How to Say "hack" in Spanish
The Spanish word for “hack” is “truco” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
nounB1informal
clever solution

Examples
Mi abuela me enseñó un truco para que el pan no se seque.
My grandmother taught me a tip/hack so the bread doesn't dry out.
Este programa tiene un truco que acelera la descarga de archivos.
This program has a special feature/gimmick that speeds up file downloading.
Idiomatic Use: 'El truco está en...'
A very common way to give advice is to say 'El truco está en...' (The trick/key is in...), followed by what you need to do.
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