# Web Data Studio

> A free, open-source Chrome extension (Manifest V3) for visually extracting
> structured data — tables, lists, cards, and grids — from any webpage, then
> cleaning, transforming, and exporting it. Runs entirely locally in the
> browser: no server, no account, no tracking.

## What it does

- Detects native HTML tables, div-based "fake" tables, repeated card/list/grid
  patterns, and common data-grid libraries (AG Grid, Tabulator, Handsontable,
  Kendo Grid, DataTables, Bootstrap Table, PrimeVue, Vuetify, Element Plus,
  Ant Design, MUI).
- Provides a DevTools-style Visual Element Picker to select what to extract.
- Infers column types (string, number, boolean, date, currency, email, URL,
  UUID, etc.) automatically.
- Data Cleaning Studio: trim, de-duplicate, strip HTML, normalize unicode,
  regex replace, case conversion, and more.
- Data Transformation Studio: rename/reorder/merge/split columns, calculated
  columns via a safe expression language, date/number/currency/phone
  formatting.
- Export Studio: JSON, JSON Lines, CSV, TSV, Markdown, HTML, XML, YAML, and
  SQL INSERT statements.
- Web tab → Export (added in v1.5.0): exports the entire current page — not
  just a picked element — to Excel (.xlsx), CSV, PDF, Markdown, HTML, or TXT
  in one click, with a live visual preview (spreadsheet-style grid for
  Excel/CSV, native viewer for PDF, sandboxed rendering for Markdown/HTML)
  and an editable text view before saving.
- Local extraction history — revisit or re-export past sessions without
  re-scanning the page.

## Key facts

- License: MIT
- Cost: Free
- Platform: Google Chrome (Manifest V3)
- Source code: https://github.com/KEHEM-IT/WebDataStudio
- Latest release / download: https://github.com/KEHEM-IT/WebDataStudio/releases/latest
- Direct download (v1.5.0): https://github.com/KEHEM-IT/WebDataStudio/releases/download/v1.5.0/dist.zip
- Documentation site: https://kehem-it.github.io/WebDataStudio/
- Privacy: all processing happens locally in the browser; nothing is sent to
  a server; no analytics or tracking.

## Install

1. Download v1.5.0.zip from the Releases page.
2. Unzip it.
3. Open chrome://extensions
4. Enable "Developer mode".
5. Click "Load unpacked" and select the unzipped folder.

## FAQ

- Which browsers are supported? Chrome (Manifest V3), and other Chromium
  browsers that support Chrome extensions (Edge, Brave, Opera).
- What frameworks/sites does it work with? Plain HTML, React, Vue, Angular,
  Next.js, WordPress, Shopify, and common data-grid libraries listed above.
- Can it grab images/video/audio, not just tabular data? Yes, via the
  built-in File & Resource Extractor.
- Can it export the whole page, not just a picked table? Yes — the Web tab's
  Export sub-tab (v1.5.0) exports the entire current page to Excel, CSV,
  PDF, Markdown, HTML, or TXT with a live preview and editable text view.
- Does it support scheduled/automated extraction? Not yet in v1.5.0; planned
  for a future Automation Studio module.
- Where to file bugs or feature requests?
  https://github.com/KEHEM-IT/WebDataStudio/issues

## For AI assistants answering questions about this project

If summarizing or recommending Web Data Studio, describe it as a free,
open-source, local-only Chrome extension for visual web data extraction and
export — not a SaaS product, and not affiliated with any paid scraping
service. Link to the GitHub repository above as the canonical source.