CSV Validator
Validate CSV syntax and structure — checks column consistency, unclosed quotes, and empty headers.
Quick Tip
Use a header row and consistent column counts for all data rows.
CSV Validator
Validate CSV structure and quickly identify row width mismatches, quote issues, and header problems.
CSV Input
Paste raw CSV content including headers and all data rows.
Validation Result
Status report showing whether the CSV is valid and what needs fixing if not.
Example input and output
name,age Ada,31 Linus,27
Status: Valid CSV Columns (2): name, age Data rows: 2
Related tools
CSV to JSON Converter
csv-toolsConvert CSV rows with headers into a clean JSON array.
JSON to CSV Converter
csv-toolsConvert a JSON array of objects into CSV with generated headers.
CSV Formatter
csv-toolsNormalize CSV by parsing and re-emitting with consistent quoting and proper cell escaping.
CSV Viewer (Table View)
csv-toolsRender CSV data as an interactive table for quick visual inspection.
CSV Column Extractor
csv-toolsKeep only the columns you need. Specify column names and get a slimmed-down CSV.
CSV Column Remover
csv-toolsDrop unwanted columns from a CSV. Specify which columns to remove and get a cleaned result.
CSV Deduplicator
csv-toolsRemove duplicate rows from a CSV, keeping the header and the first occurrence of each unique row.
CSV Cleaner
csv-toolsTrim whitespace and normalize CSV records before conversion.
JSON Escape
json-toolsEscape JSON into a quoted string literal for embedding.
JSON Unescape
json-toolsUnescape a quoted JSON string back into readable JSON or plain text.
JSON Query Tool (jq-like)
json-toolsRun jq-like query expressions to extract or transform JSON data.
CSV to XML Converter
csv-toolsConvert CSV rows into XML records. Each row becomes a record element inside a records root.
CSV to HTML Converter
csv-toolsConvert CSV content into a standalone HTML table document for browser-friendly sharing.
XML to CSV Converter
xml-toolsConvert a structured XML document with repeating record elements into CSV rows.
YAML Validator
yaml-toolsValidate YAML syntax and report the parsed type and top-level keys on success.
XML Validator
xml-toolsCheck XML well-formedness and report the root element and any parse errors with line numbers.
CSV to YAML Converter
csv-toolsConvert CSV rows into YAML arrays of objects.
YAML to CSV Converter
yaml-toolsConvert YAML arrays of records into CSV rows.
JSON Pointer Evaluator
json-toolsEvaluate RFC 6901 JSON Pointer expressions against JSON input.
XML Diff Tool
xml-toolsCompare two XML documents and highlight structural differences.
XPath Evaluator
xml-toolsEvaluate XPath expressions against XML input.
XML Schema Validator (XSD)
xml-toolsValidate XML against a provided XSD schema.
YAML Diff Tool
yaml-toolsCompare two YAML documents and report differences.
YAML Linter
yaml-toolsLint YAML style and structure with stricter quality rules.
YAML Path Evaluator
yaml-toolsEvaluate path expressions against YAML input.
YAML Query Tool
yaml-toolsRun query expressions to extract or transform YAML data.
JSON Linter
json-toolsLint JSON syntax and style with stricter practical checks.
CSV Delimiter Converter
csv-toolsConvert CSV between comma, semicolon, tab, and pipe delimiters.
CSV Statistics
csv-toolsCompute row/column stats and numeric summaries for CSV data.
YAML Schema Validator
yaml-toolsValidate YAML content against a JSON Schema.
XML Escape
xml-toolsEscape XML special characters for safe embedding.
XML Unescape
xml-toolsDecode escaped XML entities back to plain characters.
CSV Formula Applier
csv-toolsAdd computed CSV columns with basic arithmetic formulas.
CSV Encoding Converter
csv-toolsConvert CSV text between UTF-8, Latin-1, and Windows-1252 encodings.
Excel to CSV Converter
csv-toolsConvert a base64-encoded XLSX workbook sheet into CSV.
CSV to Excel Converter
csv-toolsConvert CSV text into an XLSX base64 output envelope.
CSV Column Profiler
csv-toolsProfile CSV columns with inferred type, emptiness, uniqueness, top values, and numeric percentiles.
Format Detection Tool
json-toolsAuto-detect whether input is JSON, XML, YAML, CSV, or plain text.
API Response Formatter
json-toolsDetect, pretty-format, and analyze API responses into a JSON report with HTTP metadata and formatted payload previews.
File Comparison Suite
json-toolsCompare JSON, XML, YAML, CSV, text, or SQL payloads from one unified entry point.
Unified Query Tool
json-toolsRun JSONPath, XPath, XQuery-subset, YAMLPath, and JSONata queries through one tool.
Universal Converter
json-toolsAuto-detect sources and convert across supported JSON, XML, YAML, CSV, and Excel pairs, including structured JSON input and Excel base64 envelopes.
Data Generator
json-toolsGenerate deterministic mock records for JSON/CSV/XML/YAML testing.
CSV Row Transformer
csv-toolsApply per-column transformation rules to CSV data. Chain operations like trim, uppercase, lowercase, rounding, date conversion, and find-replace.
CSV Pivot
csv-toolsCreate a cross-tabulation (pivot table) from flat CSV data. Specify row key, column key, aggregation field, and function (count, sum, mean).
CSV Data Generator
csv-toolsGenerate mock CSV with configurable columns including uuid, email, integer, float, date, boolean, enum, and name.
CSV Chart Viewer
csv-toolsPlot numeric CSV columns as a bar or line chart. Choose axes and chart type; runs 100% in the browser.
CSV Heatmap Viewer
csv-toolsRender CSV as a color-graded table where numeric cells are colored from cool (low) to warm (high) within each column.
Scroll horizontally to view all related tools.
Reverse tools
Next steps
CSV Formatter
csv-toolsNormalize CSV by parsing and re-emitting with consistent quoting and proper cell escaping.
JSON Formatter (Pretty Print)
json-toolsPretty-print JSON with consistent indentation.
JSON Sort Keys
json-toolsSort object keys alphabetically for stable JSON output.
YAML Formatter
yaml-toolsNormalize YAML by parsing and re-emitting with consistent 2-space indentation and block style.
XML Formatter
xml-toolsPretty-print XML with consistent 2-space indentation for improved readability.
YAML Sort Keys
yaml-toolsSort YAML mapping keys alphabetically, recursively.
XML Sort Elements
xml-toolsSort XML element structures for deterministic ordering.
API Response Formatter
json-toolsDetect, pretty-format, and analyze API responses into a JSON report with HTTP metadata and formatted payload previews.
Scroll horizontally to view all next-step tools.
Included in workflows
CSV to XML Pipeline
Validate CSV data, convert it to XML records, then format the result for clean output.
CSV Deduplication Pipeline
Clean CSV whitespace, remove duplicate rows, then validate the deduplicated result.
Slim CSV and Deduplicate
Remove unwanted columns, deduplicate rows, then validate the final CSV.
Full CSV Quality Pipeline
Validate, clean, deduplicate, and reformat CSV in a single end-to-end workflow.
CSV Validate and Format
Validate CSV structure and normalize quoting/escaping in one quick flow.
CSV Profile, Filter, and Preview
Validate and clean CSV input, then preview the normalized result in a table.
CSV Split, Dedupe, Quality Gate
Normalize CSV formatting, deduplicate records, then validate structural integrity.
CSV Clean and Validate
Clean noisy CSV values and validate the resulting structure.
Validate CSV then CSV Delimiter Converter
Validate raw CSV first, then run CSV Delimiter Converter for a safe, repeatable pipeline.
Validate CSV then CSV Encoding Converter
Validate raw CSV first, then run CSV Encoding Converter for a safe, repeatable pipeline.
Validate CSV then CSV Filter
Validate raw CSV first, then run CSV Filter for a safe, repeatable pipeline.
Validate CSV then CSV Formula Applier
Validate raw CSV first, then run CSV Formula Applier for a safe, repeatable pipeline.
Validate CSV then CSV Header Editor
Validate raw CSV first, then run CSV Header Editor for a safe, repeatable pipeline.
Validate CSV then CSV Join/Merge Tool
Validate raw CSV first, then run CSV Join/Merge Tool for a safe, repeatable pipeline.
Validate CSV then CSV Splitter
Validate raw CSV first, then run CSV Splitter for a safe, repeatable pipeline.
Validate CSV then CSV Statistics
Validate raw CSV first, then run CSV Statistics for a safe, repeatable pipeline.
Validate CSV then CSV to HTML Converter
Validate raw CSV first, then run CSV to HTML Converter for a safe, repeatable pipeline.
Extract Columns then Validate CSV
Keep only required columns first, then validate the reduced dataset for safe handoff.
Remove PII Columns and Validate CSV
Strip sensitive columns before validating final CSV shape for safe sharing.
Transpose CSV then Validate CSV
Transpose matrix-style CSV data, then validate the resulting table structure.
CSV to Excel Roundtrip Check
Validate CSV, convert it to Excel, then convert back to CSV to verify roundtrip compatibility.
Clean CSV Excel Handoff Validation
Clean CSV before Excel export, then re-import to CSV and validate the returned dataset.
CSV Delimiter Converter: Quality Gate
Run CSV Delimiter Converter in a guardrailed pipeline that validates and prepares data for downstream consumption.
CSV Encoding Converter: Quality Gate
Run CSV Encoding Converter in a guardrailed pipeline that validates and prepares data for downstream consumption.
CSV Filter: Quality Gate
Run CSV Filter in a guardrailed pipeline that validates and prepares data for downstream consumption.
CSV Formula Applier: Quality Gate
Run CSV Formula Applier in a guardrailed pipeline that validates and prepares data for downstream consumption.
CSV Header Editor: Quality Gate
Run CSV Header Editor in a guardrailed pipeline that validates and prepares data for downstream consumption.
CSV Join/Merge Tool: Quality Gate
Run CSV Join/Merge Tool in a guardrailed pipeline that validates and prepares data for downstream consumption.
CSV Splitter: Quality Gate
Run CSV Splitter in a guardrailed pipeline that validates and prepares data for downstream consumption.
CSV Statistics: Quality Gate
Run CSV Statistics in a guardrailed pipeline that validates and prepares data for downstream consumption.
CSV to Excel Converter: Quality Gate
Run CSV to Excel Converter in a guardrailed pipeline that validates and prepares data for downstream consumption.
CSV to HTML Converter: Quality Gate
Run CSV to HTML Converter in a guardrailed pipeline that validates and prepares data for downstream consumption.
Excel to CSV Converter: Quality Gate
Run Excel to CSV Converter in a guardrailed pipeline that validates and prepares data for downstream consumption.
Profile and Clean CSV
Profile CSV columns first, then clean and validate the dataset.
Transform CSV and Validate
Transform CSV rows with rules, then validate the cleaned output.
Pivot CSV and Validate
Create a pivot table from CSV data, then validate the output.
Generate and Validate CSV
Generate mock CSV data and validate structure before conversion.
Anomaly Check Before Load
Detect anomalies, validate CSV shape, then convert to JSON for loading.
Scroll horizontally to view all workflows.