Free Audio tools

Convert, trim, merge and change the volume of audio files. Everything runs in your browser — fast, free and private.

MP3 Converter & CompressorConvert any audio to MP3 and pick the file size.MP4 to MP3 ConverterExtract the sound from a video and save it as MP3.Trim AudioCut the start and end of a song or recording.Merge AudioJoin several audio files into one track.Change VolumeMake quiet audio louder or loud audio quieter.

Explore other tool categories

all in tool also helps with files, photos, audio and PDFs — all free and private.

File tools

Create and extract ZIP archives, and verify files with checksums.

PDF tools

Merge, split, compress, rotate and convert PDF files.

Image tools

Compress, resize, convert and rotate photos and pictures.