Best Data Preparation Software in 2026
Updated
In short: qsv is ranked #1 of 27 as of 4 October 2026, ahead of DataCleaner and EasyMorph. The best-ranked option with a free plan is DataCleaner. The lowest first paid tier on this page is AWS Glue DataBrew at $0.48/mo.
Before data can support analysis or other work, it may need to be inspected, cleaned, and reshaped. Compared on source connectors, visual workflows, data profiling, and deployment, these tools give you ways to consider how preparation fits your process. Row limits and scheduled runs may matter for the size and frequency of your work, while free-plan availability and the paid-from price add cost context. qsv, DataCleaner, and EasyMorph are among the entries shown. As you compare them, weigh the sources you need to connect, whether you prefer a visual workflow, and how you plan to run and deploy preparation tasks.
27 data preparation software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
7 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | qsvWeb · Windows · Mac · Linux | Three bars | — | 4 of 6 | $99.99/mo | 6.6 | |
| 2 | DataCleanerWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 3 | EasyMorphWeb · Windows · Self-hosted · API | Two bars | — | 2 of 6 | $50/mo | 6.5 | |
| 4 | OpenRefineWeb · Windows · Mac · Linux · Self-hosted | Three bars | — | 4 of 6 | Free | 6.5 | |
| 5 | Frictionless FrameworkWindows · Mac · Linux · Self-hosted | Three bars | — | 3 of 6 | Free | 6.4 | |
| 6 | Amazon SageMaker AutopilotWeb · API | Two bars | — | 1 of 6 | — | 6.3 | |
| 7 | Zoho DataPrepWeb · API | Two bars | — | 1 of 6 | Free | 6.3 | |
| 8 | TableauSelf-hosted | One bar | — | — | 0 of 6 | $15/mo | 5.4 |
| 9 | DeepTableLinux · API | One bar | — | — | 1 of 6 | — | 5.3 |
| 10 | Feature-engineLinux | One bar | — | — | 1 of 6 | — | 5.3 |
| 11 | Open Data EditorWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 12 | timeseriesflattenerLinux · API | One bar | — | — | 1 of 6 | — | 5.3 |
| 13 | Wrangell DataWeb | One bar | — | — | 1 of 6 | — | 5.3 |
| 14 | BumblebeeNo platforms listed | One bar | — | — | 0 of 6 | — | 5.2 |
| 15 | csvkitWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.2 |
| 16 | CSV EngineWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 17 | Rons Data EditWindows | No signal | — | — | 1 of 6 | — | 5.1 |
| 18 | Easy Data TransformWindows · Mac | One bar | — | — | 2 of 6 | — | 5.0 |
| 19 | SAS Visual StatisticsWeb · Self-hosted | One bar | — | — | 1 of 6 | — | 5.0 |
| 20 | Alteryx DesignerWeb | One bar | — | — | 1 of 6 | — | 4.9 |
| 21 | AWS Glue DataBrewWeb · API | One bar | — | — | 1 of 6 | $0.48/mo | 4.9 |
| 22 | DatameerWeb · API | One bar | — | — | 1 of 6 | — | 4.9 |
| 23 | Microsoft ProjectNo platforms listed | One bar | — | — | 0 of 6 | — | 4.9 |
| 24 | Talend Cloud Data PreparationWeb · API | One bar | — | — | 1 of 6 | — | 4.9 |
| 25 | Turbo Excel CleanerWindows | One bar | — | — | 1 of 6 | — | 4.9 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Data profiling | Visual workflows |
|---|---|---|---|---|---|---|---|---|
| 1 | qsv | 6.6 | Free plan | $99.99/mo | Yes | — | Yes | No |
| 2 | DataCleaner | 6.5 | Free plan | Free | Yes | — | Yes | Yes |
| 3 | EasyMorph | 6.5 | Free plan | $50/mo | Yes | 75 /user/mo | Yes | Yes |
| 4 | OpenRefine | 6.5 | Free plan | Free | Yes | — | Yes | — |
| 5 | Frictionless Framework | 6.4 | Free plan | Free | — | — | Yes | — |
| 6 | Amazon SageMaker Autopilot | 6.3 | No | — | No | — | Yes | Yes |
| 7 | Zoho DataPrep | 6.3 | Free plan | Free | Yes | — | Yes | Yes |
| 8 | Tableau | 5.4 | No | $15/mo | Yes | 15 /user/mo | — | — |
| 9 | DeepTable | 5.3 | No | — | — | — | — | — |
| 10 | Feature-engine | 5.3 | No | — | Yes | — | — | — |
| 11 | Open Data Editor | 5.3 | No | — | Yes | — | — | — |
| 12 | timeseriesflattener | 5.3 | No | — | Yes | — | — | — |
| 13 | Wrangell Data | 5.3 | No | — | Yes | — | — | — |
| 14 | Bumblebee | 5.2 | No | — | — | — | Yes | Yes |
| 15 | csvkit | 5.2 | No | — | Yes | — | Yes | — |
| 16 | CSV Engine | 5.1 | No | — | Yes | — | — | Yes |
| 17 | Rons Data Edit | 5.1 | No | — | Yes | — | — | — |
| 18 | Easy Data Transform | 5.0 | No | — | No | — | Yes | Yes |
| 19 | SAS Visual Statistics | 5.0 | No | — | No | — | Yes | Yes |
| 20 | Alteryx Designer | 4.9 | No | — | No | — | Yes | Yes |
| 21 | AWS Glue DataBrew | 4.9 | No | $0.48/mo | No | — | Yes | Yes |
| 22 | Datameer | 4.9 | No | — | No | — | Yes | Yes |
| 23 | Microsoft Project | 4.9 | No | — | Yes | — | — | — |
| 24 | Talend Cloud Data Preparation | 4.9 | No | — | — | — | Yes | Yes |
| 25 | Turbo Excel Cleaner | 4.9 | No | — | No | — | — | — |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which data preparation software is ranked first on Freedom251?
qsv is ranked #1 of 27 with a score of 6.6. DataCleaner is second and EasyMorph third.
How many of these have a free plan?
6 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, AWS Glue DataBrew has the lowest first paid tier we found: $0.48/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.