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Bethemesh
Data & spreadsheets

CSV Filter

Keep only the rows that match your chosen filter criteria, including text matches, exact values, or numeric comparisons.

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  • 100% local
  • Instant
  • Free
  • No account
  • Works offline
  • Clipboard

Why use this tool?

Filter CSV rows by column, text, empty values, or numeric comparison rules.

100% local and secure

Your data stays on your device and is never sent to our servers.

Smart processing

Clean, structure, and transform your data with rules tailored to the format being processed.

Supported formats

CSV, XLSX, and other tabular formats depending on each tool’s capabilities.

Save time

Get a clean, ready-to-use result in seconds without installing software or configuring a complex workflow.

Fonctionnement

How does this tool work?

The tool resolves the selected column by name or number and applies the chosen condition to every row. Comparisons can ignore case and whitespace, while numeric operators convert valid values before keeping only matching records.

Use cases

Extract a segment

Keep only customers, products, or events that match a selected criterion.

Clean a dataset

Remove empty rows or values that do not meet a threshold.

Prepare a subset

Create a targeted CSV before analysis or a specialized import.

Guide

How to use this tool

  1. 1

    Add the data

    Paste the CSV or provide the information required by the tool.

  2. 2

    Configure processing

    Choose the columns, rules, or options that match your objective.

  3. 3

    Review the result

    Check the report, then copy or download the generated data.

Tips and best practices

  • Keep a copy of the source file before applying an important transformation.
  • Check the delimiter and header-row setting before running the operation.
  • All processing stays in your browser and no CSV file is uploaded.

Frequently asked questions

Are my CSV data uploaded?

No. Parsing, comparisons, and transformations are executed locally in your browser.

Are quoted fields supported?

Yes. The CSV engine supports delimiters inside quoted fields and multiline quoted content.

Can I download the result?

Yes. When a new CSV is produced, it can be copied or downloaded directly from the page.

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