BLENDER ADD-ON · ASSET VALIDATION
Export Checker
Find out what is wrong with the asset before the engine does.
| Eight families of checks |
Unreal, Unity and your own |
Fixes marked Safe or Confirm |
Entirely offline |
THE SIDEBAR
Actions, Summary and Issues on one Export Checker tab. Collapsed sections still carry their count.
THE LOOP
Check scene assets against a delivery profile, understand each finding and choose the appropriate repairs.
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SCAN
1 · Check against a profile
Geometry, transforms, materials, modifiers, naming, collections, UVs and budgets — read-only.
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READ
2 · Findings, explained
Each one says what is wrong and why it matters downstream, not just that a rule fired.
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FIX
3 · Repair what is safe
Safe fixes apply, Confirm fixes ask once, Manual ones are left for you — all in one undo step.
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Nothing leaves the machine. There are no network requests, no telemetry and no account.
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Eight families of checks
Check geometry, transforms, materials, modifiers, naming, collections, UVs and budgets. Each finding explains the problem.
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Profiles, not one fixed rulebook
Start with Generic, Unreal, Unity or Studio rules. Customize severities and save a portable profile or project snapshot.
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Scan what you mean
Scan the scene, selection, collection or visible objects. Selection checks skip scene-wide rules.
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Fixes that say what they are
Safe fixes apply; Confirm fixes ask; Manual fixes stay yours. Fix All runs as one Undo step.
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Ignore with a reason
Ignore findings for a scan, project or profile, with your reason recorded.
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Exclusions that behave
Exclude collections by exact name, including descendants. Save exclusions with the project or profile.
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Progress you can stop
Follow incremental progress, cancel when needed and retain incomplete results.
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Reports
Export JSON or text reports, or copy a compact summary.
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A result list that behaves like a list
Search and filter findings by severity, category or object; click a row to frame its object.
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EVERY GROUP
See each sidebar group in action.
Scan and Profile
Choose a delivery profile and scan the scene, selection, collection or visible objects.
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Issues and Fixes
Locate faulty objects or geometry and choose Safe, Confirm or Manual repairs.
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Ignore and Exclusions
Record accepted findings or exclude named collections and descendants.
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Reports and Summary
Save validation and asset reports, or copy a concise summary.
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Diagnostics
See unfinished checks separately; an errored rule never counts as a pass.
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REQUIREMENTS
Blender 3.3–5.2; classic and Extension builds included. Verified on 4.3.2 and 4.5.2 LTS, Windows x64. Core Utilities and Fast Export are optional and independent.
TAGS
| export |
validation |
Unreal |
Unity |
FBX |
gamedev |
naming |
UV |
transforms |
asset prep |
pipeline |
checker |

Tachyon Studio
Asset validation for Blender 3.3 through 5.2. Also included in Ultimate Utilities.