Overview GPT Skin
GPT Skin is a free no-account browser generator for custom ChatGPT, Codex and Claude workspace skins. It builds an installable macOS theme ZIP locally on your machine, with theme controls, live preview, verification and one-click restore. Nothing is uploaded and no account is needed.
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Key features
Quick scan of what stands out
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Theme controls
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Live preview
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Installable macOS ZIP
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Use cases
Where this tool fits best
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Build a custom workspace skin for ChatGPT, Codex or Claude
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Developers and power users who want a personal look without touching config files
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Install a ready-to-use macOS theme ZIP, and restore the default in one click
Pricing & plans 2026
Completely free with no cost