Guides

Practical how-tos, no fluff.

Clear, step-by-step guides to getting the most out of every tool here. Each one is\n backed by a free tool that runs entirely in your browser, with no sign-up.

Bass Booster 5 min

How to Boost Bass Online

Give a thin recording more punch with a simple boost, or cut boomy rumble, without leaving your browser.

Read guide
Speed Changer 5 min

How to Change Audio Speed Online

Fast-listen a lecture, slow a song down to learn a part, or nudge a clip to fit, without making voices sound squeaky.

Read guide
Mono ↔ Stereo 4 min

How to Convert Mono to Stereo

Make a single-channel file play through both speakers, or fold a stereo file down to mono, in one step.

Read guide
Fade In / Out 5 min

How to Fade Audio In and Out

Stop your track starting with a click or ending with an abrupt cut. Set a fade in and a fade out in seconds.

Read guide
Ringtone Maker 5 min

How to Make a Ringtone from an MP3

Cut the catchiest few seconds of a song into a ringtone-length clip, with a clean fade, and set it as your ringtone.

Read guide
Silence Remover 5 min

How to Remove Silence from Audio

Tighten a recording in one step by cutting the quiet starts, endings and long pauses, with control over how strict it is.

Read guide
Reverse Audio 4 min

How to Reverse Audio Online

Flip a clip back to front for reverse effects, build-ups, backwards speech, or just to hear what is hiding in a track.

Read guide
Pitch Shifter 5 min

How to Shift Audio Pitch Online

Move a song into an easier key to sing, match two tracks, or create an effect, all while the timing stays exactly the same.

Read guide
Change Volume 5 min

How to Increase or Lower Audio Volume Online

Boost a recording that is too quiet, tame one that is too loud, or even out a track with normalize, without uploading anything.

Read guide
Audio Converter 5 min

How to Convert Audio to MP3 (and Between WAV, OGG, M4A)

Pick the right format for where your audio is going, and convert between MP3, WAV, OGG and M4A without uploading a thing.

Read guide
Audio Editor 6 min

How to Edit Audio Online Without Installing Anything

Open a track, work on its waveform, and handle the everyday edits (cut, fade, amplify, clean up) without installing a thing.

Read guide
Extract Audio 5 min

How to Extract Audio From a Video (MP3 or WAV)

Lift the audio out of a video for a podcast, a transcript or a music file, with the video staying on your device the whole time.

Read guide
Merge Audio 5 min

How to Merge Audio Files Into One Track

Stitch voice notes, podcast segments or song parts into one continuous track, in the order you choose, without uploading anything.

Read guide
Voice Recorder 5 min

How to Record Your Voice Online With No Sign-Up

Capture a voice note, a voiceover or an idea straight from your mic, with no account and nothing uploaded, then download MP3 or WAV.

Read guide
Trim Audio 5 min

How to Trim Audio Online (and Use It as an MP3 Cutter)

Set in and out points on a waveform to cut a ringtone, a sample, or a single line out of a longer recording, then export MP3 or WAV.

Read guide

Skip the reading — just use the tools

Every guide is backed by a free, in-browser tool. Browse them all.

See all file tools