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Add chapters to a podcast

Mark where each chapter starts on the timeline, name it and save an MP3 or M4A with chapters. Copy the “00:00 Intro” list into your episode or video description.

  • Nothing is uploaded
    your audio stays with you
  • No cookies
    and no sign-up

Drop audio here

or

Choose files

MP3, M4A, WAV, OGG, FLAC and video · several at once

Done in three steps

  1. 1

    Choose files

    Drag audio or video into the window, or pick it from your computer or phone. You can also record.

  2. 2

    Choose the edit

    The editor opens on the Save panel. Add a chapter at the cursor with the Chapter button or the M key, and rename it in the chapter list.

  3. 3

    Download

    One by one or all in a single ZIP. On a phone you can share them directly.

Background musicPut the voice and the music on separate tracks. The music automatically gets quieter every time you start talking and comes back up in the pauses. Audio to textThe Whisper model transcribes speech in English and dozens of other languages, with the time of each word, and even tells speakers apart. Deleting words in the text cuts the audio too. Convert to MP3MP3 plays on every device, car stereo and speaker. Add any audio or video and convert it all at once at the quality you choose. All audio toolsCutting, converting, multiple tracks, recording, noise removal and speech transcription in one place.

Nobody peeks. Not even us.

You edit audio right in your browser and it never leaves your device. Nothing is uploaded to a server, so not even we can hear it.

Frequently asked questions

Which players show the chapters?

Apple Podcasts, Overcast, Pocket Casts and other podcast players in MP3 (ID3 CHAP), and VLC and foobar2000 in M4A too. We also write chapters to OGG and FLAC.

Can I paste chapters from text?

Yes. Choose Paste from text and paste lines like “00:00 Intro” and “12:30 Interview” – from an episode description, for example.

Do chapters move when I cut the audio?

Yes. When you cut out a part, the chapters after it move along, so they still land on the same spot in the speech.

Are my files uploaded to a server?

No. Audio and recordings are processed right in your browser and never leave your device. Only the tool itself is downloaded from our server, the same for everyone. More in the privacy policy.