Observed arrival · 2026-10-24

Geurim Lab’s four-room workbench

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Editorial interest 73/100 Selection signal · not a rating of the site

A free, no-sign-up Korean-language collection of spreadsheet, image, engineering, and PDF tools.

Landing page captured for the 2026-10-24 issue.

For: Korean-speaking users handling office and engineering tasks
Worth noticing: The PDF workspace states a limit of 10 files and 500 pages; engineering examples include CoolProp.

Field notes

The Excel area lists blank-row and duplicate removal, charting, and PNG/SVG export; its example uses time, A, and B columns. The engineering workspace shows a 25 °C → 298.15 K conversion and names CoolProp for fluid properties. The PDF area says users can reorder files before saving, with a stated ceiling of 10 files and 500 pages.

Observed signals

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

◎NicheUnusually specific use

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