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  4. Email Address Encoder
Email Address Encoder icon

Email Address Encoder

A lightweight plugin that protects email addresses from email-harvesting robots, by encoding them into decimal and hexadecimal entities.

By Till Krüss·Spam·Free + Premium
4.2(160 reviews)
·100K+ active installs·Updated 1 year ago
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As of April 2026, Email Address Encoder is a WordPress spam plugin with 100K+ active installations and a 4.2/5 rating from 160 reviews. It has been downloaded 1.6M+ times in total. Requires WordPress 2.0+ and PHP 5.3+. Available on WordPress.org since 2011. Last updated 1 year ago — may have compatibility concerns. Download volume is stable this week. Top alternative: Akismet Anti-spam: Spam Protection.

4.2/5160 reviews
100K+active installs
1.6M+total downloads
15 yearssince 2011

Overview

A lightweight plugin that protects plain email addresses and mailto links from email-harvesting robots, by encoding them into decimal and hexadecimal entities. Has an effect on the posts, pages, comments, excerpts, text widgets and other filtered content. Works without JavaScript — just simple spam protection.

To see whether all your email addresses are properly protected, use the free page scanner tool.

Other content (like phone numbers) can be protected using [encode] shortcode:

[encode]+1 (555) 123-4567[/encode]
[encode link="tel:+15551234567"]+1 (555) 123-4567[/encode]

Premium Features

  • Full-page protection that catches all email addresses
  • Hardened protection using JavaScript and CSS techniques
  • Improved phone number protection
  • Built-in plugin support for ACF, Jetpack, WooCommerce and…
Read full description on WordPress.org

Screenshots

Ratings & Reviews

4.2160 reviews
5 ★
119
4 ★
6
3 ★
3
2 ★
6
1 ★
26

Recent Reviews

No answer
by Ericmuc·3 months ago·1 reply

No answer from the author on several emails regarding my bought licenses. I had the idea to buy more licenses, but without any response this plugin is dead.

Do not understand the naming convention between pro and free
by ianstudio·9 months ago·1 reply

I do not understand the naming convention between pro and free
Hard to understand if it is being maintained with as much vigor as the free version.. why is pro/paid at v 0.3.11.

Why would’t the developper keep some sort of parity between the pro and free in naming convention ?

Eigentlich eine Frechheit!
by treierp·1 year ago·1 reply

Habe das Plugin in der Pro Version gekauft. Nach einiger Zeit läuft nur noch die gratis Version. Grund: Meine Lizenz wird offenbar irgendwo sonst verwendet!?
Nachfrage beim Support: KEINE ANTWORT!

Frechheit oder Betrug, ich mag es nicht beurteilen.
Aber mein Rat: Finger weg von diesem Hersteller.

pro but no support, no refund
by Patrice Grometto·1 year ago

works correctly with simple websites ; may stop other plugins from functioning (such as plausible stats), and then, absolutely no replies, and no support would be provided, even with pro version…

  • This topic was modified 1 year, 4 months ago by Patrice Grometto.
plugin wont work, no support, no refund
by anonymous765562·1 year ago·1 reply

Bought the plugin, it did not work. Couldn’t reach the support. Did not get any refund.

Seems to be scam. I’ve escalated the issue to the bank and they will contact the authorities.

Download Trends

Today: 107Yesterday: 147This week: 914Period total: 60K

Compatibility

WordPress2.0+ requiredTested up to 6.7.5
PHP5.3+ required

Version Adoption

v1.0
100.0%

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Frequently Asked Questions

Changelog

1.0.24

  • Added class attribute to [encode] shortcode
  • Prevent CSRF to flush page caches
View full changelog on WordPress.org

Contributors

Till KrüssTill Krüss
Plugin Info
Version
1.0.24
Last Updated
Jan 20, 2025
WP Requires
2.0+
Tested Up To
6.7.5
PHP Requires
5.3+
Active Installs
100K+
Downloads
1.6M+
Added
Nov 21, 2011
Business
Commercial

Tags

spamblockcrawlerencryptionprotection

Developer

T
Till Krüss
5 plugins0.4M+ total installs
View all plugins →

Quick Compare

Email Address Encoder vs Akismet Anti-spam: Spam Protection→Email Address Encoder vs Sucuri Security – Auditing, Malware…→Email Address Encoder vs WP Mail Logging→

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