Working offline
Locodex Planner keeps working without a connection. The editor loads from an on-device cache instead of the server, so you can open and edit a layout on a train, in a workshop, or anywhere the wifi drops.
How it works
The first time you open a layout while online, the planner quietly saves a copy on your device — the layout itself, the track catalogue (so piece geometry can be rebuilt), and your account details. From then on, opening that layout works whether or not you have a connection.
Offline, your edits save to your device first. When you reconnect, they sync up to the cloud automatically (on the tiers that include cloud sync). You don't have to do anything — keep building, and it catches up when the network comes back.
Installing the app (see Install the app) is worth doing for offline use: an installed app gets more durable on-device storage than a browser tab, so your cached layouts are less likely to be cleared.
What works offline
- Opening any layout you've already opened online at least once.
- Placing, moving, rotating, joining, and deleting track — the full editor.
- Validation, polarity, the 2D/3D views — they all run on your device.
- Pro features, if you own the eternal license. Your license is verified on-device from a signed token (saved after you sign in online), so Pro modules and capabilities stay unlocked with no connection — there's no live licence check to fail offline.
What still needs a connection
- A layout you've never opened on this device — there's no local copy to load yet.
- Creating a brand-new layout, signing in, subscribing, sharing, and exporting all still need the network.
If you open a layout offline that was never cached, you'll be sent back to your bench rather than shown an empty editor.