Google’s new ‘Advanced Risk Analysis backend’ for NO CAPTCHA . This actively considers a user’s entire engagement with the CAPTCHA—before, during, and after—to determine whether that user is a human. Only in cases where the backend cannot verify if the user is a human for sure, a old style catcha will be shown as a fallback.

Free /Paid: Free

Extension Link: NO CAPTCHA reCAPTCHA at JED

 

 

5. CWD Easy Captcha

Introduction

CWD simple captcha works with Joomla and any other extensions that are compatible with Joomla captcha plugin system. CWD simple captcha It provides you to:

  • Change captcha image background color
  • Change captcha text color
  • Change difficulty lines color

Free /Paid: Free

Extension Link: CWD Easy Captcha at JED

Demo Link: Demo for CWD Easy Captcha

 

 

6. Aimy Captcha-Less Form Guard

Introduction

The system plugin uses well known anti-spam tests that do not require user action. This way you can protect your website from spam bots with methods that are better forwebsite usability and accessability than Captchas.

Aimy Captcha-Less Form Guard is easy to use and configure: Enable the plugin, configure your preferred methods and select Aimy Captcha-Less Form Guard in Joomla's global configuration dialog as default Captcha.

Free /Paid: Free

Extension Link: Aimy Captcha-Less Form Guard in JED

 

 

7. Captcha by Ideal

Introduction

Important: This plugin ONLY works with Contact Enhanced [1], Ajax Recommend [2] Ajax Contact [3] and iRecommend [4]. Multiple CAPTCHA Engine is a system plugin to produce and verify captcha images. With this new version, you will get 4 different captcha systems (libraries)

SecurImage PHP library (requires GD image Library), ReCAPTCHA (requires an API key from recaptcha.net); MathGuard, simple but effective. VouchSafe, a New Spam prevention approach. (only compatible with Contact Enhanced and iRecommend)

Free /Paid: Paid

Extension Link : Captcha by Ideal in JED

Demo Link: Demo for Captcha by Ideal

 

 

8. n3t Seznam Captcha

Introduction

Simple text CAPTCHA with optional audio form, spelled in Czech language. Additional protection by checking online spam databases.

This plugin wraps the seznam.cz Captcha API. Additional protection by checking online spam databases and blacklists could be activated in the configuration. Currently StopForumSpam, BotScout, SpamHaus, Sorbs, SpamCop and project HoneyPot are supported. There is also possibility to manually enter IP blacklist and/or whitelist. Since version 1.2.0, there is option to disable visual CAPTCHA control, and use just additional protection.

Free /Paid: Free

Extension Link: n3t Seznam Captcha in JED

 

 

9. JR Captcha

Introduction

Captcha for Joomla core and custom forms.Inserts captcha in registration,contact,reset password, remind username forms on enabling this plugin.To add captcha in custom forms without changing any existing codes or admin settings, follow the steps mentioned below. Just have to follow 3 steps for core forms.

1.install the plugin

2.publish the plugin

3.choose JRCaptcha on global configuration Integration with All Joomla Forms.

Free /Paid: Free

Extension: JR Captcha in JED

Demo Link: Demo for JR Captcha

 

 

10. KeyCAPTCHA

Introduction

KeyCAPTCHA - CAPTCHA with social features. You may support charity funds by using KeyCAPTCHA.

Unlike many other captchas, it does not require any text typing. Free Variants of Using KeyCAPTCHA:

1. Anti-spam protection. Social advertising. Monetization through commercial ads.

2. Anti-spam protection. Monetization through commercial ads.

3. Anti-spam protection. Social advertising.

4. Anti-spam protection without any ads.

Social features:

You may support charity funds by enabling social advertising in KeyCAPTCHA. Also you can earn money by specifying social and commercial advertising shares in KeyCAPTCHA on your website.

Free /Paid: Free

KeyCAPTCHA in JED

 

 

11. EasyCAPTCHA_efence

Introduction efence can do the following for you: Significant features   - Receive guaranteed attention to your in-house or external digital marketing contents

Spam protection by an innovative "Captcha" alternative

  • Places a customizable spam protection mechanism on your site - customize colors, shape, size and other attributes.
  • Audio aid for visually impaired   - Category based customizable challenge options.
  • Customer engagement using your own branding images.
  • Powerful analytics to understand customer behavior.
  • Works in all the browsers (including IE6!).
  • Secure channel option for information security.
  • Non-blocking, high-performance code.

Free /Paid: Free

Extension Link: EasyCAPTCHA_efence in JED

Demo Link: Demo for EasyCAPTCHA_efence

 

 

12. CedSecurityImages

Introduction


Ever been to a site where you had to register and the registration form required that you type in the same phrase that is found in a hard-to-read image? Joomla! has now this possibility thanks to my extension CedSecurityimages. It will protect You against most spammers attempt!

Features


Support best online captcha services: Recapctha, KeyCaptcha and NuCaptcha
Protect all JForm Field of all Joomla! extensions without ANY patches to Joomla! core or extensions
Good and configurable captcha

Free /Paid: Free
Extension Link: CedSecurityImages in JED
Demo Link: Demo for CedSecurityImages

 

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