Hablar vs. conversar

The Spanish words 'hablar' and 'conversar' both mean 'to speak' or 'to talk', but they are used in different contexts. Here is a comparison of their meanings and uses.

Hablar

The word 'hablar' generally means to speak or to talk. It is usually used for the act of speaking in general, communicating verbally, or addressing someone.
Ella sabe hablar español perfectamente.
(She knows how to speak Spanish perfectly.)
Necesito hablar contigo sobre el proyecto.
(I need to talk with you about the project.)
Podemos hablar por teléfono mañana.
(We can speak on the phone tomorrow.)

Conversar

The word 'conversar' means to converse or to have a conversation. It implies an exchange of ideas or dialogue between people and is often more formal.
Los amigos se reunieron para conversar sobre sus aventuras.
(The friends met to talk about their adventures.)
Me gusta conversar con mi abuela sobre su juventud.
(I like to talk to my grandmother about her youth.)
Conversamos mucho durante la cena.
(We talked a lot over dinner.)

Summary

'Hablar' is used for general speaking or addressing someone, while 'conversar' is used for engaging in a dialogue or an exchange of ideas.