Universal Data Workbench
JSON, CSV, XML & Text Editor, Cleaner & Converter Online
Free2,307 impressions#19 of its week
Universal Data Workbench is a free browser-based tool to clean, validate, profile and convert JSON, CSV, XML, YAML and text files locally.
- for
- Developers, data analysts, QA engineers and non-technical users who need quick data cleaning and conversion.
- pricing
- free
Key features
- Auto Data Profiling — Analyzes imported files instantly, showing column types, null counts, unique values and ranges.
- Data Health Dashboard — Provides a 0-100 health score and visual breakdown of data quality issues.
- Smart Suggestions — Offers one-click fixes for detected problems like duplicates, whitespace and missing values.
- Reversible Pipeline — Tracks each transformation, allowing undo or clear-all to restore original data.
- Multi-File Tabs — Enables simultaneous work on multiple files, each with independent state.
- Quick-Start Workflows — Pre-built presets for common tasks such as JSON↔CSV conversion and CSV cleaning.
Use cases
- Validate API JSON responses and flatten nested structures during debugging
- Clean CSV exports by removing duplicates, trimming whitespace and dropping incomplete rows before loading into BI tools
- Convert XML documents to JSON for easier processing in web applications
Universal Data Workbench FAQ
Is Data Workbench free?+
Yes, there is no paid tier, no usage limits and no account required.
What file formats does it support?+
It supports JSON, CSV, TSV, XML, YAML and plain text, auto-detected on import.
How large of a file can I open?+
Most browsers handle files up to 50–100 MB; the table view caps rendering at 5,000 rows for performance.
Will my data be uploaded or stored anywhere?+
No, the tool runs entirely in the browser with no server communication or tracking.
Can I undo changes?+
Every transformation is reversible; use Undo or Clear All to restore the original data.
Does it work offline?+
Yes, once the page loads it works without an internet connection.
Summarized by DevHunt from flipperfile.com · Oct 7, 2026. Details may change; check the official site.
.png?width=64)
