Product: Wrangell Data is a no-code, browser-based tool for data transformation and cleaning.
Free tools: The standalone browser-based tools are free, and processing happens on the user's computer.
Files: The site says Wrangell supports Excel (XLSX), CSV, and JSON files.
CSV to JSON: The CSV to JSON tool lets users upload a CSV or XLSX file, select columns, preview the result, and download it.
Missing data: The Missing Data tool provides a report and lets users filter data before previewing and downloading it.
Merge data: The Data Merger joins two spreadsheets using a selected column from each source.
Split spreadsheets: The CSV Splitter splits spreadsheets by row or column into smaller chunks.
Privacy: The maker says data processing happens locally in the browser and none of the data leaves the browser during the tutorial's merge workflow.
Account requirement: The maker's tutorial says no account is required to use the tools in its example workflow.
Use cases: The site describes customer sales data merging, data cleaning for machine learning or reporting, and combining customer support information as use cases.
Starter service: The one-time data transformation service includes conversion and preprocessing, duplicate removal, merging, cleaning, a cleaning log, and a mapped process.
Service delivery: The maker says the Starter Package deliverables arrive within 5 business days after the data is provided, subject to possible delays for clarification.
Creator: The About page identifies Jeff Linwood as Wrangell Data's creator and says he has been a professional software developer for 25 years.

Where it ranks on Freedom251

Best Data Preparation Software in 2026#13 of 27

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Sources

wrangelldata.com/about· checked 4 Oct 2026
wrangelldata.com· checked 4 Oct 2026
wrangelldata.com/tools/csv-to-json· checked 4 Oct 2026
wrangelldata.com/tools/missing-data· checked 4 Oct 2026
wrangelldata.com/tools/data-merger· checked 4 Oct 2026
wrangelldata.com/tools/csv-splitter· checked 4 Oct 2026
wrangelldata.com/learn/tools/tutorial-data-merging· checked 4 Oct 2026
wrangelldata.com/services/starter· checked 4 Oct 2026