In-browser utilities by Shanghai Seii.top Technology. Each tool runs entirely on your device — no upload, no account, no telemetry. Drop in a file, get a result, close the tab.
Bookmark this page — we add new tools here as they ship.
Drop in a UAT test-case CSV (Lark / Bitable export shape) and explore acceptance status, by-requirement breakdown, priority filters, table & card views, and a side-drawer with full step-by-step detail. Pure client-side parsing — your CSV never leaves the browser.
Open the boardOpen the regional folklore story workspace powered by CaptureX and LarkCatchBO. Browse and generate fables, folk tales, and jokes in a dedicated reading experience.
Open Fable StoriesMarkdown diff, capture-bundle preview, realm git inspector and more — all the small in-browser utilities we build for ourselves and decide to share.
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