Wrangling Data with Data Preparer

Data Preparer supports an end-to-end data wrangling process:


Data Preparer automatically identifies data sets that can be used to populate a target.


Data Preparer searches the ways that data sets can be combined to populate a target.


Data Preparer automatic reformats attribute values to increase consistency.

Start for Free

A free trial is available on two cloud platforms and on premise.

Amazon Web Services

Free 30 day trial, following which pay-as-you-go or annual license.​

Microsoft Azure

Free 30 day trial, following which pay-as-you-go.

Software Download

Available for Windows, Mac and Linux. Free 30 day trial. Monthly and annual licenses.


All versions of Data Preparer have the following features:

  • Hands-off data preparation: no programming or hand-crafting of rules.
  • Data integration: brings together data from multiple collections.
  • Format transformation: reformats attribute values to match examples.
  • Data repair: corrects omissions using examples.
  • Explanation: all decisions made by the software are visible.
  • Steering: the decisions made by the software can be revised.
  • Provenance: results are annotated with how they were produced.
  • Interfaces: interactive and command line.
  • Connectivity: the ability to read from and write to a variety of formats and systems.

In addition, paid subscriptions include:

  • Support: next business day support via an online help desk.
  • Training: a 1:1 online training session early in the first subscription period.
  • Updates: access to new releases throughout the term of the subscription.
  • Flexibility: subscriptions can be cancelled online at any time.

The interactive interfaces are made available for Windows and Mac as installers. Command line and Linux versions require that Java 8 or later is installed on the host computer.  Best effort support is provided for users of the Trial Version. 

Note that, in line with out Privacy Policy, The Data Value Factory does not hold payment card details, which are handled exclusively by our payment gateway, Stripe.

Full details on the functionality of Data Preparer are in the User Manual, which is available with example scenarios on the Resources page.


In addition to software, we can provide consultancy to inform the use of Data Preparer, or on wider aspects of adding value to data.