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Tools & making · audio editor

Audiomass

A free, open-source multitrack audio editor that runs in the browser, praised for smooth performance and quick edits without heavy apps. Critics note playback stops when applying effects.

Summarized from 46 comments.

A free, open-source multitrack audio editor that runs in the browser, praised for smooth performance and quick edits without heavy apps. Critics note playback stops when applying effects.

recommend
38
criticize
4
months recommended
3 of 13

Why people love it

Every quote

The 34 most detailed of 46 comments. Each links to the original.

  1. This looks great for quick audio operations without the need to use heavy apps.

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  2. with great changes to the design and feel of calmness and solidity

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  3. your modern interface and browser access are huge selling points

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  4. Really smooth for a web app, especially with multitrack editing.

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  5. It is performs great on chrome on my pretty powerful macbook.

    Mixed · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  6. once loaded the UI remained snappy, so i guess it is usable

    Mixed · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  7. my go to for basic audio editing when I don't need a DAW

    Recommends · Sep 2026 · in “Audacity 4.0”

  8. Great to see how far this has come on. Brilliant work!

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  9. Impressive, congratulations for the nice work.

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  10. Your app has a pretty good and intuitive UX.

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  11. I can see myself using this for quick edits

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  12. This is a very impressive undertaking.

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  13. Brilliant project and great execution.

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  14. this is cool thanks for making it!

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  15. Looks coded with love and fingers.

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  16. This is awesome. Congratulations!

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  17. audiomass is very impressive

    Recommends · Oct 2026 · in “Show HN: Audionaut – an open-source cross-platform multitrack audio editor”

  18. Super cool app you’ve made!

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  19. The PWA/offline mode is underrated. Just stored it locally and now I have a full audio editor that works without internet

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  20. I just picked the first thing in Google that didn't look like shit and didn't try to take my first born child

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  21. This is not directed at the quality of the project itself, however, which seems to be good.

    Mixed · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  22. Audiomass supports the ability to extract elements of it into new pop up windows.

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  23. Had some trouble using it though. I double clicked a sample and got stuck there.

    Mixed · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  24. do we need another garageband-like linear music tool? I would say, no.

    Mixed · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  25. impressively slight in fact, it could probably cope with some more

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  26. selecting an effect stops the playing and you apply it blind

    Mixed · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  27. Significant props for accepting .flac files out of the bat

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  28. I want it to be an app that respects users

    Mixed · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  29. Looks promisimg. Must try the next days.

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  30. I am biased towards it of course

    Recommends · Sep 2026 · in “Audacity 4.0”

  31. The included sample slaps

    Recommends · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  32. Not sure why you remove the tooltips from deactivated buttons

    Criticizes · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  33. i could not find any functionality to detect silence.

    Criticizes · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

  34. Ah yes I miss the preview + space to play.

    Criticizes · May 2026 · in “Show HN: Audiomass – a free, open-source multitrack audio editor for the web”

Counts from 1,795,640 Hacker News comments, Nov 2025 to Nov 2026. How we count · Report a mistake