L33t

Mastering L33t Speak: A Beginner’s Guide

What is L33t Speak?

L33t (leet) speak is an alternative alphabet used primarily online that replaces letters with numbers, symbols, or other characters (e.g., “leet” “l33t”). It began as a way for early online communities to identify in-group members, evade simple text filters, and add playful obfuscation to messages.

Why learn L33t?

  • Cultural literacy: Recognizes internet-era humor, memes, and references.
  • Nostalgia and style: Useful for retro or hacker-themed projects.
  • Privacy play: Simple obfuscation in informal contexts (not secure encryption).

Core substitutions

  • A 4 or @
  • E 3
  • I 1 or !
  • O 0
  • S 5 or \(</span></span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span class="font-semibold" data-streamdown="strong"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">T</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">→</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">7</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">or</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">+</span></span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span class="font-semibold" data-streamdown="strong"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">L</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">→</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">1</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">or</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">|</span></span></li> </ul><h3 class="mt-6 mb-2 font-semibold text-xl" data-streamdown="heading-3"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Basic</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">rules</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">and</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">tips</span></h3><ol class="list-inside list-decimal whitespace-normal [li_&]:pl-6" data-streamdown="ordered-list"> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span class="font-semibold" data-streamdown="strong"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Start</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">simple:</span></span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Replace</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">only</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">a</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">few</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">letters</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">to</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">keep</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">text</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">readable.</span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span class="font-semibold" data-streamdown="strong"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Mix</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">numbers</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">and</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">symbols:</span></span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Combine</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">substitutions</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">(e.g.,</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"hacker"</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">→</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"h4x0r"</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">or</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">"h4x0rz").</span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span class="font-semibold" data-streamdown="strong"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Preserve</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">readability</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">when</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">needed:</span></span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">For</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">casual</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">use,</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">avoid</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">replacing</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">every</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">vowel.</span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span class="font-semibold" data-streamdown="strong"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Use</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">deliberate</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">misspellings:</span></span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Add</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">or</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">remove</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">letters</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">for</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">stylistic</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">effect</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">("own"</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">→</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"pwn").</span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span class="font-semibold" data-streamdown="strong"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Leverage</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">case</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">and</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">punctuation:</span></span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">CAPITALS</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">and</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">underscores</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">can</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">add</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">emphasis:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"L3ET_5K33P".</span></li> </ol><h3 class="mt-6 mb-2 font-semibold text-xl" data-streamdown="heading-3"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">Examples</span></h3><ul class="list-inside list-disc whitespace-normal [li_&]:pl-6" data-streamdown="unordered-list"> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"hello</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">world"</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">→</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"h3ll0</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">w0rld"</span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"elite"</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">→</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"3l173"</span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"password"</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">→</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"p455w0rd"</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">(note:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">do</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">not</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">use</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">this</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">for</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">real</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">passwords)</span></li> </ul><h3 class="mt-6 mb-2 font-semibold text-xl" data-streamdown="heading-3"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">Common</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">variations</span></h3><ul class="list-inside list-disc whitespace-normal [li_&]:pl-6" data-streamdown="unordered-list"> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Minimal:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">only</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">key</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">vowels/nouns</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">replaced</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">for</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">clarity.</span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Maximal:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">heavy</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">obfuscation,</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">used</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">for</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">jokes</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">or</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">puzzles.</span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Hybrid:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">blends</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">leet</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">with</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">slang</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">(e.g.,</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"n00b"</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">for</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">"newbie").</span></li> </ul><h3 class="mt-6 mb-2 font-semibold text-xl" data-streamdown="heading-3"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">Practice</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">exercises</span></h3><ol class="list-inside list-decimal whitespace-normal [li_&]:pl-6" data-streamdown="ordered-list"> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Convert</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">these</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">phrases:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"good</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">game",</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"see</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">you</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">later",</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">"system</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">overload".</span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Create</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">a</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">leet</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">username</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">from</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">your</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">name</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">using</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">at</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">least</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">two</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">substitutions.</span></li> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Translate</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">a</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">short</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">meme</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">caption</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">into</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">maximal</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">leet</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">and</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">then</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">back</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">to</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">plain</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">text.</span></li> </ol><h3 class="mt-6 mb-2 font-semibold text-xl" data-streamdown="heading-3"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">When</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">not</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">to</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">use</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">L33t</span></h3><p><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">Avoid</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">using</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">leet</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">in</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">professional</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">communication,</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">formal</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">writing,</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">or</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">anywhere</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">clarity</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">and</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">accessibility</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">are</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">essential.</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">It</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">can</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">be</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">confusing</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">for</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">screen</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">readers</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">and</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">non-native</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">speakers.</span></p><h3 class="mt-6 mb-2 font-semibold text-xl" data-streamdown="heading-3"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">Quick</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">cheat</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 250ms; –sd-easing: ease-in;">sheet</span></h3><ul class="list-inside list-disc whitespace-normal [li_&]:pl-6" data-streamdown="unordered-list"> <li class="py-1 [&>p]:inline" data-streamdown="list-item"><span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">A:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">4,</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">@</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">|</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">E:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">3</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">|</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">I:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">1,</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">!</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">|</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">O:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">0</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">|</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">S:</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">5,</span> <span data-sd-animate="true" style="–sd-animation: sd-fadeIn; –sd-duration: 0ms; –sd-easing: ease-in;">\) | T: 7, + | L: 1, |

Closing tip

Start with light substitutions and only increase obfuscation if your audience will appreciate the style—readability keeps the joke working.

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