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Drop one FLAC or two hundred. Batch conversion is not a paid feature here.
A lossless file has to go into an audio editor, a CD burner or a piece of hardware that cannot decode FLAC.
FLAC is decoded to the exact PCM samples it was made from. The result is bit-identical to the audio that was encoded, in a file roughly twice the size.
The audio survives perfectly and the tags mostly do not. FLAC carries rich Vorbis comments and embedded artwork; WAV's metadata support is an afterthought that many tools write and read inconsistently, so expect to re-tag afterwards.
None. FLAC is lossless, so decoding returns exactly the original samples.
FLAC typically compresses to 50 to 60 percent of the PCM size. Removing the compression restores the full size.
Drop one FLAC or two hundred. Batch conversion is not a paid feature here.
Waveform Audio is lossless, so nothing is thrown away in the conversion.
Instant, because the file never went anywhere. Nothing expires, since nothing was stored.