How to open an .als file without Ableton

Updated July 2026

Nothing but Ableton Live opens an .als file natively — it's Live's own project format, and no other DAW reads it. But "you need Ableton" isn't the whole answer. Depending on what you actually want to do with the set — keep working on it, just see and hear it, or check what's inside — there are four real routes: convert it to your DAW's format, open it in the browser, use Live's free trial, or read the raw XML. Here's each one, honestly.

The honest starting point

An .als is an Ableton Live Set: gzipped XML describing your tracks, clips, devices, tempo and automation, which references samples stored outside it in the Live project folder. No other DAW opens it — not Logic, not Cubase, not anything else. And if you searched for an "als viewer online": as of mid-2026 there's no mainstream site that renders a Live Set read-only in the browser. Generic open-any-file sites can't parse the format — at best they'd show you the decompressed XML, which you can do yourself for free (option 4).

So pick your route by goal:

• You work in Logic and want to keep working → convert it (option 1).
• You just need to see and hear the session → open it in the browser (option 2).
• You want the full native Ableton view → the free trial (option 3).
• You're curious what's in the file → read the XML (option 4).

Option 1: convert it to a native Logic project

If the point is to keep working on the music and you work in Logic Pro, don't look for a viewer — convert the project. Doseedo converts the .als into a native .logicx project — a real, editable Logic project, not a folder of stems. Tracks arrive in order with names and colors; audio clips keep their fades and clip gain; MIDI notes, CC and pitch bend come across; multi-point tempo and time-signature maps, arrangement markers, volume, pan and breakpoint automation lanes, and buses and sends all carry over. On plugins, the honest picture: stock compressor, reverb, and delay settings map to the destination DAW's native devices with their core controls intact; other plugins arrive placed on the right track as device slots to re-fill — third-party preset state isn't reconstructed. It works in both directions (.logicx → .als too); the full spec is on the what-carries-over breakdown.

Option 2: open the session in the browser

If you don't have a DAW at all — or you're on a machine that can't run one — Doseedo's web studio can import the session and open it in the browser for playback and editing. Not a screenshot or a track list: your session, in the browser, with the arrangement laid out and playable. Sign-in required, free to start.

Because it runs in a browser, it works on machines Ableton never will — a Chromebook, a locked-down office laptop, a friend's computer. Upload the project folder (not just the bare .als — see the gotcha below, or nothing will make sound) and open it in the Doseedo studio. For a quick "what did they send me?" check, this is the shortest path that actually plays the music.

Option 3: Ableton's free trial

If you want the set exactly as its maker sees it and your machine runs macOS or Windows, Ableton's own trial is the most complete answer. As of mid-2026 it gives you Live Suite free for 30 days — the top edition, every stock device included — though the length has changed over the years, so check Ableton's trial page for the current terms. Ableton's help pages note that once the trial lapses you can still open sets but can no longer save or export, so do any bouncing before the clock runs out.

The limits are practical rather than technical: it's a multi-gigabyte install for what might be a ten-minute look, there's no ChromeOS or Linux version, and when the trial ends you're back where you started. Worth it if you'll genuinely evaluate Live; heavy if you just need to check one session.

Option 4: read the raw XML

Because an .als is gzipped XML, you can decompress it (gunzip on the command line, or rename it to .gz and extract) and read the markup in any text editor. Track names, tempo, clip positions and device chains are all in there — this is essentially everything a "viewer" could show you without rebuilding the session. It's a fun way to see how Live stores a set, but it's a curiosity, not a workflow. You can't play, mix or edit a song in a text editor.

The gotcha every route shares: the samples aren't in the .als

Converting, the browser, the trial, even the XML peek — all four run into the same wall if all you were sent is the bare .als: the audio isn't in it. The file references samples by path; the actual recordings live in the Live project folder, usually a Samples subfolder. Open a lone .als and you get missing-media warnings and silent audio tracks; feed one to a converter and there's no audio to carry over.

The fix sits with whoever has Ableton: in Live, run Collect All and Save, which gathers every referenced file into the project folder, then zip and send the whole folder. If you're on the receiving end, ask for the folder, not the file. More on how the format works in our guide to what an .als file is.

Related guides

• What is an .als file (and how to open one)
• Convert .als to .logicx
• Open an Ableton project in Logic Pro
• Every way to move a project between Logic and Ableton, compared