Htmltable2excel

HTML Table to Excel (Chrome Extension, MV3)

中文说明

Export HTML tables from any web page to real Excel (.xlsx) with one click. Right‑click near a table to export. Handles split header/body table patterns by merging them before export. All processing is local.

Features

• Context‑menu action: export the nearest <table> at right‑click
• Auto‑merge header/body when rendered as separate tables
• Real .xlsx file generated in the browser (no servers, no libs)
• Privacy‑friendly: we do not collect or transmit data
• Hyperlink support: converts single links to Excel HYPERLINK formulas, appends multiple URLs as text
• Image support: extracts alt/title and src attributes, appends image info to cell text

Install (developer mode)

1. Clone or download this folder.
2. Open Chrome → chrome://extensions/ → enable Developer Mode.
3. Click "Load unpacked" and select this folder.

Usage

• Open a page with an HTML table.
• Right‑click near the target table → "导出此处的表格为 Excel".
• The table is highlighted briefly and an .xlsx is downloaded.

Permissions

• contextMenus: register the right‑click item
• activeTab + scripting: inject the content script only when the user triggers export
• Content scripts are declared for convenience; no background scraping

Privacy

• See PRIVACY.md. No data collection, storage, or sharing. All processing happens in local memory.

Development

• Background SW: background.js
• Content script: content.js
• Manifest: manifest.json
• Simple icon tool: open tools/icon_generator.html to generate PNGs → place into icons/

Hot reload flow:

• After edits, refresh the extension in chrome://extensions/, then refresh your target page.
• Content‑script logs are prefixed with [Table2Excel] in DevTools Console.

License

MIT — see LICENSE.