Email Obfuscator

Email obfuscation is a technique to hide email addresses from automated spam bots while keeping them readable for humans. By encoding the email in various ways, you can display it on websites without it being easily harvested.

JavaScript-based methods are generally most effective as they require the bot to execute JavaScript. HTML entity encoding provides good protection while being purely static. Using multiple methods together increases protection.

Sophisticated bots can decode some obfuscation methods. However, obfuscation significantly reduces spam by blocking simpler bots. For maximum protection, consider using contact forms instead of displaying email addresses.

ROT13 is a simple substitution cipher that replaces each letter with the letter 13 positions after it in the alphabet. It's not secure encryption but can prevent basic email harvesting. Applying ROT13 twice returns the original text.

Some obfuscation methods can impact accessibility for screen readers and users with disabilities. HTML entity encoding maintains accessibility while JavaScript methods may not. Always test with screen readers and consider providing alternative contact methods for maximum accessibility.

Copy the obfuscated code from the tool and paste it directly into your HTML. For JavaScript methods, ensure the script is placed after the email container in your HTML or runs after DOM load. Test the display to confirm the email appears correctly to users.

Yes, you can obfuscate mailto links by encoding the entire href attribute using HTML entities or JavaScript. This prevents bots from harvesting both the visible email text and the link destination. However, some methods may require users to have JavaScript enabled.

Email obfuscation doesn't guarantee spam prevention as sophisticated bots can decode common methods. It may impact SEO, accessibility, and users with JavaScript disabled. Obfuscation also requires maintenance if you change email addresses and doesn't protect against human spammers.

Contact forms provide better protection against spam by not exposing your email address at all. However, email obfuscation is useful when you must display an email address directly. For maximum security, use contact forms with CAPTCHA and save obfuscation for situations requiring visible email addresses.

HTML entity obfuscation works universally across all devices. JavaScript-based methods work on most modern mobile browsers but may fail on older devices or browsers with JavaScript disabled. Always test your obfuscated emails on multiple devices and provide fallback contact options.