Ultimate ASI Loader
Ultimate ASI Loader: A focused, free loader for low-level ASI plugin support on Windows. Ranked #24 of 26 in Game Mod Loaders by our editors (6.1/10); pricing: Free plan; best for low-level ASI plugin loading.
At a glance
- Editor score6.1 / 10
- PricingFree plan
- Best forLow-level ASI plugin loading
- Free planYes
- Paid fromFree
- Plugin supportYes
- Facts checked20 Sep 2026
Where it wins
- Loads ASI plugins from several game folders
- Supports Win32, Win64, proxy DLLs, and DLL forwarding
- Includes logs, crash dumps, overrides, and conversion support
Where it doesn't
- Windows-only platform coverage
- Supported game coverage is limited to GTA San Andreas and Resident Evil 5
- No load-order, profile, or dependency management
Our verdict on Ultimate ASI Loader
Ultimate ASI Loader is an open-source proxy DLL for loading custom ASI plugin libraries into Windows game processes. It is aimed at users working with plugin-based mod setups for GTA San Andreas and Resident Evil 5, with support for both Win32 and Win64 environments. The loader is typically placed in a game directory under a proxy name such as dinput8.dll, while ASI files can be stored in the game root, scripts, plugins, or update folders.
Its strongest area is low-level loading flexibility. Ultimate ASI Loader supports multiple proxy DLL names, forwards calls to renamed original DLLs, and can override files from an update folder. Configurable total-conversion folders add another way to organize game modifications. The package also generates logs and crash minidumps, which gives users diagnostic information when plugin-based changes cause problems. Optional D3D8-to-D3D9 conversion support and a legacy windowed-mode feature for x86 builds extend its utility for compatible setups.
The trade-off is focus rather than broad mod-management coverage. The published category specifications show Windows support only, with supported games listed as GTA San Andreas and Resident Evil 5. There is no load-order control, profile support, or dependency management, so it is not designed to coordinate complex mod collections through a graphical management layer. Choose Ultimate ASI Loader when direct ASI plugin loading, DLL forwarding, folder overrides, and diagnostic output are the priority. Choose a different type of mod loader when you need wider game coverage or built-in organization for load order, profiles, and dependencies.
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Ultimate ASI Loader pricing
Ultimate ASI Loader fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Supported games | GTA San Andreas; Resident Evil 5 |
| Supported platforms | Windows (Win32 and Win64) |
| Mod loading method | Plugin |
| Plugin support | Yes |
| Load-order control | No |
| Mod profiles | No |
| Dependency handling | No |
| Deployment | Self-hosted |
| Platforms | Windows |
| Support | Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 20 Sep 2026 |
Alternatives to Ultimate ASI Loader
- MelonLoaderA flexible Unity mod loader with plugins, dependencies, debugging, and cross-platform support.9.4
- BepInExA free, open-source loader for multi-framework desktop game modding.9.2
- SMAPIA capable, free loader for Stardew Valley mods, diagnostics, dependencies, and save backups.8.9
See all Ultimate ASI Loader alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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