Upside down text generator

Type on the left, copy the flipped version from the right. It's ordinary text, so it pastes into a bio, a username or a message without becoming an image.

Running flipped text back through returns the original, so the swap button has nothing to do here. Characters with no upside-down twin are left alone and listed under the output.

No image is rotated. Unicode already holds characters that look like upside-down letters, so the converter swaps each one for its look-alike and then reverses the line. The reversal is the part people forget: a rotated page is read from what used to be the end.

The substitutes come from other alphabets, so flipped text sometimes sits slightly low or looks thinner than its neighbours. That's the font drawing a borrowed character, not a fault in the text.

These characters weren't made for fun. ɐ and ǝ are International Phonetic Alphabet symbols — a turned a, and the schwa, the neutral vowel at the start of "about". Phoneticians needed signs for sounds the Latin alphabet ignored, and rotating a letter you already had was cheaper than drawing a new one.

So an upside-down username is running on notation built in the 1880s for transcribing speech. A few others are lifted from mathematics and Greek. Look closely and the flipped alphabet is a ransom note.

For text that looks transformed but stays copyable, runes and Ogham do it with real alphabets instead of look-alikes.

Pig Latin plays with the words themselves rather than their shapes, and ROT13 hides a line from a casual glance while staying plain text.