2 items
Open, explore and edit CSV, TSV, JSON and Parquet files locally. Your browser workspace for Loamstack. Loamstack gives your data files a clear, spacious workspace in a browser tab. Open a local file, search and sort its rows, inspect columns, edit supported values, undo changes and download a new copy. • CSV and TSV editing, with quoted values and Unicode support. • JSON and JSONL record tables, with nested values available for inspection. • Parquet inspection and supported flat-field editing with typed export. • Light and dark appearance, adjustable density and responsive tools. • Optional link import: right-click an HTTP or HTTPS file link, review its address and explicitly grant access to that host before import. Local file editing works offline. No account or payment is needed. There is no telemetry or automatic upload. All executable code and fonts are bundled. Optional link imports omit cookies and authentication credentials and reject redirects. Optional website links do not send file contents, names or table state. Downloads contain the complete edited document, including rows hidden by search. Original files are never overwritten. Input limit:32MiB;100,000rows;1,000columns;1million cells. Parquet also has decoded-data limits. Unsupported nested JSON and Parquet fields are inspection-only.
Oct 12, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.