no es tan malo

it's not so bad

→ no
phrase Uncommon #17,438
it's not so bad The adjective changes to agree with the noun: no es tan mala for feminine nouns. No está tan mal is also a very common way to say this.
SP: El examen no es tan malo.
EN: The exam isn't so bad.

Al fin y al cabo no es tan malo.

After all, it's not so bad.

Si no es tan malo como suena.

If it's not as bad as it sounds.

No te preocupes, no es tan malo.

Don't worry, it's not that bad.

— Despedidas (2008)

Él no es tan malo.

He's not that bad.

— Piku (2015)

Tom no es tan malo como Mary piensa que es.

Tom isn't as bad as Mary thinks he is.

Por lo tanto, no es tan malo.

Therefore, it is not that bad.

— Elena (2011)

Si no es tan malo.

It's not that bad.

Eso no es tan malo.

That's not so bad.

— System crasher (2019)

El niño no es tan malo como parecía.

The boy isn’t as bad as he seemed.

Rendirse no es tan malo.

Giving up isn’t so bad.

— Acantilado rojo (2008)