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Spreadsheet problems, solved | Row Remedy
Practical spreadsheet and CSV fixes, with small example files and clear explanations for Excel, Google Sheets, and everyday data work.
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85 % |
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Excel Duplicate Remover
Remove duplicate rows from an Excel, CSV, or TSV file in your browser. Review exactly which rows match and why, then download a clean file and audit copy.
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82 % |
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Free CSV validator and repair tool · IndieCSV
Inspect one CSV for delimiter, quoting, and uneven rows, then preview repairs and export CSV or JSON locally.
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82 % |
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MegaRows: Private Toolbox for Large CSV & Excel Files
Plot, count and merge huge CSV, Excel and JSON files right now: millions of rows, zoomable charts, nothing uploaded. Free, no account needed.
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82 % |
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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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81 % |
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Reportlytic | Data Quality Preview
Explore CSV data quality, missing values, duplicates and numeric ranges in your browser.
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81 % |
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ImportFix - Fix CSV and Excel Files Before Import
Upload CSV or Excel files, detect import errors, repair structural issues, and export clean CSV or Excel files in minutes.
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80 % |
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Compare CSV Files Online — Free CSV Diff Tool · csvdiff.app
Free browser-based CSV toolkit: diff two CSVs side by side, open a single file in a fast viewer, and clean it up with color rules, fill blanks, bulk replace,...
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80 % |
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flowingTable – Free Online Spreadsheet & CSV Toolkit | No Code Required
Clean, filter, merge, sort and transform any CSV or Excel file directly in your browser — no signup, no Excel, no Python. 15+ free data tools for analysts, r...
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80 % |
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Sifar Data — AI for large CSV files
Sifar Data is your AI data analyst. Chat with CSV and Excel files up to 10 million rows. No server uploads — your data never leaves your laptop.
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80 % |
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Compare Excel & CSV Files Online | Rowwise
Compare Excel or CSV files by row, review every difference, exclude columns, and export results to Excel with yellow highlights or to CSV.
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80 % |
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Filter Excel and CSV files by describing what you want
Change a spreadsheet by writing the change in plain language: filter rows, drop columns, deduplicate, split across tabs. Your file is processed on our own se...
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79 % |
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DataForge — clean, merge, compare and convert CSV files
DataForge cleans messy CSV files, merges and joins tables on a key, diffs two versions and converts CSV to JSON — privately, in your browser.
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79 % |
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MyDataTools — Free Data Utility Tools for Organizations
Free data utility tools for organizations, analysts, developers and data stewards. Validate, clean, document and understand your data. Privacy-first, Canadia...
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79 % |
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Spreadsheet Comparison | Compare CSV & Excel files on your Mac
Compare CSV and Excel exports locally on your Mac. Map differing headers, match records by key and inspect changed or missing rows. $20 lifetime.
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79 % |
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CSVProof : Edit CSV files without silent surprises
CSVProof is a CSV editor that shows exactly how your file is interpreted, what changed, and why. Compare by key, review exceptions, and replay trusted workfl...
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79 % |
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Free CSV Converter — CSV to JSON, Excel, TSV, Markdown
Convert CSV to JSON, Excel, TSV, or Markdown. Clean duplicates, whitespace, and empty rows or columns instantly in your browser.
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79 % |
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Download free fast CSV file viewer
Download CSV file viewer. Forever free, no strings attached. Load multiple CSV files with up to 500 million rows at once. Search, filter, and export.
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78 % |
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Free Online CSV Validator & Checker | Detect Errors & Fix Encoding
Validate and fix CSV files instantly online. Detect invisible characters, duplicates, and encoding issues. Free, no upload — runs entirely in your browser.
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78 % |
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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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78 % |
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