E EasyTest
This tool works best on a desktop browser.

Audio Cutter

Drop a WAV file here or click to choose one
Opens multi-hour recordings · your file never leaves your computer
Analyzing waveform…
0:00:00.0 / 0:00:00
Drag: scrub · Shift+drag: create region · drag a boundary: resize · click: seek/select
#Label (appended to the file name) StartEndLength

Auto-split by silence

Scans the waveform and creates one region per loud span. Tweak and re-run freely — it's undoable.

Shortcuts

SpacePlay / pause
Seek 5s (Shift = 1min, Alt = 1s)
BSplit at the playhead (press at each boundary while listening)
I / OMark region start / end → Enter to add it
EnterAdd a region from the marked start/end
EscClear marks / deselect
XExclude / re-include the selected region (cut it from the audio)
Delete / Delete the selected region from the list
DragScrub the waveform while listening
Shift+DragCreate a region
[ / ]Jump to the previous / next region boundary
FZoom to the selected region (or the one at the playhead)
+ / / 0Zoom in / out / fit all
Home / EndJump to the start / end
⌘Z / ⌘⇧ZUndo / redo