Convert AU to AAC Files Online for Free.

Q: Can I convert audio from video files?

A: Absolutely! If you have a video file and just want the audio, you can upload it to RunConvert, and we’ll extract the audio for you. It’s a quick and easy way to get just the sound without the video.

Q: Can I convert audiobook chapters into separate files?

A: While RunConvert doesn’t split audiobooks automatically, you can split them manually with another tool before converting. After that, converting each chapter into a separate format is a breeze.

Q: How do I make my converted audio file smaller?

A: You can try converting to a more compressed format like MP3 or OGG, which reduces the file size without sacrificing too much quality. Smaller files are easier to share and store—perfect for quick uploads!

Q: What audio formats are best for high-fidelity sound?

A: For high-fidelity sound, you’ll want to stick with lossless formats like FLAC or WAV. These formats don’t sacrifice audio quality, unlike MP3, which compresses the audio to save space.

Q: Can I trim my audio before converting it?

A: Currently, trimming isn’t part of the conversion process, but you can easily trim your audio file before uploading it. Many free tools out there let you do that quickly, and then you can convert it.

Q: Can I convert an audio file into a different language?

A: While we can’t translate audio, you can definitely convert audio files with different languages into the format you need. For translation, you’d want to look into transcription and translation services first.

Q: What’s the best format for music streaming on my device?

A: For music streaming, MP3 is often the most compatible format across devices, but FLAC is perfect if you want the best audio quality. If you’re prioritizing smaller file sizes, MP3 is the way to go!

Q: Can I convert audio files without losing quality?

A: Great question! Yes, RunConvert prioritizes quality. We ensure that your converted audio files maintain their original sound as much as possible, so no need to stress about losing that rich tone you love.

Q: How do I convert my audio file to a ringtone?

A: Want that perfect clip for your ringtone? You can easily convert your audio file to a shorter MP3 or M4R file using RunConvert. Just crop the audio to the part you want, and voila—your ringtone is ready!

Q: How do I choose the best output format for my audio?

A: It depends on what you plan to do with the audio. For high-quality sound, go for FLAC. For more compatibility across devices, MP3 is a solid choice. If you’re looking for lossless quality, WAV is your go-to. It all comes down to your needs!