CCL: how to convert multiple molecules in sd file format to mol2 format

respected sir,
i am student want to use the toxicity dataset which are present in site
but most of molecules are in smiles format or sdf format how can i use these datasets for QSAR OR QSTR.
how to convert them into sybel mol2 format or mol format.
can open babel do this
thanks in advance for spending u r  valuable time in replaying this