DemoLens

7.0easy start · #11of 22
in Game Replay Analyzers

Free to practise onyes
Well documentedyes
Runs where you workno

Runs on Browser, Web.

DemoLens is ranked #11 of 22 in game replay analyzers on The Geeks Club. It runs on Browser extension, Web. There is a free plan.

DemoLens plans and pricing

All plans

Free Free CS2 demo viewer · FACEIT browser extension demolens.org · 8 Oct 2026

Compared on game replay analyzers

Free plan: Yes
Supported games: Counter-Strike 2
Analysis mode: hybrid
Performance reports: Yes

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The record

Purpose: DemoLens is a browser based 2D viewer for Counter-Strike 2 match demos.
Local processing: Demo files are parsed in the browser using WebAssembly and are not uploaded to DemoLens.
Supported files: The viewer accepts .dem, .dem.gz, and .dem.zst files.
Replay features: The replay includes a multi-level radar, grenade trajectories, player status, key presses, playback speed controls, and kill markers.
Analysis features: Analysis tools include grenade lineup pins, movement trails, heatmap-style pins, FOV cones, drawing mode, and kill-feed badges.
Stats: The viewer provides scoreboard and economy data, player performance metrics, percentile comparisons, and an integrity check against professional baselines.
Voice and chat: For FACEIT demos, DemoLens supports synchronized voice playback, per-player voice timelines with WAV export, and in-game chat translation.
FACEIT extension: The browser extension adds a one-click demo button and player scouting statistics to FACEIT match rooms.
Browser requirements: The viewer requires a desktop browser; the site names Chrome, Edge, and Firefox, and says phones are not supported.
Demo limitation: DemoLens provides a 2D tactical replay rather than a 3D first-person replay.
Privacy: The privacy policy says DemoLens has no accounts, tracking, analytics cookies, or ads, and does not collect personal data.
Translation privacy: If built-in on-device translation is unavailable, using the translate button opens Google Translate and sends it the in-game chat text and player names.
Support: The site lists [email protected] as its contact address.
Project status: DemoLens describes itself as an independently run, non-commercial community project and says it is not affiliated with FACEIT or Valve.
Price from: Free

Where it ranks on The Geeks Club

Best Game Replay Analyzers in 2026#11 of 22

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Sources

demolens.org· checked 8 Oct 2026
demolens.org/privacy· checked 8 Oct 2026
demolens.org/download-faceit-demos· checked 8 Oct 2026
demolens.org/watch-cs2-demo-without-game· checked 8 Oct 2026