Compress audio

Compress audio offline by JavaScript in web browser






OUTPUT FILES:
# File Name File Size Actions
How to use

Choose local audio files. Set percentage of audio bitrate. Valid range is 1 to 100, higher numbers indicating higher bitrate and bigger output file size. For example: if the bitrate of input audio is 420 kb, then the bitrate of output audio will be 252 (420 * 60%) kb if the value is set to 60. Decreasing bitrate won't work on lossless audio formats such as WAVE, FLAC or AIFF. We use an alternative compression algorithm for these formats. Finally click the "COMPRESS" button to start processing.

Here are the main audio formats supported:

# Format Format name
1 MP3 MPEG-1 or MPEG-2 Audio Layer III
2 M4A Audio-only MPEG-4
3 AAC Advanced Audio Coding
4 OGG Ogg Vorbis
5 WAV Waveform Audio File Format
6 WMA Windows Media Audio
7 OPUS Opus Audio Format
8 AU Au Auido Format
9 FLAC Free Lossless Audio Codec
10 AIFF Audio Interchange File Format
11 RA RealAudio Audio
12 MKA Matroska Audio
13 AMR Adaptive Multi-Rate
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