Mirror Writing

Mirror writing, also called mirror writing, is a transformation of text achieved through axial symmetry, usually along a vertical axis. Each point in the text is transformed into its mirror image with respect to this axis, thus reversing the left and right orientation of the characters. The resulting text is only correctly readable when viewed through a plane mirror.

Automatic method: use dCode, indicate your text (with several handwriting renderings) or an image.

Manual method: to make this operation by hand, the best way is to use a mirror and rewrite it by looking at 45°.

The result generated on dCode is an image that can be copy-pasted into a word processor or an email but on most websites that will not work because they do not provide this functionality.

Leonardo da Vinci sometimes used mirror writing in his notebooks, but not systematically. Several hypotheses have been put forward, but none have been definitively confirmed.

— A practical reason related to his left-handedness, as writing from right to left reduces friction of the hand on the fresh ink.

— A cognitive habit facilitating the rapid production of text in this direction.

— A possible desire to make his notes less immediately legible, without constituting a true encryption system.

Mirror writing is used in several contexts:

— Functional: on emergency vehicles (ambulances, police cars), so that the text is legible in drivers' rearview mirrors.

— Cognitive: some people, particularly left-handed individuals, can spontaneously produce mirror writing due to their motor skills.

— Playful or educational: to create puzzles, illustrate symmetry, or explore visual perception skills.

The default Leonard de Vinci 1 font is a Behance creation here (non-commercial license)

The font 2 is called Leonardo Hand Forward is a creation of typo969 here (non-commercial use license)

The other fonts are Microsoft fonts (Arial and Comic Sans)

Mirror writing presents a challenge for reading because the brain is used to processing words in a specific sense. Reading mirrored text takes longer to recognize letters and mentally reorganize words to understand them. Some people don't succeed at all.

Mirror writing consists of horizontally reversing a text, while an ambigram can be read by rotation. Ambigrams exploit axial symmetry while mirror writing is limited to horizontal or vertical symmetry.