Find SpEffectParam rows for body buffs (e.g., 3100 for Golden Vow) and increase effectEndurance.
❌ “My game crashes on load.”
✅ You likely saved a param with invalid values. Use Tools > Validate before saving.
❌ “Changes don’t appear in-game.”
✅ Did you remember to launch with Mod Engine 2? Yapped modifies the file; Mod Engine redirects the game to use it.
❌ “I can’t find the ‘Magic’ damage column.”
✅ Look for correctMagic, magicAttackBase, or spAttributeMagic. Field names are cryptic—keep Yapped’s “Paramdex” wiki open on another screen. yapped 1.1.2
Fix: Run as Administrator. Close any other program that might be reading the .bin file (e.g., file explorer preview). Backup and try a completely fresh copy of regulation.bin.
Yapped (Yet Another Param Parser/Editor – probably) is a Windows desktop application that reads and writes the .param and .bnd files found inside FromSoftware’s game archives (the famous Data0.bdt and its siblings). In plain English: it lets you change numbers, flags, and references that control almost every gameplay system.
While other tools exist (DSMapStudio, ParamVessel), Yapped remains beloved for its speed, param name mapping, and intuitive row/column interface. Version 1.1.2 isn’t a revolutionary rewrite—it’s a polished, stable evolution. Find SpEffectParam rows for body buffs (e
| Flag / Setting | Description | Default |
|----------------|-------------|---------|
| --preview / -p | Launch yapped with the live‑preview pane enabled. | false |
| --schema <path> | Path to a JSON‑Schema or OpenAPI spec for validation. | null |
| --preview-theme <light|dark|auto> | Choose preview styling. | auto |
| --diff-on-save | Enable diff highlighting after each save. | true |
All flags are additive to the existing CLI – they can be combined with --watch, --output, etc.
The original developer, vswarte, has slowed active development. However, the open-source community maintains forks. As of late 2024/early 2025, Yapped 1.1.2 remains the recommended stable version, though a fork called Yapped-Spirit (version 1.2) adds DLC support for Shadow of the Erdtree. The original developer, vswarte , has slowed active
If you plan to mod the DLC, you may eventually need to upgrade. For base Elden Ring and most overhaul mods, 1.1.2 is still the standard.
"Complete Yapped Guide for Elden Ring 1.1.2" by TheForsakenOne on Nexus Mods or Discord: SoulsModding. Covers: