Add Google reCaptcha to the comments section on blog posts. Additional hooks for adding reCaptcha to custom forms.
As of April 2026, F13 reCaptcha is a WordPress spam plugin with 0 active installations and a 0/5 rating0. It has been downloaded 851 times in total. Requires WordPress 5.0+ and PHP false+. Available on WordPress.org since 2021. Last updated 4 years ago — may have compatibility concerns. Top alternative: Akismet Anti-spam: Spam Protection.
Add Google reCaptcha to the comments section on blog posts. Requires Google reCaptcha v2 Checkbox API key.
Simple configuration via the admin settings page:
* reCaptcha public key
* reCaptcha private key
* enable reCaptcha for (Everyone | Visitors | Nobody [disabled])
Additional hooks for programmers:
$v = apply_filters(‘f13_recaptcha_add’);
Will place a reCaptcha checkbox in the desired place.
$validate = apply_filters(‘f13_recaptcha_validate’);
if (!empty($validate)) {
$v = $validate
// reCaptcha failed
} else {
// reCaptcah passed
}
| WordPress | 5.0+ requiredTested up to 5.8.13 |
| PHP | false+ required |
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