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PREFLIGHT TOOLKIT

Local checks for asset handoff: find the file or grid problem, review the HTML/JSON report, then make your own correction before import.

UDIM Preflight — $5: check UDIM filenames and explicitly required texture tiles.
Game Asset Preflight — $7: find missing external glTF/OBJ texture references and asset-folder issues.
Sprite Sheet Preflight — $5: check a declared PNG grid for empty cells, exact repeated frames and border issues.

Try the free sample reports on each product page. The full checkers are in the paid downloads. Need all three? See the current 3 Utility Bundle offer.

These are Python source tools requiring Pillow, not standalone executables or engine plugins. Game Asset and Sprite Sheet are verified on Windows 11; UDIM is runtime-tested on Linux. See each listing for exact versions, setup and limitations.

Scans run locally, leave source files unchanged and use no uploads, telemetry, accounts or paid API. Setup may use the internet to install Pillow. Reports do not guarantee engine import or rendering. AI assistance for code, text and graphics is disclosed on the product pages.

Sprite Sheet Preflight — Sprite QA Utility

In bundle

Find empty cells, exact repeats and border issues in a declared PNG grid. Get indexed HTML/JSON reports.

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Game Asset Preflight — Asset Folder QA

In bundle

Find missing glTF/OBJ texture references before handoff. Local HTML/JSON reports; source files stay unchanged.

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UDIM Preflight — Local Texture Set QA

In bundle

Check UDIM filenames and required tiles before handoff. Get local HTML/JSON reports; source textures stay unchanged.

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