CSV Cleaner
Automatically clean messy CSV and XLSX files
CSV Cleaner launched on March 11, 2026.
What it does
CSV Cleaner automatically cleans messy datasets. Upload a CSV or XLSX file and the tool will: • trim whitespace • normalize text formatting • standardize phone numbers and state fields • remove duplicate rows You receive a cleaned dataset along with a JSON report and a summary file explaining the changes made. It’s designed for quick cleanup of messy exports from CRMs, lead lists, and scraped datasets. The basic version of CSV Cleaner will always remain free.
Quickly clean messy CSV or Excel exports with preset rules for common formatting, normalization, and data cleanup tasks. Upload messy CSV or Excel data and clean it instantly using CRK Dev presets. Select your file and choose the preset that best matches your dataset. The tool applies preset cleaning rules to normalize and clean common data issues. Download your cleaned output along with the generated summary and report files. name,email,state JOHN SMITH , [email protected] , maryland john smith,[email protected],MD Jane Doe,, virginia After name,email,state john smith,[email protected],MD jane doe,,VA Need more than a quick cleanup? This free tool is great for quick cleanup jobs. If you need deeper…from csv.crkdev.com
Does a similar job
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Clean Spreadsheets2020 · cleanspreadsheets.com · ▲96Automatically clean customer data with a few clicks
Automated Data Cleaning Toolkit2025 · payhip.com · ▲7Clean messy CSV, Excel, JSON with one Python script
CSV CleanerFeb 2026 · csv-cleaner.com · ▲3Hi HN, I built a small utility to clean up messy CSV exports without opening Excel or writing pandas scripts. Upload a CSV → preview → choose columns to dedupe → normalize/trim → download the cleaned file. Free tier, no signup required for basic use. Stack: -Lovable for the app -Supabase (auth, Postgres, storage, edge functions) -Stripe for subscriptions/day passes Processing runs server-side; I kept the architecture intentionally simple and low-ops. Would love feedback on UX, edge cases, or features you’d want. Website: https://csv-cleaner.com/
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