Convert all vowels into asterisks

This tool converts vowels into asterisks. It provides flexible options so you can convert every vowel, convert only those you specify, convert all vowels except the allowed ones, or replace vowels with a custom string. Simply enter your text and select the processing mode that suits your needs.

Input

Output

Processing Modes:

Convert All Vowels to Asterisks
Replaces every vowel (a, e, i, o, u, case insensitive) with an asterisk (*).

Convert Only Specified Vowels
Only replaces the vowels you specify. Enter a comma‑separated list (e.g., a, o).

Convert All Except Allowed Vowels
Replaces every vowel except those you explicitly allow. Enter a comma‑separated list (e.g., e, i).

Replace Vowels with a Custom String
Replaces every vowel with a custom string. Enter the replacement text below.

Examples:

Convert All Vowels to Asterisks

Every vowel is replaced with an asterisk.

Before:

Hello World!

After:

H*ll* W*rld!

Convert Only Specified Vowels

Only the specified vowels (e.g., a, o) are replaced with an asterisk.

Before:

Amazing Opportunity!

After (replacing a, o):

Am*zing Opportunity!

Convert All Except Allowed Vowels

Every vowel is replaced except those allowed (e.g., allowing e, i).

Before:

Beautiful Evening

After (allowing e, i):

B**t*f*l *v*ning

Replace Vowels with a Custom String

Every vowel is replaced with the custom string you provide (e.g., "#").

Before:

Hello World!

After (using custom string "#"):

H#ll# W#rld!