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Why us

Why CanIRun.gg

Everything runs in your browser. We detect your hardware, compare it against game requirements, and give you a grade — no installs, no accounts, no data sent to servers.

  • Runs in your browser
  • No account
  • Free
Save file · what we keep about you
  1. 01 Name empty
  2. 02 Email empty
  3. 03 Account empty
  4. 04 Password empty
  5. 05 Your hardware your browser only

Personal data we ask you for0

The combo

Four moves, zero installs

  1. 01

    Detect

    WebGL scans your GPU model. Navigator API reads CPU cores and RAM.

  2. 02

    Match

    GPU name matched against our database of 182 GPUs with performance scores.

  3. 03

    Score

    Your hardware score is compared against each game’s recommended requirements.

  4. 04

    Grade

    Each game gets a grade from S (overkill) to F (can’t run).

Detection

How we read your hardware

Three browser APIs, zero downloads. Your data never leaves your device.

WebGL

GPU identification

We create a hidden WebGL canvas and query the debug renderer info extension to get your exact GPU model.

gpu.js
const gl = canvas.getContext('webgl');
const ext = gl.getExtension('WEBGL_debug_renderer_info');
const gpu = gl.getParameter(ext.UNMASKED_RENDERER_WEBGL);
→ "ANGLE (NVIDIA, GeForce RTX 3060 Direct3D11...)"
Navigator

CPU & RAM

Standard browser APIs expose core count and approximate memory.

specs.js
const cores = navigator.hardwareConcurrency;
→ 8
const ram = navigator.deviceMemory;
→ 8 (capped, Chromium only)

Firefox and Safari don’t support deviceMemory. Use the dropdown to set RAM manually.

Manual

Override anything

Browser detection is limited. That’s why every spec has a dropdown — select your exact GPU, CPU, and RAM from our database for accurate results.

182GPUs 97CPUs 13,000+Games

Algorithm

How scoring works

Simple ratio-based comparison weighted by component importance.

GPUYour GPU score RECGame’s recommended GPU score ×Ratio GPU 70%RAM 30%
  1. S

    Overkill ≥ 2.0x

    Your PC destroys this game

  2. A

    Smooth ≥ 1.3x

    Runs great at high settings

  3. B

    Solid ≥ 1.0x

    Meets recommended specs

  4. C

    Tight ≥ 0.75x

    Between minimum and recommended

  5. D

    Struggles ≥ 0.5x

    Below minimum, may struggle

  6. F

    Won't run < 0.5x

    Hardware too weak for this game

Play with the ratio in How it works →

Data

Where it comes from

  • Steam Store API

    Game metadata, system requirements, screenshots, pricing, genres

  • Steam Player Stats

    Concurrent player counts for trending rankings

  • Hardware benchmarks

    Performance scores based on public specifications

  • detect-gpu

    WebGL renderer string to GPU identification

Data updated daily at 6:00 AM UTC via automated pipeline.

Privacy

Your data stays yours

  • All detection runs in your browser
  • No personal data collected or stored
  • No accounts, no personal data, only aggregate analytics
  • Selections saved in localStorage (your device only)
  • Only server call: GPU name lookup (no identifiers sent)

Read full privacy policy →