10 Free CSV Tools — No Registration Required

Fix, Convert & Analyze
CSV Files Online

Repair broken CSV files, detect encoding, convert delimiters, remove duplicates, merge, split, validate, and more — free and instant.

CSV Repair Tool CSV Encoding Detector CSV Delimiter Converter CSV Validator Remove Duplicate Rows
10
Free Tools
100%
Free Forever
500 MB
Max File Size
0
Registration Needed

All CSV Tools

Pick any tool below — no sign-up, no limits, no watermarks.

No tools match your search. Try a different keyword.

Browse by Category

Repair & Fix 1 Convert 2 Analyze 2 Clean & Process 3 View & Compare 2

How It Works

Three simple steps — no account needed.

1

Choose a Tool

Pick from 10 free CSV tools — repair, convert, validate, clean, merge, split or compare.

2

Upload Your File

Drag and drop or browse to select your CSV file. Up to 500 MB supported.

3

Download Results

Preview the results instantly and download your fixed, converted or cleaned file.

Your Files Stay Private

We take your data privacy seriously. CSV files uploaded for server processing are stored in a protected temporary directory outside the web root, processed immediately, and permanently deleted. We never read, share, log, or retain your file content.

  • Files deleted automatically after processing
  • No account or email required
  • CSV Viewer processes files entirely in your browser
  • HTTPS encryption in transit
  • No third-party data sharing
Read Privacy Policy
Encrypted Transfer
HTTPS end-to-end
Auto-Deleted
After processing
No Account
Anonymous use
Browser-Based
Viewer never uploads

Frequently Asked Questions

Yes. All 10 tools are completely free to use, with no account, subscription, or hidden fees.

Each tool supports files up to 500 MB. For very large files, use the CSV Splitter to break your file into chunks first.

Yes. Files uploaded for processing are stored temporarily in a secure directory, processed, and deleted immediately. The CSV Viewer never uploads your file at all — it runs entirely in your browser.

Our tools support UTF-8, UTF-8 BOM, UTF-16, ISO-8859-1, and Windows-1252 encoded files. Common delimiters — comma, semicolon, tab, pipe — are all supported.

Yes. The website is fully responsive and works on any modern smartphone or tablet.

Ready to Fix Your CSV?

Pick a tool and get started in seconds — completely free.

Browse All Tools