CSV Find and Replace

Find and replace specific text or regex patterns within chosen columns or across the entire CSV table.

How It Works & Processing Standards

Find and replace specific text or regex patterns within chosen columns or across the entire CSV table.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Desktop max file size: 50MB
  • Mobile max file size: 20MB

CSV Find and Replace is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use CSV Find and Replace

  1. 1
    Input CSVPaste your CSV table.
  2. 2
    Set Search & ReplaceEnter search text, replacement string, and target column.
  3. 3
    ReplaceExecute substitution and download the modified dataset.

Examples

Replace Status Terms
Input: user,status Alice,pending_review Bob,pending_review
Result: Replace "pending_review" with "active": user,status Alice,active Bob,active

Common Use Cases

  • Correcting misspelled department or category names across thousands of records
  • Replacing deprecated status codes with modern terminology
  • Sanitizing confidential account numbers with masked strings

Frequently Asked Questions (FAQ)

Can I use regular expressions in find and replace?

Yes, regex search patterns are supported, including capture groups in replacements.

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