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CSVTidy — Clean messy spreadsheets in seconds.
CSVTidy cleans messy CSV and Excel files — remove duplicates, standardize dates, split name columns, normalize phones, and more. Free in your browser, no sig...
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87 % |
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CAS Number Validator & Spreadsheet Cleaner | ChemDataDoctor
Clean chemical spreadsheets from Excel, CSV or pasted lists. Check CAS number format and check digits, tidy spacing and flag duplicates. Free, private, no si...
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87 % |
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Kramata — Combine Multiple CSV & Excel Files Into One, Cleaned
Combine multiple CSV or Excel files into one clean file in one click. Build the cleanup once, re-run on every new batch. Free, 100% offline, Windows.
|
85 % |
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Tabular — Clean Up Messy Spreadsheets in Minutes
Upload CSV or Excel files, apply cleanup operations like removing duplicates and trimming whitespace, preview results, and download clean data instantly.
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85 % |
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AI CSV Cleaner | Clean and Fix CSV Data Online Free
Upload messy CSV or Excel files, detect duplicates, missing values, date issues, and export clean results online.
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85 % |
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SheetForYou — AI Excel Transformer for Indian Professionals
Upload any spreadsheet, describe what you need in plain English, and download your perfectly transformed file in seconds. No formulas. No coding.
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84 % |
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Ecomm Data Cleaner — Clean Your CSV & Excel Data in Minutes
Paste in your raw spreadsheet data and get a cleaner, standardized file with typos fixed, duplicates removed, and formatting cleaned up.
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84 % |
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Merge Excel & CSV Files by Matching Columns | RowPair
Match and merge two Excel or CSV files without VLOOKUP. Review duplicates, missing rows, and ambiguous matches before downloading a clean spreadsheet.
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84 % |
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HappyCSV - Private CSV, Excel & Data Tools
View, edit, join, validate, clean, and convert CSV, Excel, JSON, Parquet, contact, calendar, and location data privately in your browser.
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83 % |
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Dupe Fixer - Deduplicate and match spreadsheets
Find duplicates within one spreadsheet or match records across two. Upload CSV or Excel files, review matches, and export your results.
|
83 % |
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CleanMyExcel - Remove Duplicates in Excel & CSV Online For FREE
Remove duplicate rows in Excel and CSV files instantly. Secure, client-side processing. No sign-up required. Clean your data in 3 seconds.
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83 % |
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Data Mix Box — Merge, Map, Clean, Export
Drag in multiple data files, visually map columns, clean and deduplicate, and export a single clean file — all in under 5 minutes.
|
83 % |
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Split Excel Sheets & Batch Rename Files Instantly | SpliceBatch
Split a master spreadsheet into individual files by row or column automatically. Try the safest, fastest bulk Excel renaming tool online for free.
|
83 % |
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Sheetbench — small tools for big Excel problems
A collection of free Excel/CSV tools that each do one thing perfectly: duplicates, empty rows, merging, conversion, comparison. All client-side — your file n...
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83 % |
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Merge & Clean Excel Files Online — Private & Free | FoldSuite
Merge Excel and CSV files with different columns, clean values, remove duplicates, and export locally. Free, no sign-up, no file uploads.
|
83 % |
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SimpleExcelTools.com — Free Excel Tools to Clean Your Data
Free Excel tools to clean messy lists: format US addresses and phone numbers, remove duplicates, fix dates and numbers, trim spaces. Works offline in your br...
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83 % |
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Maplesheet — Everyday Excel Tools for Finance, Accounting & Office Teams
Free online Excel tools for everyday office work: compare two workbooks cell by cell, find duplicate rows and invoices, clean up messy ERP and bank exports,...
|
82 % |
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DataKit — Fix Your Messy Data in Seconds
The AI-powered toolkit that converts, cleans, and backs up your data. Stop wrestling with spreadsheets and broken exports.
|
82 % |
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SuperSheet — Make Any Spreadsheet Look Professional, Free
Drop in a messy Excel or CSV file and get back a formatted one: clean headers, real number formats, a totals row, calculated columns and a theme. Then ask it...
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82 % |
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Data Cleaning Tool - Dedupe, Normalize & Merge CSV Files | DataUntangler
Data cleaning tool that dedupes, normalizes and merges messy CSV and Excel files in your browser. Review every proposed change before you accept it.
|
82 % |
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