Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
Drop your long audio file
Pick a split mode — every N seconds, manual markers, or silence
Download every part individually or all at once
0 bytes uploaded. Audio Splitter (by Time or Silence) runs entirely in your browser using FFmpeg.wasm 8.1, RNNoise, and the Web Audio API. Your audio stays on your device at all times. No data is sent to any server — critical for sensitive interviews and confidential calls.
Yes — silence-based splitting detects pauses and creates one file per spoken segment. Tune the silence threshold for your recording's noise floor.
Cut start/end timestamps from any audio file. JAD re-encodes once at the source quality — your file never leaves the browser.
Open toolDetect and cut silences below a threshold (default -40 dB, 0.5 s minimum) from any recording. Tighten interviews and solo podcasts in seconds.
Open toolConcatenate MP3, WAV, FLAC, M4A files end-to-end. Optional crossfade between tracks. All processing local.
Open tool