WavPackn

If you're handling audio files on a daily basis, you are probably aware of the fact that without the help of software assistance, many audio processing operations would not be possible.
Fortunately, nowadays there is a wide variety of third-party applications that can help you achieve quick, convenient results in the situation described above. One of them is WavPackn.

Doesn't require setup

Since it is a portable application, WavPackn does not require you to install it on the target computer, as simply decompressing the contents of the archive it comes packed in and launching the executable grants you full access to its controls.
More so, it can be executed from removable storage media such as USB flash drives or external HDDs. More so, you don't have to worry about it tampering with your registry entries or creating additional files or folders on your PC without your explicit permission.

Supports batch processing

WavPackn is actually a GUI for the "wavpack.exe" and "wvunpack.exe" components included in the archive. Both of them are highly usable, but since they lack a standard GUI, many users can become confused or fail to understand or operate its functions without efforts.
After you launch the application, you need to select the files that you need to encode or decode by navigating to the "Select File" and using the "Open" or "Folder" buttons, depending on whether you need to process a single file or multiple ones.

Encodes or decodes WAVs efficiently

Once the files are loaded, you can encode or decode them freely by navigating to the corresponding categories and adjusting the settings according to your preferences. Encoding can be done by choosing between Hybrid and Lossless encoding methods and selecting a profile from the combo menu or radio buttons.
Decoding, on the other hand, is a simpler process, as you simply need to specify whether or not you want the application to extract the document's cue sheet file and toggle WVC file ignore.

Lightweight WAV encoder and decoder

All in all, WavPackn is a portable application that can help you decode or encode WAV files on your computer without significant efforts. It requires no installation, comes as a GUI for two command line components and features a wide palette of profiles.