MaskMyXYZ
A web-based tool for geographically masking (anonymizing) spatial (point) data. Runs run the client side so there's no risk of your data being exposed. If you're still worried, just load the page and then go offline!
A web-based tool for geographically masking (anonymizing) spatial (point) data
A web-based tool for geographically masking (anonymizing) spatial (point) data