Upside Down Text Generator
Flipping text means two operations: swap each letter for a rotated lookalike, then reverse the whole string. Skip the reverse and it reads backwards.
Flipping is two operations, not one
Text that reads correctly when you turn the screen upside down needs two changes:
- Substitute each character with a glyph that looks like that character rotated 180 degrees —
abecomesɐ,ebecomesǝ,pbecomesd. - Reverse the order of the whole string. Without this step the letters are rotated but the word still runs left to right, so it reads backwards.
Hello world becomes plɹoʍ ollǝH. Rotate your phone and it reads normally — because the last letter is now first.
The alphabet
| Input | Flipped | Input | Flipped |
|---|---|---|---|
| a b c d e f g | ɐ q ɔ p ǝ ɟ ƃ | n o p q r s t | u o d b ɹ s ʇ |
| h i j k l m | ɥ ᴉ ɾ ʞ l ɯ | u v w x y z | n ʌ ʍ x ʎ z |
| A B C D E F G | ∀ 𐐒 Ɔ ᗡ Ǝ Ⅎ ⅁ | N O P Q R S T | N O Ԁ Q ᴚ S ⊥ |
| H I J K L M | H I ſ ⋊ ˥ W | U V W X Y Z | ∩ Λ M X ⅄ Z |
| 0 1 2 3 4 | 0 Ɩ ᄅ Ɛ ㄣ | 5 6 7 8 9 | ϛ 9 ㄥ 8 6 |
Not every mapping is a clean rotation. Some are approximations chosen because they are the closest glyph that exists: ϛ for 5, ㄥ for 7, and the Canadian syllabics character ᗡ for D. The capital B uses a Deseret letter (𐐒), which is missing from many system fonts — see the rendering note below.
Punctuation and spaces
Punctuation is flipped where a rotated form exists: ? becomes ¿, ! becomes ¡, . becomes ˙, brackets swap sides, and & becomes ⅋. Characters with no rotated counterpart pass through unchanged, and so do spaces — which is why a flipped sentence keeps its word breaks in the same places but the words sit in reverse order.
Why pieces of it sometimes disappear
- Font coverage. The rotated letters come from the International Phonetic Alphabet, which most fonts include. The capital set does not:
𐐒(Deseret) andᗡ(Canadian syllabics) are commonly missing, and appear as a box or a blank. - Newer blocks.
ᴉ,ʞandʇare old enough to be safe; the capital glyphs are the weak point. If a capital disappears, write that word in lowercase before flipping it. - Right-to-left text. Reversing a string that already runs right to left, such as Arabic or Hebrew, does not produce the intended effect — the bidirectional algorithm reorders it again.
- Mixed scripts. Chinese, Japanese and emoji characters have no rotated forms, so they stay upright in the middle of flipped text. The result is a visual mess rather than a joke.
Where flipped text works
It is a visual gag: captions, chat messages, a joke at the end of a comment, a "turn your phone" post. It is not usable for anything that must be read — search does not match it, sorting puts it at the end of the list, and a screen reader will read the rotated characters as their IPA names, if it reads them at all.
Because the string is reversed, copying a flipped sentence and pasting it somewhere that does not display the same glyphs gives you a line of odd symbols in reverse order. That is expected: the text is the joke, not a transformation of the underlying meaning.
One practical detail. If you need the flipped text to end with a particular character, remember that the reversal puts the last typed character first. Typing a word plainly and flipping it is easier than trying to type it backwards.
Questions
Can I flip the text back?
Not exactly. Flipping twice returns the original letters in the original order only if every substitution is its own inverse, and several are not — b becomes q and q becomes b, but l stays l and s stays s. For a clean round trip, keep the original text.
Is upside-down text a font?
No. It is a set of substitute characters plus a reversal. Any app that can display the characters will show the effect; no font file is involved.
Why does it look wrong in my browser?
Most likely a missing glyph. Check whether the odd characters are capitals; if so, flip the lowercase version instead. Some older Android builds also lack the IPA extensions used for ʞ and ʇ.