A: No! Unlike basic speed changers that make audio sound squeaky when sped up, we use an advanced pitch-correction algorithm (atempo) to maintain natural voices.
A: Currently, the web-based FFmpeg engine supports stable pitch-corrected adjustments between 0.5x and 2.0x for the best possible quality.
A: Yes, it is 100% free with no watermarks and runs entirely inside your browser, meaning it works even without an active internet connection.