Clean a CSV export
Profile the file, normalize headers, filter noisy rows, then export a cleaner table.
22 tools · 2 workflows
Data Cleanup Suite
Profile, filter, sort, deduplicate, extract, normalize, and convert small datasets before they enter a spreadsheet, CRM, or database.
A browser-side workbench for messy CSVs, copied tables, URL lists, emails, domains, UUIDs, and operational exports.
Recommended workflows
Extract structured lists from messy text
Pull URLs, domains, or email addresses from copied text, then normalize and deduplicate the list.
Core tools
14 tools-
CSV Data Quality Profiler
Upload CSV or TSV and profile missing values, inferred types, invalid cells, duplicate rows, whitespace issues, top values, and numeric outliers.
-
CSV Deduplicator
Remove duplicate CSV rows by full row or selected key columns from uploaded files, locally and safely.
-
CSV Filter
Filter uploaded CSV rows by column value using contains, equals, or regex, with local browser processing.
-
CSV Sorter
Sort uploaded CSV rows by a selected column with numeric-aware ordering and local-only processing.
-
CSV Column Extractor
Upload or paste CSV, keep only selected columns by name or index, and export a smaller privacy-safe file.
-
CSV Header Normalizer
Standardize CSV header rows to snake_case, kebab-case, camelCase, or Title Case before imports and scripts.
-
CSV Stats Summary
Upload CSV and get a quick Markdown profile of filled, missing, unique, numeric, min, max, and average values.
-
CSV ⇄ JSON Converter
Convert CSV to JSON or JSON to CSV — handles quoted commas, newlines in cells, custom delimiter — browser-only
-
CSV to Markdown Table
Convert uploaded or pasted CSV into clean Markdown tables with quoted-cell support, locally in the browser.
-
HTML Table to CSV Converter
HTML table to CSV converter — paste HTML or full page source, extract all tables, get CSV/TSV/JSON/Excel-ready output with header detection + colspan/rowspan handling.
-
Text Deduplicator
Remove duplicate lines from any list — case-sensitive optional, whitespace-trim optional, count duplicates — browser-only
-
Email Address Extractor
Extract, dedupe, and export email addresses from pasted text or uploaded local files.
-
URL Extractor
Extract, dedupe, and export urls from pasted text or uploaded local files.
-
Domain Name Extractor
Extract, dedupe, and export domain names from pasted text or uploaded local files.
Supporting tools
8 tools-
TSV to CSV Converter
Turn tab-separated files into standards-friendly CSV with proper quoting, download, and local processing.
-
URL Normalizer
Normalize, sort, and prepare urls from pasted text or uploaded local files.
-
URL Deduplicator
Find duplicates and keep one clean copy of urls from pasted text or uploaded local files.
-
Email Address Normalizer
Normalize, sort, and prepare email addresses from pasted text or uploaded local files.
-
Email Address Deduplicator
Find duplicates and keep one clean copy of email addresses from pasted text or uploaded local files.
-
UUID Extractor
Extract, dedupe, and export uuids from pasted text or uploaded local files.
-
UUID Deduplicator
Find duplicates and keep one clean copy of uuids from pasted text or uploaded local files.
-
Phone Number Extractor
Extract, dedupe, and export phone numbers from pasted text or uploaded local files.