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Roblox

Roblox Shirt Tester

The free Roblox shirt tester: strictly check 585×559 PNG or JPEG metadata and report coverage plus transparent boundary pixels for all 18 mapped faces.

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Local browser processing • no upload required

Roblox Shirt Tester

Local browser processing • no upload required

585 × 559 input · 960 × 540 preview
Orthographic body reference

Choose a classic shirt image to begin the local preview.

Choose a classic shirt image to begin the local preview.
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HOW IT WORKS

From canvas to usable file

  1. 1Choose an exact 585×559 classic-shirt PNG or JPEG and review the strict dimension and MIME checks.
  2. 2Inspect R6 or R15 orthographic views from the front, back, left, right, or both, with optional preview-only guides.
  3. 3Review exact coverage and transparent boundary-pixel counts for each of the 18 UV faces, then correct the source image as needed.
Tutorials and build guides

Learn the build, then use the tool

Quick answer

What does the Roblox shirt tester check?

It strictly checks 585×559 dimensions and PNG or JPEG MIME type, then measures coverage and transparent boundary pixels for all 18 mapped torso and arm faces.

Key specifications

Execution
100% Client-Side (Offline)
Privacy
Zero Server Uploads
Access
Free / No Account Needed
Export Format
PNG, 3D Preview

FAQ

FAQ

What does the Roblox shirt tester check?

It strictly checks 585×559 dimensions and PNG or JPEG MIME type, then measures coverage and transparent boundary pixels for all 18 mapped torso and arm faces.

Does passing the checks guarantee Roblox acceptance?

No. The checks cover only the local file metadata and pixels; they do not evaluate Roblox policy, moderation, or final rendering.

What does the 18-face report contain?

Each face lists its exact pixel coverage and transparent boundary-pixel count; the tool does not replace these measurements with a heuristic score.

Does testing happen in the browser?

Yes. The image stays on your device and is rendered locally in the page canvas.

How is this different from the shirt previewer?

The previewer focuses on clean orthographic inspection. The tester adds strict metadata validation and an exact per-pixel report for all 18 faces.