Live2D Delivery ZIP Preflight — Package & Reference Checker

Check the actual ZIP you are about to deliver

Live2D Delivery ZIP Preflight  is a small, offline browser utility for Live2D riggers, model sellers, and commissioners.

Instead of checking a working folder, it checks the final ZIP package you are actually about to send to a client or upload to a storefront.

Drop the ZIP into the tool and it follows explicit .model3.json references to verify that required package files are really present.

What it checks

• .model3.json discovery
• MOC3 file presence
• texture references and PNG dimensions/file size
• Physics
• Pose
• Expressions
• Motions
• Motion audio
• UserData
•  DisplayInfo
• MotionSync
• missing referenced files
• case-only path mismatches
• Unicode normalization mismatches and collisions
• malformed referenced JSON
• duplicate texture references
• unreferenced files
• backup-looking files
• unsafe absolute/parent-traversing references
• common macOS Finder ZIP metadata (__MACOSX, ._*, .DS_Store) is ignored automatically

Reports can be exported as CSV, JSON, or Markdown.

Private by design

Everything runs locally in your browser.

• no account
• no server
• no upload
• no analytics
• no external CDN
• no installation

Open the included HTML file, select the final ZIP, and run the preflight.

What a PASS means

A PASS means the selected ZIP passed the implemented package-structure and explicit-reference checks.

It does not guarantee:

• VTube Studio runtime behavior or compatibility
• MOC3 binary integrity
• rigging or tracking quality
• physics/expression visual quality
• FPS/GPU/device compatibility
• complete defect detection

Always perform a final runtime/visual check in the intended environment.

ZIP support

The tool supports normal ZIP archives using stored/deflate entries.

ZIP64, encrypted ZIP files, and unsupported compression methods are outside the current scope. Safety limits are applied to file count and expanded size.

Language

This itch.io release is English-only. The analysis engine is the same as the bilingual/Japanese-oriented release.

Validation performed during development

Real-browser/manual validation was performed with legitimate Live2D official sample families including Miara, Chitose, and Kei, covering clean packages plus injected missing texture, case mismatch, malformed referenced JSON, backup-file, report-export, and macOS Finder metadata cases.

The official sample model files themselves are  not included in this product.

Unofficial tool notice

This is an independent, unofficial tool. It is not an official or certified product of Live2D Inc. or VTube Studio.