webutilities.tools

CSV Filter

Filter CSV rows by column conditions.

In: csv, queryOut: csvTask: query

CSV Filter

Filter rows using a column condition. Use numeric comparisons or text operators.

CSV Input

Paste CSV data and choose a filter condition above.

Filtered CSV

Rows that match the condition are kept with the original header row.

Workspace actions

Run a condition-based filter to quickly isolate matching rows.

Row filtering

Example input and output

Example CSV, QUERY
column: age
operator: gte
value: 30
name,age,city
Ada,31,Berlin
Linus,27,Helsinki
Example CSV
name,age,city
Ada,31,Berlin

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Convert CSV rows with headers into a clean JSON array.

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JSON to CSV Converter

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Convert a JSON array of objects into CSV with generated headers.

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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 Extractor

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

In: csvOut: csv
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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.

In: csvOut: csv
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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.

In: csvOut: csv
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JSON Query Tool (jq-like)

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Run jq-like query expressions to extract or transform JSON data.

In: json, queryOut: json, text
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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.

In: csvOut: xml
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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.

In: xmlOut: csv
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CSV to YAML Converter

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Convert CSV rows into YAML arrays of objects.

In: csvOut: yaml
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YAML to CSV Converter

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Convert YAML arrays of records into CSV rows.

In: yamlOut: csv
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JSON Filter

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Filter JSON records using key/value conditions.

In: json, queryOut: json
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CSV Sorter

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Sort CSV rows by one or more columns.

In: csvOut: csv
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CSV Join/Merge Tool

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Join two CSV datasets on a shared key.

In: csvOut: csv
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CSV Splitter

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Split CSV content into smaller row chunks.

In: csvOut: csv
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CSV Transpose

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Transpose CSV rows and columns.

In: csvOut: csv
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CSV Header Editor

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Rename, add, or remove CSV headers.

In: csvOut: csv
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YAML Query Tool

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Run query expressions to extract or transform YAML data.

In: yaml, queryOut: yaml, text
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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.

In: csvOut: csv
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Excel to CSV Converter

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Convert a base64-encoded XLSX workbook sheet into CSV.

In: xlsxOut: csv
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CSV to Excel Converter

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Convert CSV text into an XLSX base64 output envelope.

In: csvOut: xlsx
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CSV Column Profiler

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Profile CSV columns with inferred type, emptiness, uniqueness, top values, and numeric percentiles.

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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.

In: textOut: json, xml, yaml, csv, xlsx
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Data Generator

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

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CSV Row Transformer

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Apply per-column transformation rules to CSV data. Chain operations like trim, uppercase, lowercase, rounding, date conversion, and find-replace.

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CSV Pivot

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Create a cross-tabulation (pivot table) from flat CSV data. Specify row key, column key, aggregation field, and function (count, sum, mean).

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CSV Data Generator

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Generate mock CSV with configurable columns including uuid, email, integer, float, date, boolean, enum, and name.

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CSV Chart Viewer

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Plot numeric CSV columns as a bar or line chart. Choose axes and chart type; runs 100% in the browser.

In: csvOut: rendered-chart
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CSV Heatmap Viewer

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Render CSV as a color-graded table where numeric cells are colored from cool (low) to warm (high) within each column.

In: csvOut: rendered-table
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Scroll horizontally to view all related tools.

Reverse tools

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Next steps

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Included in workflows

Validate CSV then CSV Filter

Validate raw CSV first, then run CSV Filter for a safe, repeatable pipeline.

Beginner~2 min
Open workflow

Clean CSV then CSV Filter

Normalize CSV structure before running CSV Filter to reduce downstream surprises.

Beginner~2 min
Open workflow

CSV Filter Output Sanity Check

Run CSV Filter and immediately inspect the resulting payload format to verify the output is ready for the next handoff.

Beginner~2 min
Open workflow

CSV Filter: Quality Gate

Run CSV Filter in a guardrailed pipeline that validates and prepares data for downstream consumption.

Beginner~2 min
Open workflow

CSV Filter: Delivery Flow

Use CSV Filter as a middle step, then shape output for delivery to APIs, reports, or handoff files.

Intermediate~3 min
Open workflow

Full CSV Data QA

Run end-to-end CSV quality checks with anomaly detection and filtering.

Intermediate~5 min
Open workflow

Scroll horizontally to view all workflows.

FAQ