Remove silence from audio
Cut the dead air out of a recording — just the ends, or every pause in it.
Two different jobs behind one tool. Trimming the ends removes the fumbling before you started talking and the reach for the stop button afterwards, and leaves the middle exactly as recorded. Removing every pause is for lectures and interviews: an hour of hesitant speech often comes out closer to forty minutes, and it is the one thing on this site that no obvious desktop tool does for free.
How to use it
- Add the recording.
- Choose whether to trim the ends or remove every pause.
- Press Remove the silence and download the result.
Why use this tool
Completely private
Everything runs inside your browser. Your files and text are never sent to a server.
Free, with no limits
No sign-up, no watermarks and no cap on how many times you can use it.
Instant results
There is no upload or queue to wait for, so results appear as fast as your device can work.
Works on any device
Runs in any modern browser on phone, tablet or desktop. Nothing to install.
Frequently asked questions
- What does the threshold do?
- It sets what counts as silence. Minus 50 decibels is about the level of a quiet room and is a safe default. Moving it towards minus 30 makes it more aggressive and starts clipping the ends of quietly spoken words.
- Will it sound unnatural?
- It can, if you remove too much. Speech needs its pauses to be followed, which is what the shortest-pause setting protects: pauses longer than it are shortened rather than deleted, and anything below half a second usually sounds rushed.
- Why is trimming the ends slower on a long file?
- Because there is no way to trim the end directly. The audio is turned round, trimmed from what is now the front, and turned back — and turning it round means holding all of it in memory at once.
- Can I use this on a video?
- Not directly, because it would put the sound out of step with the picture. Extract the audio first if you only need the sound.