Frequently Asked Questions
Is FastConv free?
Yes. Our converter is completely free to use, with no registration required. You can convert and download audio in just a few clicks.
What MP3 quality options are available?
You can choose from multiple audio bitrates depending on your preference, including 128kbps, 192kbps, 256kbps, and 320kbps.
Do I need to install software or an app?
No. Everything works directly in your browser. There’s no need to download or install any software.
Can I use this service on mobile (Android / iPhone)?
Yes. The converter works on modern mobile browsers, so you can convert videos to MP3 on Android, tablets, iPhone, iPad and any device with a browser.
Can I trim MP3 or cut audio before downloading?
Yes. When trimming is available for a result, you can set a start and end time before conversion, then download only that selected MP3 segment.
Do you support playlist downloads?
Yes. Playlist support is available, and you can process tracks one by one. Bulk playlist downloads require an active subscription.
What is the maximum video length allowed?
To keep conversions fast and stable for everyone, the maximum supported video length is up to 1 hour and 30 minutes. If the video is longer than 90 minutes, the conversion may fail or the download options may not appear.
Why is my conversion taking longer sometimes?
Conversion speed depends on the video length, server load, and your internet connection. Most conversions finish in a few seconds, but longer videos may take slightly more time.