Welcome to the JOSM online help system

1. Getting Started
   1. Within this wiki
   2. In the OSM-wiki
   3. Openstreetmap in general
2. Concepts
3. JOSM interface
   1. Map View
   2. Main Menu
   3. Toolbars
   4. Toggle Dialogs
   5. Status Bar
   6. Other dialogs
4. JOSM Plugins
5. JOSM error messages

From JOSM you can reach this page

• by clicking the menu item Help -> Help
• by clicking on a help button in one of the JOSM dialogs
• by pressing F1

Please help to improve online help information.
This help might get outdated from time to time. Please help improving it by fixing parts that are missing or outdated - this is a wiki!

Getting Started

Within this wiki

• Introduction to JOSM
• How Tos about JOSM
• Audio mapping: playing voice notes and synchronizing them with your GPS tracks in JOSM
• Keyboard shortcuts

In the OSM-wiki

• ​JOSM page
• ​JOSM Guide

Openstreetmap in general

• ​Openstreetmap wiki
• ​FAQ about OSM in general
• ​Map features

Concepts

• Objects - explains what objects maps consist of and how these objects are described in detail
• Conflict - explains the basics of conflicts, why they occur, how they are detected and how you can resolve them
• Changeset - explains why you create a changeset when you upload data to the OSM server

JOSM interface

Map View

• Map View - The main area, where editing takes place

Main Menu

Depending on which plugins you have installed you may have more options on this menu.

• File
• Edit
• View
• Tools
• Selection
• Presets
• Imagery
• Windows
• Audio
• Help

Toolbars

• Main Toolbar - the toolbar above the main JOSM window.
  This toolbar is highly customisable, with the ability to add and remove menus items from the preferences dialog.
• Edit Toolbar - the toolbar down the left hand side of the main JOSM window

Toggle Dialogs

• Toggle Dialogs - right part of JOSM window

Status Bar

• Status Bar - bottom panel of JOSM window

Other dialogs

• Changeset Manager - query, download, view, and close changesets
• Conflict Dialog - use the Conflict Dialog to resolve conflicts.
• History Dialog - browse the history of a node, way, or relation
• Relation Editor - use the Relation Editor to create and/or modify relations
• Preferences Dialog - view and change the preferences of JOSM.
• Unsaved Changes Dialog - dialog to warn and offer upload/save function if a data layer is deleted.
• Upload Dialog - information about the pending upload, comment-field and many options

JOSM Plugins

• A list of available plugins can be found at the plugin page
• Plugin descriptions within JOSM help
• Information and Documentation about various JOSM plugins can also be found starting from the ​JOSM-Plugin page in the OSM-wiki

JOSM error messages

• Error messages