CSV Data Cleaner

Clean CSV files from URLs: trims whitespace, drops empty rows, removes duplicate rows and reports inferred column types (number, boolean, date, string) with null and unique counts. No scraping, pure local parsing.

Data Cleaner & Normalizer (JSON/CSV)

zenomastro/data-cleaner-normalizer

Clean and normalize JSON/CSV data: trim whitespace, lowercase emails, normalize phone numbers and dates, drop empty values/rows, and deduplicate by a field.

Clean, normalize and deduplicate any dataset: field names, whitespace, empty values, numbers, plus exact and fuzzy duplicate removal.

CSV Deduper Normalizer

junipr/csv-deduper-normalizer

Deduplicate and normalize CSV-style rows. Clean whitespace, casing, domains, URLs, and emails, then output kept and duplicate rows plus clean CSV/JSON files.

CSV & Excel Data Quality Cleaner

automation-lab/csv-excel-data-quality-cleaner

Clean CSV and Excel files under explicit rules, normalize columns and values, flag or remove duplicates, and export cleaned rows plus a structured validation report.

Merge two CSVs (or dedupe one) into a single clean file with duplicate rows removed. The natural companion to CSV Data Cleaner for combining exports and lists.

Data Cleaner — messy CSV/Excel/JSON to clean typed data

amanatools/data-cleaner

Clean, deduplicate, and type-infer CSV, Excel, and JSON files from URLs. Returns a quality report, preview rows, and a download link to the cleaned CSV. Built for AI agents and data pipelines.

CSV Doctor | Repair Broken CSV Files, With a Fix Report

broomwagon/csv-doctor

Repair the CSV that will not load: wrong delimiters, unquoted values, ragged rows, blank and duplicate headers, mojibake. Get back rectangular typed records plus a report of exactly what changed. Nothing is invented and nothing is dropped, so ragged rows are named, never truncated.

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Generate a compact data quality report from CSV input, including schema, missing values, numeric summaries, and a data preview.