The Best Free Captcha Extensions for OpenCart & Magento

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If you want to add another layer of security to your online store, or simply reduce the amount of spam your site receives, then you have to check out our favourite free captcha extensions for OpenCart and Magento.  These free extensions allow you to add captchas to various elements of your online store, including your admin area, user registration, contact and product review forms, and more.

OpenCart Captcha Extensions


captcha opencart extension

If you want to make your OpenCart store more secure, then you need to try Captcha.  This free OpenCart extension requires users to successfully complete a captcha when they attempt to checkout out of your store as a registered users or guests, join your affiliate program, reset their passwords, or create accounts.

Captcha in Admin Page

captcha in admin page opencart

Captcha in Admin Area adds an additional layer of security to your OpenCart site, which can help prevent unauthorised people from gaining access to your store’s backend.  This free OpenCart extension adds a simple captcha to the login page for your admin area, making your site less vulnerable to brute force attacks.


recaptcha free opencart

If you want to replace OpenCart’s default captcha system used in the contact form with a version that helps digitize old books and newspapers, then you need to try ReCAPTCHA Free.  This captcha OpenCart extension not only reduces spam and helps digitize content, it also includes a built-in audio challenge which will help make your site more accessible to the visually-impaired.

Magento Captcha Extensions

Product Review Captcha

product review recaptcha magento extensions

If your store’s product reviews form is generating more spam than customer feedback, then you need you to try Product Review Captcha.  This free Magento extension will add a captcha to your site’s product review form, making it much harder for spambots to flood your store with unwanted messages.

Contact Form Captcha

contact forms recaptcha magento extensions

Contact Form Captcha is designed to protect your Magento store’s contact form from spammers, cutting down on the amount of time you need to spend separating your legitimate messages from spam.  This free Magento extension is easy to install and configure, making it a great tool if your site’s contact us form is being targeted by spambots.

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