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SPECIFICTION
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Game Asset Tool

sanchei.itch.io

Free plan Windows
Visit sanchei.itch.io
Spec score 7.7 #11 of 24 in Game Asset Extractors

What it is

Game Asset Tool scans a game folder or supported file, then extracts assets detected for its engine. It is a free Windows tool for collecting, previewing and diagnosing assets from visual novels and indie games, with batch extraction available. Built-in workflows cover RPG Maker, Ren’Py, NWJS, Electron, Unity, Godot, KiriKiri, WOLF RPG, TyranoScript, Java/JAR, HTML, QSP and Android APK recovery. Experimental or recovery workflows extend to Unreal PAK, Flash SWF, RAGS, GameMaker data.win, SRPG Studio, Pixel Game Maker MV, SPAK and some unknown formats. Results appear in a searchable gallery with filters, grouping, thumbnail presets and a resizable preview. The tool can create HTML reports that summarize extraction, diagnostics, skipped items, a health snapshot and performance notes. It handles images, video, audio, meshes and loose media, including OBJ models and PNG, JPEG, GIF, WebP and TLG5 textures. The maker says extraction works offline and the tool has no telemetry; BepInEx downloads need internet access. Encrypted Godot PCK archives need a valid key, and some protected formats are not fully extracted.

Spec sheet

Purpose
Game Asset Tool extracts, collects, previews and diagnoses assets from visual novels and indie games.Read 7 Oct 2026 · sanchei.itch.io
Security
The maker’s repository says built-in ZIP, JAR, NWJS, ASAR and RGSS extraction rejects absolute paths and path traversal entries and enforces extraction limits.Read 7 Oct 2026 · github.com
Support
The maker says users can optionally donate on itch.io or support development on Ko-fi.Read 7 Oct 2026 · sanchei.itch.io
License
The tool is released under the MIT license.Read 7 Oct 2026 · sanchei.itch.io
Engine support
Built-in workflows cover RPG Maker, Ren’Py, NWJS, Electron, Unity, Godot, KiriKiri, WOLF RPG, TyranoScript, Java/JAR, HTML, QSP and Android APK recovery.Read 7 Oct 2026 · sanchei.itch.io
Experimental support
Experimental or recovery workflows cover Unreal PAK, Flash SWF, RAGS, GameMaker data.win, SRPG Studio, Pixel Game Maker MV, SPAK and some unknown formats.Read 7 Oct 2026 · sanchei.itch.io
Features
It includes a searchable results gallery with filters, grouping, thumbnail presets and a resizable preview panel.Read 7 Oct 2026 · sanchei.itch.io
Limits
Encrypted Godot PCK archives require a valid key, and some protected XP3, Unreal IoStore and custom archive formats are detected but not fully extracted.Read 7 Oct 2026 · sanchei.itch.io
Privacy and connectivity
The maker states that the tool has no telemetry and that asset extraction works offline; BepInEx downloads require internet access.Read 7 Oct 2026 · sanchei.itch.io
Reports
The tool creates HTML reports with extraction summaries, diagnostics, skipped items, a health snapshot and performance notes.Read 7 Oct 2026 · sanchei.itch.io
Requirements
The maker recommends Windows 10 version 1803 or later, or Windows 11 x64, and says no separate Python, package or .NET runtime installation is required on supported Windows versions.Read 7 Oct 2026 · sanchei.itch.io
Unity assistant
An optional Unity decensor assistant can offer compatible BepInEx builds and install an embedded SW_Decensor DLL after BepInEx has launched once.Read 7 Oct 2026 · sanchei.itch.io
Workflow
Users can scan a game folder or supported file before extracting assets detected for its engine.Read 7 Oct 2026 · sanchei.itch.io

Plans and prices

Pay what you want Free Free download · optional support contributions of $1.00, $2.00, $5.00 or $10.00 Read 7 Oct 2026 · sanchei.itch.io

Every Game Asset Tool plan and price →

Strong points and limits

Strong points

  • Batch extraction is available.
  • Searchable gallery includes filters and grouping.
  • HTML reports include diagnostics and skipped items.
  • Extraction works offline, according to the maker.
  • No separate Python or .NET installation is required on supported Windows versions.

Limits

  • Windows is the only listed platform.
  • Encrypted Godot PCK archives require a valid key.
  • Some protected archives are detected but not fully extracted.
  • BepInEx downloads require internet access.

Who it suits

It suits Windows users who need to inspect and extract assets from visual novels or indie games, especially when their files use a listed engine or format. Users handling encrypted Godot PCK files or protected archives should note the extraction limits.

Verdict

Game Asset Tool covers a broad set of game engines and formats, with gallery tools and extraction reports for reviewing results. Check its format limits and Windows requirements against your files and setup before using it.

Where Specifiction places it

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