Quivra – MP3 Media Converter
ONNELLAB
Quivra is an ad-free media converter
for WAV, M4A, MP4, and MOV files.
It handles WAV to MP3, M4A to MP3, MP4 to MP3, and MOV to MP4 with simple fixed rules.
Organize your existing audio and video files
without ads,
without subscriptions,
and without unnecessary settings.
Just choose a file and tap convert.
There is no need to select an output format.
Conversion is handled automatically.
Supported conversions
• Convert WAV to MP3
• Convert M4A to MP3
• Extract MP3 audio from MP4
• Convert MOV to MP4 video
The conversion method is determined automatically
based on the input file format.
Recommended for
• Anyone who needs WAV to MP3 conversion
• Extracting MP3 audio from MP4 videos
• Users tired of ad-heavy converters
• People who prefer simple, reliable tools
Key features
• No ads
• No subscriptions
• Fixed high-quality output
• Original file names preserved
• Automatic duplicate name handling
• One-time save location setup
Only the essentials.
Nothing unnecessary.
for WAV, M4A, MP4, and MOV files.
It handles WAV to MP3, M4A to MP3, MP4 to MP3, and MOV to MP4 with simple fixed rules.
Organize your existing audio and video files
without ads,
without subscriptions,
and without unnecessary settings.
Just choose a file and tap convert.
There is no need to select an output format.
Conversion is handled automatically.
Supported conversions
• Convert WAV to MP3
• Convert M4A to MP3
• Extract MP3 audio from MP4
• Convert MOV to MP4 video
The conversion method is determined automatically
based on the input file format.
Recommended for
• Anyone who needs WAV to MP3 conversion
• Extracting MP3 audio from MP4 videos
• Users tired of ad-heavy converters
• People who prefer simple, reliable tools
Key features
• No ads
• No subscriptions
• Fixed high-quality output
• Original file names preserved
• Automatic duplicate name handling
• One-time save location setup
Only the essentials.
Nothing unnecessary.
Developer email
onnellab.app@gmail.com
Developer website
https://onnellab.github.io/Released
Mar 8, 2026
Current version
1.0.7
Android version
7.0