fre:ac is a free, open-source audio converter that supports multiple formats.
Open source
24 alternativesFreeConvert
FreeConvert converts audio between file formats through an online audio converter.
About FreeConvert
FreeConvert provides an online audio converter that changes audio files between formats, including MP3, WAV, and AAC. Users can upload from a device, Dropbox, Google Drive, OneDrive, or a URL, select a target format, and adjust settings such as quality, codec, and sample rate before converting.
Uploads are limited to 1GB, with sign-up or upgrade listed for more capacity and for conversion without a queue or ads. The site states files use 256-bit SSL encryption and are deleted after 8 hours, and users must own the rights to files they upload.
Key features
- Convert audio files to MP3, WAV, AAC and other formats
- Upload files from device, Dropbox, Google Drive, OneDrive, or URL
- Adjust audio quality, codec, and sample rate before conversion
- Supports more than 450 audio conversion combinations
- Automatically deletes uploaded files after 8 hours
- Accepts files up to 1GB in size
Best for: People who need to convert audio files between formats using an online tool.
Good for
- Accepts uploads from device, cloud storage services, and URLs
- Offers advanced settings for quality, codec, and sample rate
- Lists support for more than 450 audio conversion combinations
Watch out for
- Uploads limited to 1GB per file
- Upgrade is presented for larger files and conversion without a queue or ads
- Requires users to own rights to uploaded files
FreeConvert at a glance
- Category
- Music & Audio › Music Tools
- Type
- Website
- Pricing
- Free
- Platforms
- Android, iOS, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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FreeConvert FAQ
How do I convert an audio file?
Select Choose Files to upload, select a target format from the Convert To list, then select Convert to start.
What is the maximum file size?
Files up to 1GB are accepted, with sign-up or upgrade listed for more.
How long are uploaded files kept?
Files are automatically deleted after 8 hours.
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