TSV Replace Column Values

Replace all values in a designated TSV column with a new constant value or string.

How It Works & Processing Standards

Replace all values in a designated TSV column with a new constant value or string.

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

TSV Replace Column Values 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 TSV Replace Column Values

  1. 1
    Paste TSVEnter tab-separated data.
  2. 2
    Select ColumnChoose target column to overwrite and enter new value.
  3. 3
    Copy ResultExport the updated TSV table.

Examples

Overwrite Status Column
Input: id status 1 pending 2 pending
Result: Replace [status="approved"]: id status 1 approved 2 approved

Common Use Cases

  • Masking sensitive PII fields in TSV exports before sharing
  • Standardizing category labels across database dump files
  • Resetting state values before test runs

Frequently Asked Questions (FAQ)

Is the header name preserved?

Yes, only the data rows below the header are updated.

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