The web app does the whole study in your browser. Prefire reads the demo on its servers, once, with the same engine as the Windows app, so you get the same five views and the same numbers.
Sign in
Open prefireapp.com/web and sign in with your FACEIT account. Studying needs an active trial or plan: the home page shows how many days of access you have left, and it's where you enter an activation code.
Send it a demo
- Drop a demo on Drop a demo here, or click to choose one. It takes a
.demor a.dem.zstof up to 1.5 GB and uploads it in parts, so a flaky connection only sends a part again, not the whole file. - Click Watch demo in a FACEIT match room, with the browser extension installed and signed in. The extension sends the demo's link to Prefire instead of downloading the file, and the study opens in a new tab.
The queue
Prefire reads one demo at a time, so a new demo may wait its turn. The page shows where it is: Fetching (a demo from FACEIT's link, while Prefire downloads it), In line, Reading, then Ready. You can leave the page: the demo keeps its place and turns up under Recent demos when it's ready.
A demo that anyone has sent before opens straight away: Prefire keeps what it read.
The five views
When the demo is read you see the match: the map, the score and both teams. Pick any of the ten players to open their Positions, Top HEs, Top flashes, Kill spots and Force buys. The five views explained goes through each one.
Save a lineup
Every Top HEs and Top flashes card has a Save button. A saved lineup goes to your library with its throw, the keys that threw it and its setpos line, so you can learn it on an empty server before your next match on that map.
The library
Saved lineups lists everything you've saved, grouped by map. Open one and its throw replays on the radar. You can rename it, add a note, copy its setpos or delete it. A saved lineup is a copy, so it stays after the demo it came from has gone.
History
Recent demos, on the home page, lists the demos you've sent or opened, newest first. Click one to reopen the match. When a demo's results have expired, its entry stays and says to send the demo again.
Limits
| What | The limit |
|---|---|
| Demo size | Up to 1.5 GB |
| Files | .dem and .dem.zst |
| New demos | 20 a day per account. Opening a demo someone already sent doesn't count. |
| Saved lineups | Up to 500 |
| Results | Kept for up to 90 days after the demo was last opened |
Prefire deletes the demo file as soon as it has read it, and keeps only the results.