Load a full `custom_modes.json` structure (via paste or file upload). The modes will be sorted, and you can optionally filter them before generating the final JSON output.
Upload multiple files, each containing a *single* mode definition. They will be combined and sorted into the final `custom_modes.json` structure.
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Upload a single `custom_modes.json` structure to prepare individual files for download. Modes will be sorted before download links are generated.
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