How to use a Valheim seed viewer to plan your world
A seed viewer is at its best when it's part of a routine, not a one-time curiosity. Here's the full workflow we use: from "someone mentioned a seed" to "portals placed, expedition planned."
Step 1: get the seed
The seed is printed next to each world's name in the game's world list, and you can set one when creating a new world. Seeds are case sensitive — copy, don't retype. (Full walkthrough in our find-your-seed guide.)
Step 2: read the overview
Paste it into the viewer and pause for ten seconds. Look at the big picture: where is land vs. water, how wide is the Meadows belt, do mountains and plains sit near or far? This is the "personality read" — some worlds are farming havens, others are sailing sagas.
Step 3: check the numbers
The locations panel lists boss altars, Haldor and dungeons with coordinates in in-game meters. Distance from spawn is your progress bar for the whole playthrough. A first boss within a thousand meters and a trader within a day trip make life easy; everything else is negotiable.
Step 4: plan the portal network
This is where a viewer pays for itself. Pick two or three anchor points — base, swamp-iron coast, mountain ridge — and note their coordinates. In game, that list becomes your portal book. Build the hub early and every future errand shrinks.
Step 5: share and compare
Hit Random a few times and compare candidates side by side. The viewer's share link embeds the seed in the URL, so your group votes on actual maps instead of descriptions. Nobody has to trust "it's got a really good swamp, I promise."
A note on accuracy
Our viewer follows the 1.0 world structure — including the Deep North — and the same seed always draws the same map. Treat it as a planning layer: verify critical spots in game as you explore, since live-game details can differ from any preview. For reading the map itself, see our seed map explained guide.
Total time for the routine: about five minutes per candidate world. For the cost of one loading screen, you skip the most common Valheim tragedy — twenty hours into a world whose geography hates you.