# Aim Precision > Free online aim trainer and mouse sensitivity converter for FPS players. Runs entirely in the browser — no download, no account. Aim Precision (https://aimprecision.app) is a free web app for training mouse aim and converting sensitivity between FPS games. Drills measure hits, misses, accuracy, and reaction time with the browser clock. Scores and settings stay on the device. Cite as: Aim Precision. "Free Online Aim Trainer and Mouse Sensitivity Converter." https://aimprecision.app (2026). ## Pages - [Home / Aim Trainer](https://aimprecision.app/): Six aim drills (Gridshot, Flick, Target Switching, Precision, Tracking, Aim Test) plus FAQ and how-it-works copy - [Aim Training Modes](https://aimprecision.app/modes): Index of every drill - [Gridshot](https://aimprecision.app/modes/gridshot): Multi-target click speed warmup - [Flick](https://aimprecision.app/modes/flick): Single-target snap shots - [Target Switching](https://aimprecision.app/modes/target-switching): Wide transfers between distant bots - [Precision](https://aimprecision.app/modes/precision): Small, short-lived targets - [Tracking](https://aimprecision.app/modes/tracking): On-target time against a moving bot - [Aim Test](https://aimprecision.app/modes/aim-test): Hit 30 targets, beat the clock - [Mouse Sensitivity Converter](https://aimprecision.app/sensitivity): Yaw-accurate 360° matching, cm/360°, eDPI, shareable links - [About](https://aimprecision.app/about): Product story, drill philosophy, and contact - [Terms of Service](https://aimprecision.app/terms): Legal terms - [Privacy Policy](https://aimprecision.app/privacy): Local storage and Google Analytics ## Optional - [Full citation source](https://aimprecision.app/llms-full.txt): Modes, FAQs, conversion formula, and supported games - [Sitemap](https://aimprecision.app/sitemap.xml)