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Random data generator supports CSV, JSON, SQL, and XML formats.

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About Softwium

Mockium is a browser-based test data generator from Softwium. Users define a schema by adding fields, selecting a name and data type for each, and arranging them in order; schemas can be saved, cloned, exported to a file, or imported from a file for reuse or sharing.

The tool generates fake datasets in CSV, SQL, JSON, or XML format. Output options vary by format and include row and file counts, delimiter and quote characters, line-ending style, header inclusion, and, for SQL, an optional create-table statement; XML output supports configurable root and record tag names, and SQL output supports a configurable table name.

It is intended for developers and testers who need dummy data for populating databases, testing software, or data analysis, as an alternative to manual data entry or spreadsheet creation.

Key features

  • Visually define dataset fields with configurable name, data type, and settings
  • Generate test data files in CSV, SQL, JSON, and XML formats
  • Customize CSV output options (delimiter, quote character, escape character, line endings, header row)
  • Save, clone, export, and import schemas for reuse and sharing
  • Generate multiple files and multiple rows per file in a single run

Frequently asked questions

What output formats does Mockium support?

It can generate data in CSV, SQL, JSON, and XML formats.

Can I save and reuse my schema configurations?

Yes, you can save a schema locally in your browser, clone it, or export and import it as a file to share with others or use on another computer.

Does it support generating SQL data with table creation?

Yes, for SQL output you can specify a table name and choose whether to include a create table statement.

What CSV formatting options are available?

You can choose the delimiter (comma, tab, semicolon, or pipe), quote and escape characters, line ending style, and whether to include a header row.

Who is this tool useful for?

It is aimed at people testing software, populating databases, or conducting data analysis who need dummy test data files.

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