What is Zalgo text and how is it created in Unicode?

Zalgo text is created by attaching numerous zero-width combining diacritical marks (U+0300–U+036F) to standard base Latin characters. Because combining marks have no horizontal advance width, modern text layout engines stack them vertically above, through, and below the letters, creating the visual effect of an overflowing glitch or cursed font.

How do I remove or clean Zalgo text back to normal?

Click the "Clean Zalgo" button in our tool. It applies an instant regex filter that deletes all combining diacritical mark codepoints while leaving the underlying alphanumeric base letters completely intact.

Why does Zalgo text cause lag or overflow on some websites?

Because each base character can have dozens of stacked diacritics, the rendered height extends beyond the normal CSS line-height box. In extreme cases (Maximum Chaos), thousands of glyph calculations can cause rendering stutter on low-powered mobile devices.

Tools/Zalgo Text

Zalgo & Glitch Text Generator

Generate corrupted, cursed, and void glitch text with 3-dimensional diacritical stacking controls (Up, Middle, Down), and sanitize Zalgo back to readable ASCII in 1 click.

266Attached Diacritical Marks

46Base Characters

6.8xDensity Expansion

578 BUTF-8 Size

Sky Glitch (Upwards):6

Void Barrier (Middle):2

Abyss Dripping (Downwards):6

Quick Presets:

Font Size (18px):

Source Text (or paste existing Zalgo text to clean)Real-time Stacking

ZALGO TEXT GENERATOR: HE WAITS BEHIND THE WALL

Corrupted Zalgo Output

Ẕ̦̯̟ͮ̀̆̕A̙̲̞̞̟̦͂ͬͧ́Ĺ̙̞̜͉̾G̥̻͉͂̿O̦̖̫̞̍̔ T̗̞̺̋͛E̺̮͉̠̠ͬͤX͚̥̪̗͐͊̅T̬̣̻̱̘͉̉̽ G̣̲̻͉̺͂̽́̅E͎̹̐̓N͖̞̑̓ͭͣE̛̬̯̼̮̾͊R̗͍̗̭̤͌ͥ̐̕A̬̮̤͂Ṭ̞̭ͦ͛͗̕Ỏ͎̣̱̼̟ͯ̋R̤̲̩̲̱̝̒̾͗:̲̣̭̭̫̪͆͒̋̚ Ḫ̩̮̩̱̠̤̇͑E͙̮̥ͯ Ẅ̠̳̝Ạ̮̊ͣͮÍ͚̺̭̼Ṭ͚̰̜͇ͩͯS̙̪̻̤ͩ̈͒̕ B̺̝̹̗͉̚Ḛ̼̳̥̪́͋̚H̲̦̠̞ͬͣ̓̆I̦̖̦ͫN͍͈̮̦ͩ̓ͣD̤̥̤̭̿͂ͬ Ț̠̯̬̔H̲̱̜̥̞̮ͯ͒Ẹ̫ͭ̑͛ W̗̻̟̘̖̭̜͊ͩ͋Ȁ̲̜̗̼̻̤L̝̝̩̦̻̱͋Ľ̛͚̖̱̈̇

The Engineering Science of Unicode Combining Diacritics & Zalgo Glitches

In Unicode typography, Combining Diacritical Marks (U+0300–U+036F) are non-spacing glyphs intended to modify a preceding base letter (such as adding an acute accent, tilde, or cedilla). Because combining characters have zero horizontal advance width, modern OpenType rendering engines stack them vertically on top of, through, or underneath the preceding base glyph.

Zalgo text (named after the 2004 Something Awful creepypasta by Dave Kelly) exploits this standard feature by attaching dozens of random combining marks to every letter. The resulting string overflows standard CSS line-height bounding boxes, spilling into adjacent paragraphs and causing a distinct “corrupted cyber-abyss” visual effect.

Developer Security & Sanitization Insights

•UI Layout Protection: Unsanitized Zalgo text can break table cell heights and spill over navigation headers on web apps.
•Denial of Service (DoS) Prevention: Stacking hundreds of diacritics on a single string can cause lag in legacy mobile text renderers.
•Instant Sanitization: Our cleaner applies regex /[\u0300-\u036F]/g to strip corrupting marks in microseconds.
•Gamer & Discord Aesthetics: Create custom corrupted usernames and spooky RPG dialogue for gaming profiles.

Frequently Asked Questions (FAQs)

Can Zalgo text be copied into Discord, TikTok, and Instagram?+

Yes! Zalgo text is 100% genuine Unicode, so it can be pasted into Discord channel names, bios, Twitter/X posts, and gaming profiles.

How does the Zalgo cleaner restore corrupted text?+

Our cleaner scans the character stream and filters out all combining diacritical marks in the U+0300–U+036F and U+1DC0–U+1DFF blocks, leaving the original clean ASCII letters untouched.

What do the Up, Middle, and Down sliders control?+

The Up slider controls marks extending into the sky above the text, the Middle slider controls overstrike marks cutting across the letters, and the Down slider controls marks dripping toward the bottom abyss.