Replace all letters with Unicode italic equivalents

This tool replaces standard English letters (A–Z, a–z) with their **Unicode italic** equivalents (Mathematical Italic characters) in multiple ways. By default, it converts all letters. Alternatively, you can only convert uppercase letters, only lowercase, skip digits or punctuation, etc.

Input

Output

Processing Modes:

Replace All Letters
Every A–Z and a–z becomes their math italic equivalent.

Only Uppercase Letters
a–z remain the same, A–Z become italic.

Only Lowercase Letters
A–Z remain normal, a–z become italic.

Convert Letters, Skip Digits & Punctuation
0–9 or punctuation remain unchanged.

Skip Words Under 4 Letters
If the entire word is shorter than 4 letters, skip italicizing those letters.

Skip Escaped Letters
If a letter is preceded by a backslash, e.g. "\A", don't convert it.

Examples:

Replace All Letters

Every letter (uppercase or lowercase) becomes math italic.

Before:

Hello World 123

After:

𝐻𝑒𝑙𝑙𝑜 𝑊𝑜𝑟𝑙𝑑 123

Only Uppercase Letters

a–z remain normal, A–Z are italicized.

Before:

HELLO World

After:

𝐻𝐸𝐿𝐿𝑂 World

Only Lowercase Letters

A–Z remain normal, a–z become italic.

Before:

HELLO world

After:

HELLO 𝑤𝑜𝑟𝑙𝑑

Convert Letters, Skip Digits & Punctuation

Letters become italic, but “123” or commas, etc. remain normal.

Before:

Hello, World! 123

After:

𝐻𝑒𝑙𝑙𝑜, 𝑊𝑜𝑟𝑙𝑑! 123

Skip Words Under 4 Letters

Words with fewer than 4 letters are left alone.

Before:

We are tiny here

After:

We are 𝑡𝑖𝑛𝑦 𝒽𝑒𝑟𝑒

Skip Escaped Letters

If preceded by a backslash, that letter is left normal.

Before:

Hello \W or \z

After:

𝐻𝑒𝑙𝑙𝑜 \W 𝑜𝑟 \z