Best Way to Batch Convert a Couple Thousand .ddses?

[Xiron]

Hey all.
I've got a question, an important one. What's the best way to batch convert a bunch of .dds to .png while keeping transparency? I decided to give XnView a go, but the backgrounds turn black, so that's no good. Any other suggestions?
And while were at it, I also have some .tga to convert too, but not nearly as much.

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Edit: Know what awesome program I already had installed that works like a charm? SageThumbs, and it uses XnView's library too!
If you know any other methods or programs, feel free to also suggestion them below still.

[Random Talking Bush]

Noesis works like a charm, and there's even a recursive option to convert all subfolders, too. Just be sure to change the "Output path" to the following to remove the redundancy:

Code:

$inpath$\$inname$.$outext$

[Xiron]

Oooh, nice! I didn't realize Noesis worked for textures as I've always used it for models.