Open an .als file without Ableton
An .als is gzipped XML, so it can be read anywhere — including here. Drop one in and see its tempo, tracks, devices, the plugins it needs and the audio it points at.
What this tells you that opening it would not
The reason to look inside a set before loading it is almost always the same: you want to know what it is going to ask for. Live tells you about missing plugins and missing samples after you have opened the project, one dialog at a time. This lists them up front.
The plugin list is the important one. A set that leans on Serum, Omnisphere or FabFilter loads with those tracks silent if you do not own them — the arrangement is intact and the sound is gone. Knowing that before you agree to finish someone's track is worth the thirty seconds.
Why an .als never contains your audio
An Ableton Live Set stores the arrangement, not the recordings. Every audio clip is a reference to a file elsewhere on the disk it was made on. Send the .als alone and the arrangement arrives perfectly and every clip is empty — which is why the sample list above matters, and why projects should travel as a folder or a Collect All and Save.
Reading it is not the same as editing it
This page reads. To actually work on the music you need a DAW that understands the format — Ableton Live, or a real conversion into one you already own. Doseedo rebuilds the set as a native Logic Pro project: tracks, MIDI, automation, tempo and meter maps, markers, buses and sends, all editable. Stock devices map to their Logic counterparts; third-party plugins arrive on the right track as slots to re-fill, because no converter can turn Serum into something Logic ships.
Questions
Can you open an .als file without Ableton Live?
You can read one. An .als is gzipped XML, so this page decompresses it in your browser and shows what is inside. To edit the music you still need a DAW — Ableton Live, or the set converted into a native Logic Pro project.
Is my project uploaded anywhere?
No. The reader runs entirely in your browser. The file never leaves your device and nothing is stored. Converting is a separate step you choose afterwards.
Why does my .als contain no audio?
It never does — it points at your audio files by path instead of embedding them. That is why a set sent on its own arrives with empty clips.
Can it read a Logic .logicx file too?
Not here — a .logicx is a macOS package, a folder the Finder shows as one icon, so a browser cannot read it from a drop. The converter takes it and rebuilds it as a native Ableton set.