Tool World

Audio Tools

Free online Audio tools on Tool World. Browse every Audio utility by subcategory — no signup required.

Convert

Audio Converter
Convert between MP3, WAV, M4A, and OGG.
FLAC to MP3
Convert FLAC audio to MP3 in your browser.
M4A to MP3
Convert M4A/AAC audio to MP3 in your browser.
MP3 to AAC
Convert MP3 to AAC (M4A) in your browser.
MP3 to OGG
Convert MP3 to OGG Vorbis in your browser.
MP3 to WAV
Convert MP3 to WAV in your browser.
MP4 to MP3
Convert MP4 video to MP3 audio.
WAV to FLAC
Convert WAV to lossless FLAC in your browser.
WAV to MP3
Convert WAV audio to MP3.

Security

Audio Metadata Remover
Strip metadata tags from audio files.

Optimize

Audio Normalizer
Normalize audio loudness toward streaming targets.
Compress Audio
Reduce audio bitrate and size.

Edit

Audio Speed
Change audio playback speed without upload.
Audio Volume Booster
Boost audio volume by a chosen gain factor.
MP3 Tag Editor
Edit MP3 ID3 tags — title, artist, album, year, genre, comment, and cover art.
Merge Audio
Concatenate multiple audio files into one MP3.
Trim Audio
Cut an audio clip by start and end time.