📍 Utilities

Map Points

Plot geographic coordinates (latitude/longitude) on an interactive OpenStreetMap. Add markers by clicking the map or entering coordinates.

Click the map to add a point, or fill in the coordinates below.

Latitude

Longitude

Label (optional)

Added points

No points added yet.

How to use?

Tap anywhere on the map to drop a marker there. Another option is to enter the latitude and longitude by hand and click Add marker. Whenever you want to save the list of points, use the Export CSV button.

Plot coordinates on a map

Loose latitude and longitude in the abstract are confusing, because no number tells you where anything is. The tool drops those coordinates onto an interactive map, based on OpenStreetMap, so you can see the points in their real place.

Markers go in two ways. You can click directly on the map, which shows the point's coordinates, or type latitude and longitude to pin an exact position. It comes in handy for checking GPS data, visualising a list of places, planning a route or just figuring out where a pair of coordinates lands.

The map loads in the browser from OpenStreetMap, and the points you add stay only on your screen. It's a practical way to turn numbers into geography.

Frequently asked questions

Do the markers survive when I close the page?

No. The points live only in the tab's memory: reloading, closing the window or clicking Clear all wipes the whole list. To keep them, use the export button, which downloads a pontos.csv file holding the columns label, latitude and longitude. And there is no way back in: the tool imports neither CSV nor a list of coordinates, so a long set of addresses has to be re-entered marker by marker.

What format should the latitude and longitude be in?

Decimal degrees, with a dot before the decimals and a minus sign for south and west: Sao Paulo sits at -23.5505 and -46.6333. Degrees, minutes and seconds, in the style 23°33'01'' S, will be rejected and have to be converted first. A latitude outside -90 to 90, or a longitude outside -180 to 180, triggers the red warning and no marker gets created. Click straight on the map instead and the label arrives filled with the coordinates rounded to five decimals.

Who else sees the points I drop on the map?

Nobody. The map imagery comes from OpenStreetMap servers, which receive the request for the tiles covering the area on screen, but the markers themselves are drawn by your own browser and never leave it, neither the label nor the coordinates. Maximum zoom is 19, close enough to make out rooftops in most cities; when a point arrives through the form, the map flies to it at zoom 12 or tighter.

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