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Calibrate yard corners to enable the map

Browser GPS is usually off by 10 to 30 feet. Circles show the uncertainty of each fix. Tap a marker to select it, then drag or nudge it to the true spot. Tap empty grass to place a marker by hand.
Add a marker here?
Adjust marker
Drag the marker on the map, or nudge 1 ft per tap.
Grid snapping records which part of the yard instead of pretending to know the exact inch. Good when GPS is rough.
All data stays on this device. Nothing is uploaded anywhere.
Recent Markers
Calibrate your yard
Stand at the corner shown below, hold your phone still, and capture. The app averages several GPS readings per corner instead of trusting a single one. Tap any saved corner to redo just that one.
Back Leftnot set
Back Rightnot set
Front Rightnot set
Front Leftnot set
Sampling…

Yard calibrated. Corners are locked to the map corners.
About this tool

Dog Poop Tracker

Track where your dog goes in the yard using GPS. Mark, map, and clear poop locations with this free PWA.

Dog Poop Tracker is a free browser-based tool from South Fork Apps. There's nothing to install, no account to create, and no usage limit. Open the page, do the work, and move on.

How it works

  1. Open Dog Poop Tracker in any modern browser on desktop or mobile.
  2. Enter or paste your input into the tool's main field.
  3. Adjust any options shown on the page to match what you need.
  4. Copy or download the result and continue with your work.

Why use a browser tool

Browser tools beat installable apps when the job is small. You don't have to manage updates, sign in, or wait for a heavy program to load. Dog Poop Tracker runs entirely in your browser. Your input never leaves your device, no analytics watch what you type, and the page stops working the moment you close the tab.

Privacy and data

South Fork Apps tools process everything client-side in JavaScript. No server sees your data. Nothing is stored, logged, or sent anywhere. If you're working with sensitive content, you can verify by opening the page once, disconnecting from the internet, and watching Dog Poop Tracker keep working.

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Dog Poop Tracker interface preview
Screenshot of the live Dog Poop Tracker interface.
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v2.0