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AI-Native Spreadsheet Viewer

Let spreadsheets support your thinking

View, search, and share tabular data. Read-only by design. Ingest from Google Sheets, Excel, CSV, or any URL.

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Local Sheets
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Local Rows
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Columns Seen
indexeddb
Storage Mode

Recent Local Sheets

Browser-local previews saved on this device. Server indexing is degraded until backend persistence is wired.

No local sheets yet

Paste data, upload CSV/TSV/Excel, or import a public URL to create a read-only browser-local sheet preview.

Add a Sheet

Three ways to get your data into OpenSheets

From URL
Google Sheets, public URLs, or any accessible spreadsheet link.
Upload File
CSV, XLS, XLSX, TSV, and other tabular formats.
Paste Data
Copy from any spreadsheet and paste directly.

Read-Only, By Design

Don't operate your data. Let it support your thinking.

Searchable Tables

Full-text search across all columns with instant results.

Column Filters

Filter any column to find exactly what you need.

Chart Summaries

Quick data visualizations in the header.

Row Details

Expand any row to see all fields clearly.

CSV Export

Download filtered browser-local previews as CSV. PDF export degrades until a renderer is wired.

Shareable Links

Share filtered views with persistent URLs.

MCP Integration
Connect AI agents directly to your spreadsheet data using the Model Context Protocol.
{
  "mcpServers": {
    "opensheets": {
      "url": "https://sheets.platphormnews.com/api/mcp"
    }
  }
}
REST API
Programmatic access to all sheets with full-text search, filtering, and pagination.
curl -X GET \
  "https://sheets.platphormnews.com/api/v1/sheets" \
  -H "Authorization: Bearer $PLATPHORM_API_KEY"

Deploy Your Own Instance

Clone this open-source project and deploy to Vercel in minutes

Ready to view your data?

Add your first sheet in seconds. No account required for public sheets.