Data Importer & Cleaner v1.0.0

Data Importer & Cleaner v1.0.0

This is the first stable portfolio release for Windows 10/11 x64.

Included

• CSV and XLSX import with preview, profiling and source-to-target mapping;
• reusable local import profiles;
• configurable validation with rejected-row review;
• deterministic cleaning with before/after evidence;
• exact single or composite-key duplicate handling;
• CSV, XLSX and SQLite export with row filters;
• independent CSV error report and local processing history;
• packaged synthetic customer dataset for an immediate offline demo.

Verification

• Release build: zero warnings and zero errors;
• automated tests: 55 passed;
• 50,000-row synthetic pipeline: 2.853 seconds on the documented development machine;
• self-contained package: DataImporterCleaner-v1.0.0-win-x64.zip;
• package size: 67.86 MiB;
• local reference package SHA-256: 861EBFCAD3DE1E0735966392D240DECBA0AF629B14AAD59C986527945759A338;
• the GitHub release workflow publishes a matching .sha256 file for its generated ZIP;
• archive structure, application version and packaged sample identity verified after extraction;
• three portfolio screenshots generated from the real stable WPF UI using the synthetic workflow.

Known limitations

• Windows x64 only;
• CSV and XLSX input only;
• no fuzzy duplicate matching, cloud synchronization or multi-user features;
• the release is not code-signed;
• clean-machine installation validation was not performed and is not claimed.