Tracker

TRACKER

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About

ACQUIRING GPS

REC

Date

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Time

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Latitude

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Longitude

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Speed

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Accuracy

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Distance

0.00 km

Altitude

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Heading

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Map Zoom

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Save Activity

Enter a name for this activity:

Activity History

Select an activity

About

TRACKER

v1.0.0 · GPS Activity Tracker

A progressive web app for recording hiking and outdoor activities with real-time GPS tracking, route visualization, and activity history.

Works offline after first load. Install to home screen for the full native experience on iOS and Android.

Built with Leaflet.js + OpenStreetMap.

github.com/psiborg/Tracker

Offline Maps

Area Name

Label to identify this download

Map Layers

🗺 OpenStreetMap 🏔 OpenTopoMap

Zoom Range

Min Zoom 10

Overview tiles — small files, wide area

Max Zoom 16

Detail tiles — larger files, more storage

Estimated: calculating…

0 / 0

Settings

Recording

Smooth Route Lines

Apply EMA filter to reduce GPS jitter on the drawn path

Jitter Filter 3 m

Minimum movement distance before a point is recorded

Data Points

Record Interval

How often a point is saved. Lower = more detail, more storage

GPS Poll Rate

How often the GPS hardware is queried

Accuracy Filter

Discard points worse than this accuracy (metres)