Older saves may use a folder named characters instead of characters_local — check both if one doesn't exist. If you're running Valheim on Mac through Whisky/CrossOver instead of the native build, look inside that compatibility layer's emulated AppData folder using the Windows path above.
Skill
ID
Level
Accumulator
Item
Qty
Durability
Slot
Equipped
Quality
Crafted By
Crafter ID
Station
Level
Key
Value
Food
Time Remaining
Value
Player Name
Player ID
Steam ID
Section
Description
World UID
World Name
HomeSpawn / RespawnLast LogoutLast DeathPlayer PinGame MarkerBossExplored Area
Scroll to zoom, drag to pan. Positions use each point's real in-game X/Z coordinates, so distances are relative and to scale.