Online HTML Table to JSON - Extract Tables to JSON/CSV

Q: What HTML table formats are supported?

Standard HTML ` ` elements with ` `, ` `, ` ` tags. Supports `colspan` and `rowspan` attributes.

Free online HTML Table to JSON converter, pure client-side. Extract HTML table data into JSON or CSV format. Supports multiple tables, custom headers, preview, and one-click copy.

🔒 100% Client-Side

📋 Paste HTML Table

⚙️ Options

Output Format

Header Row

Updated: 2026-07-11

🔒 No data upload — 100% client-side

How to Use

Follow these simple steps. All processing happens locally in your browser.

Input your data or upload your file in the tool area above.
Adjust any available options to customize the output.
Click the process button and get your result instantly.

FAQ

What HTML table formats are supported?

Standard HTML `

` elements with ``, `

`, `
` tags. Supports `colspan` and `rowspan` attributes. Can I convert multiple tables? Currently processes the first table found. For multiple tables, convert each one separately. What output formats are available? JSON (Object Array): each row as object with header keys. JSON (Row Array): each row as plain array. CSV: comma-separated, compatible with Excel. Is my table data uploaded? No. All parsing happens client-side. No data is ever sent to any server. How are headers handled? "First row" uses the first row as JSON keys. "Auto columns" generates col1, col2, etc. Technical Details This tool runs 100% in your browser using modern web technologies. No data is ever sent to any server. Your files remain on your device at all times. Ad Space - Bottom (728x90) Home All Tools Contact 中文 🔒 100% Client-Side · Your Data Never Leaves Your Browser Feedback: dexshuang@google.com 📝 Feedback 0/1000 ✅ Thanks! Submitted via GitHub Issues.

`, `

` tags. Supports `colspan` and `rowspan` attributes.

Can I convert multiple tables?

Currently processes the first table found. For multiple tables, convert each one separately.

What output formats are available?

JSON (Object Array): each row as object with header keys. JSON (Row Array): each row as plain array. CSV: comma-separated, compatible with Excel.

Is my table data uploaded?

No. All parsing happens client-side. No data is ever sent to any server.

How are headers handled?

"First row" uses the first row as JSON keys. "Auto columns" generates col1, col2, etc.

Technical Details

This tool runs 100% in your browser using modern web technologies. No data is ever sent to any server. Your files remain on your device at all times.

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