Tools for building

open source

Generate test data, convert text, and format JSON. Everything runs in your browser.

Bulk UUIDs →General

Generate UUID v4 values in bulk. Copy or download as text or JSON.

Sample records →General

Repeatable user and product data for tests and demos. Export JSON or CSV.

Base64 converter →Text

Encode text to Base64 or decode it back. Supports Arabic, emoji, and other UTF-8 text.

JSON formatter →Text

Pretty-print, minify, and validate JSON without rounding large numbers.

Saudi fixtures →Regional

National IDs, IBANs, CR numbers, and mobile numbers for Saudi format checks.

Missing a tool?

New formats, more countries, or a utility you keep rewriting. Ideas and pull requests are welcome.

Suggest a tool →Contribute on GitHub →

No account or API key needed. Regional identifiers are for sandbox testing and may overlap with real ones.