There are several options available for free audio to text converter software. Some of the popular ones include Flixier, Kapwing, VEED.IO, Happy Scribe, Google Cloud Speech-to-Text, and Descript. These tools use speech recognition technology to convert spoken language into written text, which is known as transcription. They are useful in various scenarios where having a text file is more convenient than an audio recording. Most of these tools support multiple languages and offer high accuracy in transcription. Some of them also allow users to edit the text and make changes to the audio file accordingly. Overall, the best audio to text converter software for free would depend on the user's specific needs and preferences.