Always backup your original save and profile.sav before making changes.

Save and YAML section
Data validation (Legit Builder)

Same legit-builder-core checks as the standalone pages β€” open in a new tab.

YAML Backpack Editor: Import, edit, and export backpack items from YAML files.

Same store as the save: Steam PC β†’ 17-digit SteamID64; Epic PC β†’ Epic id (often hex). Remembered locally for next time.

Save File Operations:

Select and convert .sav files to YAML. Character and profile.sav use the same encryption; pick the matching file then Convert .sav to YAML.

Detected: β€” paste or load YAML to classify this editor.
Character Stats Editor (Lines 5-13):
Difficulty:
Runtime status>
Load or paste YAML β€” preset rows enable by save type (character vs profile).
Profile Only
World / Missions
Character / Progression
World / Challenges
Items
Two YAML types: (1) Character β€” begins with state: (e.g. inventory under state.inventory). Character / Items buttons apply here. (2) Profile β€” includes domains.local.unlockables (often below inputprefs / UI). Profile Only buttons merge into that tree; missing domains / unlockables paths are created if needed.
Advanced YAML Edits
Ammo
Auto-detects repkit / repairkit and preserves formatting
(Load YAML to list ammo keys)
Shiny Gear Unlocks
(Load YAML to list shiny gear flags)
Missions
Edits are format-preserving: only the selected status: line is changed.
Found Serials (0): β€” Load for names, levels & deserialized codes
Duplicate backpack or bank

Copies every filled slot into new slots. Set a level first if you use the β€œat level” buttons.

Merge items from another YAML

Appends items from another YAML into this save (character β†’ backpack, profile β†’ bank). Your current editor text stays the base.

Builder import buffer

Serial search Add Selected to Editor and each backpack row’s Import fill this area (Base85 is converted to deserialized when possible). Copy into the full toolbox paste/import box, or use Append to Add serials below.

Serial Search & Library

Type a name or ID to browse the catalog. Select items, then add them to YAML, bank, or the editor.

Paste serials (YAML/TXT/JSON)
Loading catalog…
Add New Item to YAML:

Paste @U serials (one per line) or JSON with a serial field. Character saves β†’ backpack; profile saves β†’ bank.

Ctrl+Enter in the box also adds
Next available slot:
Build stats (core snapshot)
Core Snapshot
Model estimate β€” coarse buckets, not in-game DPS. Uses YAML, import buffer, and add-serials text. Full lines and per-bucket breakdown below.
Debug