Data Utility Use Cases

Find free data tools for your role: data engineers, quant and finance teams, QA engineers, analysts, developers, marketers, small business and students.

Free Data Tools for Marketing Lists

Clean and prepare marketing and mailing lists: fix spaces and capitals, remove duplicates, join lists, convert formats and mask personal data. Free, in your browser.

Free Data Tools for Finance and Accounting Exports

Prepare bank, invoice and accounting exports: convert Excel and CSV, fix date formats, compare two versions and join files by reference. Free, in your browser.

Free Data Tools for Developers

Developer data tools in your browser: validate JSON, turn an API response into a table, generate test data from CREATE TABLE and convert JSON, CSV and Parquet.

Free Data Tools for Data Analysts

Data analyst tools in your browser: profile data quality, compare files, clean and join tables, convert Parquet and ask questions about a file. Free, no upload.

Free Data Tools for Small Business

Simple data tools for small business: convert Excel and CSV, clean customer files, remove duplicates, compare lists and keep customer data private. Free, no signup.

Data Tools for Quant Developers and Finance Teams

Generate synthetic financial data, turn market data APIs into CSV or Parquet, mask customer data and reconcile reports, free and in your browser.

Test Data Tools for QA Engineers

Generate test data from a schema or sample file, mask production data, build JSON fixtures and compare outputs before and after a change. Free, in your browser.

Free Data Tools for Data Engineers

Convert JSON, CSV, Excel and Parquet, run SQL on files with DuckDB, profile data, compare snapshots and split large files, all in your browser.

Free Data Tools for Students and Educators

Practise SQL, generate sample datasets, learn CSV, JSON and Parquet, and prepare files for Python or R assignments. Free, no sign-up, in your browser.