Text to Structured Data ExtractorText to Structured Data Extractor
Convert unstructured text into structured data (tables, JSON, CSV) using configurable extraction rules. Runs fully offlineText to Structured Data Extractor
Convert unstructured text into structured data (tables, JSON, CSV) using configurable extraction ...
Overview
Text → Structured Data Extractor is a lightweight, fully offline HTML utility that transforms raw, unstructured text into clean, structured datasets.
Designed for developers, analysts, and business users who need fast, private data extraction without relying on cloud services, APIs, or external tools.
All processing happens locally in your browser.
Features
100% Offline – no internet connection required
No APIs or keys – runs entirely in the browser
Regex-based extraction rules
Supports named capture groups
Multiple extraction modes:
By index (align matches)
One row per match
Line-based extraction
Bulk processing** of multiple text files
Export results as:
* Table view
* JSON
* CSV
* ZIP archive (bulk files)
* Preset support (save & reuse rules locally)
* Privacy-first: your data never leaves your device
Requirements
Browser Compatibility
* Google Chrome (recommended)
* Microsoft Edge
* Mozilla Firefox
JavaScript must be enabled.
Instructions
1. Open the included `index.html` file in a modern browser
2. Paste text or load `.txt` files
3. Define extraction rules using regular expressions
4. Run extraction
5. Export structured results as JSON or CSV
No installation. No server. No configuration.
| Category | Scripts & Code / JavaScript / Miscellaneous |
| First release | 8 January 2026 |
| Last update | 8 January 2026 |
| Files included | .html |
| Tags | data processing, no backend, structured data, text extractor, no api, offline tool, html tool, csv generator, json generator, regex extractor, data cleaning, bulk text processing |








