webutilities.tools

CSV Column Extractor

Keep only the columns you need. Specify column names and get a slimmed-down CSV.

In: csvOut: csvTask: transform

CSV Column Extractor

Keep only the columns you need. Specify column names and get a slimmed-down CSV.

Enter column names separated by commas, e.g. name,city

CSV Input

Paste the CSV you want to filter.

Extracted CSV

CSV with only the selected columns.

Workspace actions

Keep only the columns you need and discard the rest.

Column filter

Example input and output

Example CSV
columns: name,city
name,age,city
Ada,31,Berlin
Linus,27,Helsinki
Example CSV
name,city
Ada,Berlin
Linus,Helsinki

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Convert JSON arrays into CSV rows.

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CSV Validator

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Validate CSV syntax and structure — checks column consistency, unclosed quotes, and empty headers.

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CSV Formatter

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Normalize CSV by parsing and re-emitting with consistent quoting and proper cell escaping.

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CSV Viewer (Table View)

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Render CSV data as an interactive table for quick visual inspection.

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CSV Column Remover

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Drop unwanted columns from a CSV. Specify which columns to remove and get a cleaned result.

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CSV Deduplicator

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Remove duplicate rows from a CSV, keeping the header and the first occurrence of each unique row.

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CSV Cleaner

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Trim whitespace and normalize CSV records before conversion.

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CSV to XML Converter

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Convert CSV rows into XML records. Each row becomes a record element inside a records root.

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CSV to HTML Converter

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Convert CSV content into a standalone HTML table document for browser-friendly sharing.

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XML to CSV Converter

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Convert a structured XML document with repeating record elements into CSV rows.

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CSV to YAML Converter

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Convert CSV rows into YAML arrays of objects.

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YAML to CSV Converter

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Convert YAML arrays of records into CSV rows.

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CSV Sorter

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Sort CSV rows by one or more columns.

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CSV Filter

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Filter CSV rows by column conditions.

In: csv, queryOut: csv
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CSV Join/Merge Tool

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Join two CSV datasets on a shared key.

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CSV Splitter

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Split CSV content into smaller row chunks.

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CSV Transpose

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Transpose CSV rows and columns.

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CSV Header Editor

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Rename, add, or remove CSV headers.

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CSV Delimiter Converter

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Convert CSV between comma, semicolon, tab, and pipe delimiters.

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CSV Statistics

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Compute row/column stats and numeric summaries for CSV data.

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CSV Formula Applier

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Add computed CSV columns with basic arithmetic formulas.

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CSV Encoding Converter

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Convert CSV text between UTF-8, Latin-1, and Windows-1252 encodings.

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Excel to CSV Converter

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Convert a base64-encoded XLSX workbook sheet into CSV.

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CSV to Excel Converter

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Convert CSV text into an XLSX base64 output envelope.

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Universal Converter

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Auto-detect sources and convert across supported JSON, XML, YAML, CSV, and Excel pairs, including structured JSON input and Excel base64 envelopes.

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Data Generator

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Generate deterministic mock records for JSON/CSV/XML/YAML testing.

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Reverse tools

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Next steps

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Included in workflows

Extract Columns and Convert to JSON

Pull only the columns you need from a CSV, then convert the slimmed-down data to JSON.

Beginner~2 min
Open workflow

FAQ