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How to record your voice online and edit it

Sometimes you just need a quick voice recording — a voiceover, an audio note, a pronunciation sample, a draft podcast segment. Instead of hunting for an app, you can record straight from your microphone in the browser, then trim and clean it up in the same place. The recording stays on your device the entire time.

This guide uses the free AudioTrim editor. You'll need a microphone (your laptop's built-in mic is fine) and a browser that can access it, which all modern browsers can.

Step by step

  1. Start a recording. On audiotrim.app, click Record from microphone. Your browser will ask permission to use the mic the first time — click Allow. (This permission is between you and your browser; no audio is sent anywhere.)
  2. Speak. Record your take. Watch the level so you're not too quiet or peaking into distortion. Leave a second of silence at the start and end — it gives you room to trim cleanly later.
  3. Stop. End the recording. It loads straight into the editor as a waveform, ready to edit.
  4. Trim the ends. Cut the silence or "okay, here goes" at the front and any trailing pause at the end. Select the part to remove and click Cut.
  5. Fix the volume. If you recorded too quietly, click Normalize to bring the level up, or nudge the Volume slider. Normalize is the easy button for getting a consistent, audible level.
  6. Add fades (optional). A quick Fade in and Fade out remove any clicks at your trim points and give a tidy start and finish.
  7. Download. Export as MP3 (128 kbps is great for voice) or WAV for maximum quality.
Tip for cleaner audio: Record in a small, soft room rather than a large echoey one, keep the mic a hand's width from your mouth, and turn off fans or music. Good input beats any amount of editing.

Re-recording and retakes

If a take doesn't work, just record again — the new recording replaces the old one in the editor. If you want to keep several takes and join the best parts, record them separately, download each, and use Append file to merge them into one track. For a single clean take, though, recording and trimming in place is the fastest path.

Frequently asked questions

Does my recording get uploaded?

No. The audio is captured and edited locally in your browser. Granting microphone access lets the page hear your mic; it doesn't send the recording to a server.

Why won't my microphone work?

Check that you clicked Allow on the browser's permission prompt, that the right mic is selected in your system settings, and that no other app is holding the microphone. Reloading the page and trying again usually resolves it.

How long can I record?

Long enough for voiceovers, notes and podcast segments. Because it's held in your device's memory, very long sessions depend on available RAM.

What format should I save?

MP3 at 128 kbps for sharing and voice notes; WAV if you'll edit it further elsewhere.

Start recording →

Related: How to trim a recording · How to add fades · All guides