DataCleaner
DataCleaner: A free visual toolkit for building data-quality workflows across files and databases. Ranked #11 of 26 in Data Preparation Software by our editors (7.4/10); pricing: Free plan; best for free visual data-quality workflows.
At a glance
- Editor score7.4 / 10
- PricingFree plan
- Best forFree visual data-quality workflows
- Free planYes
- Paid fromFree
- DeploymentDesktop
- Facts checked20 Sep 2026

Where it wins
- Profiles patterns, missing values, character sets, and other data characteristics
- Builds visual job graphs with analyzers, transformers, and filters
- Supports CSV, Excel, relational databases, and NoSQL datastores
Where it doesn't
- The project is maintained but not actively developed
- Fewer listed integrations than commercial category leaders
- Desktop deployment may not suit teams seeking a broader hosted platform
Our verdict on DataCleaner
DataCleaner is an open-source data quality toolkit for profiling, transforming, cleansing, and enriching data. Its desktop application lets teams create visual job graphs with analyzers, transformers, and filters. The product is suited to data professionals who need repeatable quality workflows across CSV files, Excel spreadsheets, relational databases, and NoSQL datastores, while still retaining command-line execution and code-based job invocation.
The main strength is the depth of its data-quality workflow. Data profiling covers patterns, missing values, character sets, and other data characteristics, while quality analyzers address completeness, uniqueness, referential integrity, and value distribution. Transformation and cleansing rules can use scripts, lookups, and pattern matching. Processed data can be written to CSV, Excel, staging tables, or database tables, giving the toolkit a practical path from inspection to output. Scheduled runs, command-line execution, APIs for embedding, and Hadoop and Spark interfaces also extend it beyond a purely interactive desktop utility.
DataCleaner has no paid cost and runs on Windows, macOS, and Linux. Its ecosystem includes Apache Hadoop, Apache Spark, Pentaho Data Integration, and Apache MetaModel, although the listed integration set is narrower than those of commercial leaders. The project is maintained but not actively developed, and Community Edition 5.9.0 is listed as the latest release. Choose DataCleaner if free, open-source visual workflows and broad file and database support matter more than a large commercial integration ecosystem. Teams seeking a more actively developed product or a broader hosted platform should consider an alternative.
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DataCleaner pricing
DataCleaner fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Data profiling | Yes |
| Visual workflows | Yes |
| Deployment | Desktop |
| Scheduled runs | Yes |
| Source connectors | Not verified |
| Row limit | Not verified |
| Deployment | Desktop |
| Platforms | Windows, macOS, Linux |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 4 integrations: Apache Hadoop, Apache Spark, Pentaho Data Integration, Apache MetaModel |
| Pricing | Free plan |
| Website | datacleaner.github.io |
| Facts checked | 20 Sep 2026 |
DataCleaner integrations
DataCleaner lists 4 integrations on its own site.
- Apache Hadoop
- Apache Spark
- Pentaho Data Integration
- Apache MetaModel
Alternatives to DataCleaner
- Alteryx DesignerA capable visual preparation suite for enterprises, priced for committed teams.9.2
- Amazon SageMaker Data WranglerA capable AWS-centered workspace for preparing and analyzing machine-learning data.9.1
- AWS Glue DataBrewA capable AWS-native choice for visual preparation, profiling, and scheduled data jobs.9.0
See all DataCleaner alternatives →
Also Ranked In
DataCleaner is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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