All free, all in your browser

Every Tool, One Page

Six tools for testing and tuning your mouse — no downloads, no accounts, nothing sent anywhere.

Tests

Measure What Your Mouse Actually Does

Mouse DPI Test

Drag a measured distance to see what your sensor really reports, compared to what you set in software.

Test

Polling Rate Test

Move your mouse to measure its real USB report rate in Hz, with a live graph and consistency score.

Test

Double-Click Test

Catch button chatter from a worn switch, and measure your genuine double-click speed.

Test
Calculators

Dial In Your Sensitivity

eDPI Calculator

Combine DPI and in-game sensitivity into one comparable number, with per-game competitive ranges.

Calculator

Sensitivity Converter

Keep the exact same feel when you switch mice or games, matched on real cm/360 distance.

Calculator

cm/360 Calculator

Find exactly how far you sweep for one full in-game turn, plus a mousepad-fit check.

Calculator
Data

Reference

DPI Accuracy Database

Community-submitted measured DPI results, checked against advertised specs.

Data
Nothing to install, nothing to sign up for.

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