Free online data tools

3 tools

Tools for looking at and reshaping data without a spreadsheet or a database: CSV viewers, JSON explorers, SQL playgrounds and converters between table formats. Check the size limit and whether files are processed locally before you load anything sensitive.

Showing 1–3 of 3

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Census Reporter Explorer (Gemini build)
Simon Willison
Looks up US places and their American Community Survey statistics via the Census Reporter API.
ArtifactNo sign-updata tools
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GeoJSON Map Viewer
Simon Willison
Paste GeoJSON features, style fill and opacity, and see them drawn on an OpenStreetMap base layer.
ArtifactNo sign-updata tools
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HTML Table Extractor
Simon Willison
Finds tables in pasted HTML or rich text, previews each one and exports it as CSV, TSV, JSON, Markdown or HTML.
ArtifactNo sign-updata tools