Mock Data Generator & API Mocker

Compose rich schemas for an unlimited free data generator, control probabilities, and export production-like datasets. Save presets locally and spin up mock APIs that stay in sync.

Global Settings

Max 200,000 records.

Saved Schemas

API Mocking

Schema Builder

Define your data structure field by field.

Combine other fields using {braces}.
Field Type Null % Blank % Logic Custom Actions

No fields defined yet. Use the builder above to add your first field.

Preview & Export

Generate data to see a preview here.

Available Data Types

First name

Given name pulled from diverse datasets.

Avery, Jordan, Casey, Emerson
Last name

Surnames with multicultural representation.

Nguyen, Patel, Rivera, Chen
Full name

First/last combinations useful for contacts.

Avery Nguyen, Jordan Patel, Casey River…
Email

Company-branded and free-mail patterns.

avery.nguyen@example.com, jordan.patel@…
Phone number

North American style phone numbers.

202-555-0143, 646-555-3299, 415-555-283…
Company

Organization or vendor names.

Northwind Labs, Acme Fintech, Harbor An…
Job title

Modern technology and business roles.

Product Manager, Data Analyst, Customer…
Department

Functional department labels.

Product, Engineering, Customer Operatio…
Street address

Geocodable street lines.

145 Market Street, 88 Harbor View Way, …
City (geo-linked)

Cities that stay in sync with state/country fields.

New York, Austin, Seattle, Chicago
State/Province

Matches the generated city and postal code.

NY, TX, WA, IL
Postal code

Zip/postal codes with geo consistency.

10016, 73301, 98101, 60601
Country

Country names tied to geo data.

United States, Canada, United Kingdom, …
Latitude

Geographic coordinates for mapping use.

40.7128, 30.2672, 47.6062, 41.8781
Longitude

Longitude paired with latitude.

-74.0060, -97.7431, -122.3321, -87.6298
IBAN

Sample international bank account numbers.

DE89370400440532013000, GB29NWBK6016133…
Account number

Masked internal or banking accounts.

001122334455, 210004184502, 99887766554…
Currency code

ISO 4217 currency codes.

USD, EUR, GBP, AUD
Lifecycle status

States such as Active, Pending, Suspended.

Pending, Active, Active, Active
Product / SKU

Named product lines for commerce tests.

Atlas Subscription, Beacon Sensor, Nova…
Color

Useful for theming or SKU variants.

Midnight Blue, Solar Yellow, Cloud Gray…
UUID

Unique identifiers for primary keys.

7d9b9b2e-4bba-4c8e-8a7f-1fb112abf310, 4…

Privacy-first processing every time

WizardOfAZ tools do not need registrations, no accounts or sign-up required. Totally Free.

  • Local only: There are many tools like Text tools, some CSV tools, List tools etc. that are only processed on your browser. Data and Documents are transformed on your machine, so nothing is sent to our servers.
  • Transparent progress: Watch the processing banner appear as soon as work begins and know exactly when it completes.
  • Clear safeguards: Every tool links directly to our privacy policy and has been reviewed for accessibility.
  • Secure Process: Some Tools need to be processed in the servers so the Old Wizard processes your files securely on our servers, keeping them for up to 1 hour so your tool can finish its work—after that, they are automatically deleted after 1 Hour.
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What is Mock Data Generator?

Mock Data Generator is a free data generator from WizardOfAZ. Use it to work with sample datasets using flexible options as part of your testing and demos, without installing extra software.

Popular ways to use Mock Data Generator

  • Streamline testing and demos by using Mock Data Generator to work with sample datasets using flexible options.
  • Share deliverables faster—processed sample datasets are ready for download in seconds.
  • Combine Mock Data Generator with other WizardOfAZ tools to keep complex workflows in one browser tab.

Examples and workflow tips

  • Upload a sample file, cast the spell to work with sample datasets using flexible options, and download the processed result instantly.
  • Bookmark the Mock Data Generator in your browser so recurring tasks stay only one click away.
  • Share the spell with teammates who need a quick, no-install way to work with sample datasets using flexible options.

Frequently asked questions

Is the Mock Data Generator secure?

Yes. The Mock Data Generator runs entirely in your browser, which means your synthetic data never leave your device.

What can I do with the Mock Data Generator?

You can testing and demos by processing sample datasets without uploading them to an external service.

Can I use Mock Data Generator on mobile?

Yes. WizardOfAZ tools are responsive, so you can launch the spell on desktops, tablets, or phones without installing extra apps.

Related tools to explore

Expand your toolkit with other WizardOfAZ spells that complement Mock Data Generator: