CSV Cleaner
Rons Data Edit
Csv Easy
Clean My CSV
Clean Spreadsheets
Rons Data Stream
CSV Normalize
neatcsv gives you 14+ data cleaning tools that run 100% in your browser. Remove duplicates, fix dates, validate emails, normalize numbers — no uploads, no server, fully GDPR compliant. Export as CSV, Excel or JSON.

Modern CSV
Rons Data Edit
Csv Easy
Tablecruncher
ReCsvEditor
CSV Explorer
CSV Buddy
63 free CSV tools that run entirely in your browser: view, edit, validate, repair, and convert CSV to Excel, JSON, SQL and more. No uploads or signup - files never leave your device.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | neatcsv.com | csvtool.io |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Cyprus · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

neatcsv is a browser-based data cleaning tool for CSV, Excel (.xlsx/.xls) and JSON files. All processing happens locally in your browser — your data is never uploaded to any server. This makes neatcsv fully GDPR compliant and safe for sensitive datasets like customer lists, financial records, or...
CSVTool.io is a free, privacy-first suite of 63 browser-based CSV utilities. All processing runs locally in the browser (web-worker powered) - no file uploads, no signup. What's included: CSV Viewer & Editor with worker-powered rendering for large files Auditable repair, validation and...
What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
No analysis of CSVTool.io yet.
How often each product is chosen within a category, 0–100% relative to the other.

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Remove duplicate rows from a CSV file instantly. Smart matching catches case and spacing differences a basic dedupe misses. Your file never leaves your browser, nothing is uploaded to any server.
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This lightweight, yet powerful CSV editor for Apple Mac helps you crunch all your tabular data.
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