Replace parentheses with curly brackets

This tool replaces parentheses “( )” with curly braces “{ }” in various modes. You can replace all parentheses, only opening or only closing, remove them entirely, only replace if inside is alphanumeric, or skip escaped parentheses (like “\(” and “\)”).

Input

Output

Processing Modes:

Replace All Parentheses
Every “(” becomes “{” and every “)” becomes “}”.

Replace Only Opening “(”
Leaves closing “)” alone.

Replace Only Closing “)”
Keeps “(” as is, but “)” → “}”.

Remove Parentheses Entirely
Strips “(” and “)” from the text, leaving what’s inside.

Replace Only if Inside is Alphanumeric
e.g. “(abc)” → “{abc}”, but leaves “( )” or “(#@)” alone.

Skip Escaped Parentheses
Leaves “\(” or “\)” as is, only replaces normal parentheses.

Examples:

Replace All Parentheses

Every “(” → “{” and every “)” → “}”.

Before:

function test() ( return ( x: 10 ); )

After:

function test() { return { x: 10 }; }

Replace Only Opening “(”

Leaves “)” unchanged.

Before:

Hello (name), how are )?

After:

Hello {name), how are )?

Replace Only Closing “)”

Leaves “(” alone, but “)” → “}”.

Before:

Hello (user), press ) to exit.

After:

Hello (user}, press } to exit.

Remove Parentheses Entirely

Erases both “(” and “)”.

Before:

(Hello), (World)!

After:

Hello, World!

Replace Only if Alphanumeric Inside

“(abc)” → “{abc}” but “(#@)” stays.

Before:

This is (abc), but not ( ) or (#@).

After:

This is {abc}, but not ( ) or (#@).

Skip Escaped Parentheses

Leaves “\(” or “\)” as is, only changes plain ones.

Before:

LaTeX says \(don't replace me\), but (replace me) is fine.

After:

LaTeX says \(don't replace me\), but {replace me} is fine.