Audio Trimmer — Free, Private & Offline
Trim Audio free, online and 100% offline — cut clips with a waveform editor. Private & secure: files never leave your device, no upload, no sign-up.
Also great for: trim audio, free trim audio, trim audio online, free online trim audio, offline trim audio, private trim audio.
What is Audio Trimmer?
Audio Trimmer lets you cut a section out of an audio file using a visual waveform editor powered by ffmpeg.wasm. For MP3 input the trim is lossless (`-c copy`), so quality is preserved bit-for-bit.
How to use Audio Trimmer
- Open Audio Trimmer — it loads instantly and runs entirely in your browser.
- Drop your file in. Nothing is uploaded; the file stays on your device.
- Adjust the available options to match exactly what you need.
- Get your result — private, offline and free.
Use cases
- Free, offline trim audio for confidential files you don't want to upload anywhere.
- Work with sensitive material privately on locked-down or air-gapped devices.
- Quick one-off trim audio when you just want a result without signing up or paying.
- High-volume work where a cloud SaaS would be slow, costly or non-compliant.
Frequently asked questions
Is Audio Trimmer free?
Yes — Audio Trimmer is completely free with no paywall, trials or usage caps. Every TabTasker tool is free forever.
Does Audio Trimmer work offline and keep my files private?
Yes. Audio Trimmer runs 100% client-side in your browser using Web Workers and modern browser APIs. Your files are never uploaded and it keeps working offline once the page has loaded.
Is this trim audio tool better than online tools that upload my files?
For privacy, yes. Most online trim audio services upload your files to a server. TabTasker does everything locally, so nothing leaves your device — ideal for sensitive or confidential documents.
Do I need to create an account or install anything?
No. No account, no extension and no install — just open the page and start. It works on any modern browser, desktop or mobile.