Cut any audio file in your browser: drop it, drag the start and end points on the waveform, preview the edges, download a lossless WAV of the selection. Nothing uploads - it works offline.
Drop an audio file here, or click to choose
MP3, WAV, AAC/M4A, OGG - decoded locally, never uploaded
Cut on silence or just before a transient (a drum hit, a word's consonant) and the edit is inaudible; cut mid-note and you get a click. The waveform shows you where the quiet moments are - aim your handles at the valleys. For changing a clip's tempo or key rather than its length, use the speed changer; to check levels on the result, the audio analyzer reads LUFS and true peak.
Drop the file here, drag the start and end sliders until the highlighted region covers what you want to keep, hit preview to check the edges, and download. The file decodes and exports entirely in your browser - nothing is uploaded, so a 50 MB file trims as fast as your machine allows.
Anything your browser can play: MP3, WAV, AAC/M4A, OGG, and in most browsers FLAC. The trimmed export is always an uncompressed 16-bit WAV at the source sample rate - lossless from the decode onward, and accepted by every editor, DAW, and player.
Browsers decode MP3 natively but do not encode it. Rather than ship a multi-megabyte encoder or round-trip your audio through a server, this tool exports lossless WAV. If you need MP3 for size reasons, convert the WAV afterwards - you lose nothing by trimming first.
No. Decoding, trimming, preview, and export all happen locally with the Web Audio API. The page works offline once loaded, and your audio never leaves your device.
Yes - trim to under 30 seconds and export. iPhones want ringtones in M4R (convert the WAV in iTunes/Finder or GarageBand); Android accepts WAV and MP3 directly in most ringtone pickers.
Generate single tones with precise frequency control. Perfect for quick audio testing and tuning.
Play multiple frequencies simultaneously with independent volume and panning controls.
Create linear or exponential frequency sweeps for speaker testing and room acoustics analysis.
Generate binaural beats for meditation, focus, and relaxation. Requires headphones for proper effect.
Generate telephone dial pad tones (Dual Tone Multi Frequency). Interactive touch-tone dial pad.
Professional metronome with tap tempo, time signatures, subdivisions, and tempo trainer for musicians.
Tap along to any song to find its tempo in beats per minute. Includes tempo markings reference.
Hear major, minor, diminished, and seventh chords in every key. Block chords or arpeggios.
Hear classic progressions like I-V-vi-IV and 12-bar blues in any key at any tempo.
Free browser piano with 3 octaves, note names, and computer keyboard support.
Generate white, pink, and brown noise for sleep, focus, tinnitus relief, and speaker burn-in.
Reference tuning notes for guitar, bass, ukulele, violin, cello, and more at concert pitch (A440).
Test your subwoofer with a 60-second frequency sweep (150Hz-1Hz) and individual bass test tones.
Test your hearing range from 8kHz to 20kHz. Find your hearing age and compare with averages.
Ancient healing tones including 528Hz (DNA repair). For meditation, chakra activation, and spiritual healing.
Test stereo balance with panning control and left/right channel testing. Perfect for speaker setup.
Check speaker wiring polarity by comparing in-phase and out-of-phase test signals.
Measure your Bluetooth or system audio delay in milliseconds with a click-and-flash sync test.
Real-time frequency analysis of your microphone input with a live log-frequency display.
Measure approximate sound levels with your microphone - live dB with min/avg/max tracking.
Check your microphone in seconds: live waveform, level meter, and record-and-playback check.
Learn to recognize musical intervals by ear with quiz mode, score tracking, and song mnemonics.
Chromatic pitch pipe with all 12 notes across 3 octaves. Perfect for singers, choirs, and a cappella groups.
Experience the auditory illusion of an infinitely ascending or descending tone. Mind-bending psychoacoustic phenomenon.
Can you hear the mosquito tone? High-frequency test (15-20kHz) that only young people can hear. Find your hearing age!
Create relaxing ambient soundscapes with singing bowls, nature sounds, and binaural beats.
Push water out of a wet phone or watch speaker with a pulsed 165 Hz tone - the same method Apple Watch uses.
Adjustable high-frequency whistle (8-22 kHz) for dog training - clearly audible to dogs, silent to most adults.
Rhythmic pulsed tones across delta to gamma ranges. Stronger than binaural beats and works without headphones.
Name 12 random notes with no reference tone and find out if you have absolute pitch or great pitch memory.
Sing your lowest and highest notes and get your range plus voice type - bass to soprano. Mic-based, nothing uploaded.
Find the highest frequency you can hear (8-20 kHz) and see how old your ears test. Takes one minute.
16-step beat maker with synthesized 808-style drums, swing, and shareable pattern links.
Drop a file and get integrated LUFS, true peak, RMS, and a waveform - measured locally, nothing uploaded.
Microphone tuner with a cents needle - play any note on any instrument and tune to ±5 cents.
Five-minute headphone checkup: channels, wiring polarity, bass and treble reach, and driver distortion.
Send noise to each 5.1 channel - fronts, center, surrounds, and subwoofer - and catch swapped or dead speakers.