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  4. CryptX
CryptX icon

CryptX

No more SPAM by spiders scanning your site for email addresses!

By Ralf Weber·Mail·Free
4.4(19 reviews)
·10K+ active installs·Updated 3 months ago
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As of April 2026, CryptX is a WordPress mail plugin with 10K+ active installations and a 4.4/5 rating from 19 reviews. It has been downloaded 281K+ times in total. Requires WordPress 6.7+ and PHP 8.3+. Available on WordPress.org since 2007. Downloads are down 10% this week. Top alternative: Flamingo.

4.4/519 reviews
10K+active installs
281K+total downloads
19 yearssince 2007

Overview

No more SPAM by spiders scanning your site for email addresses. With CryptX you can hide all your email addresses, with and without a mailto-link, by converting them using javascript or UNICODE.

CryptX protects your email addresses from spambots while keeping them readable and functional for your visitors. The plugin automatically detects email addresses in your content and encrypts them using various methods including JavaScript encryption, Unicode conversion, and image replacement.

Key Features:

  • Automatic Email Detection – Finds and encrypts email addresses in posts, pages, comments, and widgets
  • Multiple Encryption Methods – JavaScript, Unicode, image replacement, and custom text options
  • Widget Support – Works with text widgets and other widget content
  • RSS Feed Contro…
Read full description on WordPress.org

Screenshots

Ratings & Reviews

4.419 reviews
5 ★
16
4 ★
0
3 ★
0
2 ★
1
1 ★
2

Recent Reviews

It works. Perfectly!
by koltast·3 years ago

An essential, lean little helper that goes on every website build that I do.

My favorite part: The option to automatically convert pasted mail addresses into mailto-links.

Thank you, Ralf!
<3

Excellent plugin!
by tenserd·4 years ago

Excellent plugin and works right out of the box. Also with divi contact module, when e-mail field is added to the form.

Thank you and all the best!
Steve

super plugin and great plugin author
by kuttnerd·4 years ago

i am using this plugin literally for all websites and can fully recommend it. Also the author is responsive and delivers a well designed plugin.

Installieren, aktivieren …
by Rene.Welz·6 years ago

… läuft.
Sonst musste ich mir die Mühe machen, ein Script hochzuladen, im Template aufzurufen und die E-Mailadresse in das passende Tag zu packen. Alles überflüssige Schritte mit dem Plugin.

Works great
by derheavy·7 years ago

and of course support works too!

Download Trends

Today: 36Yesterday: 22This week: 201Period total: 43K

Compatibility

WordPress6.7+ requiredTested up to 6.9.4
PHP8.3+ required

Version Adoption

v4.0
52.3%
v3.3
19.6%
v3.4
19.5%
v3.2
6.4%
v3.5
2.2%

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Frequently Asked Questions

Changelog

4.0.11

  • fixed a bug in the deprecated “encryptx” function (thx to Machtnix)
View full changelog on WordPress.org

Contributors

Ralf WeberRalf Weber
Plugin Info
Version
4.0.11
Last Updated
Dec 18, 2025
WP Requires
6.7+
Tested Up To
6.9.4
PHP Requires
8.3+
Active Installs
10K+
Downloads
281K+
Added
Oct 10, 2007
Business
Free

Tags

mailprivacyantispamspam protectionemail encryption

Developer

R
Ralf Weber
1 plugins0.0M+ total installs
View all plugins →

Quick Compare

CryptX vs Flamingo→CryptX vs FluentSMTP – WP SMTP Plugin with Amazon…→CryptX vs MW WP Form→

Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.