Best Data Transformation Tools in 2026
Updated
36 data transformation tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
36ranked
1free plans on this page
$0.48/molowest paid tier
7 Oct 2026last checked
1 of the 11 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 |
|---|---|---|---|---|---|---|---|
| 26 | data.tableWindows · Mac | No signal | — | — | 2 of 6 | — | 5.2 |
| 27 | IbisSelf-hosted · API | One bar | — | — | 0 of 6 | — | 5.2 |
| 28 | LANSAWeb · Windows · Android · iPhone | One bar | — | — | 4 of 6 | — | 5.2 |
| 29 | MalloyWeb · Windows · Mac · Linux · Self-hosted · API · Extension | One bar | — | — | 4 of 6 | — | 5.2 |
| 30 | Centerprise Data IntegratorWeb · Windows · Mac · Self-hosted · API | Two bars | — | — | 3 of 6 | — | 5.1 |
| 31 | IRI DarkShieldWindows · Mac · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | — | 5.1 |
| 32 | Pentaho Data IntegrationWeb · Windows · Mac · Linux | Two bars | — | — | 4 of 6 | — | 5.1 |
| 33 | PipesWeb · Self-hosted | One bar | — | 1 of 6 | $5/mo | 5.1 | |
| 34 | Alteryx DesignerWeb | One bar | — | — | 1 of 6 | — | 4.9 |
| 35 | AWS Glue DataBrewWeb · API | One bar | — | — | 1 of 6 | $0.48/mo | 4.9 |
| 36 | DatameerWeb · API | One bar | — | — | 1 of 6 | — | 4.9 |
Compare all 11 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Deployment model | Transformation interface |
|---|---|---|---|---|---|---|---|---|
| 26 | data.table | 5.2 | No | — | Yes | — | self_hosted | code |
| 27 | Ibis | 5.2 | No | — | — | — | self_hosted | code |
| 28 | LANSA | 5.2 | No | — | — | — | — | — |
| 29 | Malloy | 5.2 | No | — | — | — | self_hosted | — |
| 30 | Centerprise Data Integrator | 5.1 | No | — | No | — | hybrid | visual |
| 31 | IRI DarkShield | 5.1 | No | — | No | — | hybrid | code |
| 32 | Pentaho Data Integration | 5.1 | No | — | No | — | hybrid | visual |
| 33 | Pipes | 5.1 | Free plan | $5/mo | Yes | 5 /mo | hybrid | visual |
| 34 | Alteryx Designer | 4.9 | No | — | No | — | — | — |
| 35 | AWS Glue DataBrew | 4.9 | No | $0.48/mo | No | — | — | — |
| 36 | Datameer | 4.9 | No | — | No | — | — | — |
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