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CODINGVILA COLLECTION

Data tools

Format, validate, and convert structured data without sending it away.

63 focused tools225 dedicated converters

EXPLORE BY PURPOSE

Choose a data workflow

Open a complete collection, or jump directly to one of its recommended tools.

17 toolsJSON formatting & inspection

Format, validate, inspect, and reshape JSON data.

18 toolsCSV & tabular data

Validate and transform delimited tables and column-based data.

7 toolsXML processing

Format, validate, inspect, and transform XML documents.

4 toolsYAML configuration

Format, validate, and transform YAML configuration files.

17 toolsSchemas & structured formats

Work with TOML, INI, ENV, properties, schemas, MIME types, and fixtures.

ALL UTILITIES

Browse every data tool

Open a utility below, or search the complete catalog by task, action, or format.

JSON Formatterformat compact JSON into readable, indented data.

JSON Validatorcheck JSON syntax and pinpoint common errors.

JSON Minifierremove insignificant whitespace from valid JSON.

JSON to CSVturn an array of flat JSON objects into CSV.

CSV to JSONconvert a CSV table with headers into JSON records.

CSV Validatorvalidate row widths, quoting, and table structure before importing CSV.

YAML Formatter & Beautifiervalidate and format YAML into a clean, readable structure.

XML Formatterindent valid XML, XHTML, and XML configuration documents for easier reading.

XML Validatordetect XML parsing errors in supplied markup.

XML Minifierremove whitespace between XML elements.

JSON Key Sortersort object keys recursively while preserving array order and values.

JSON Flattenflatten nested JSON objects into configurable dot-path keys.

JSON Unflattenrebuild nested JSON objects and arrays from dot-path keys.

JSON Null & Empty Value Cleanerremove null, empty-string, empty-array, and empty-object values recursively.

JSONLines Validatorvalidate one JSON value per non-empty line and report the record count.

JSON String Escape / Unescapeescape text as a JSON string literal or restore a JSON string to text.

CSV Statisticsanalyze CSV dimensions, empty cells, duplicate rows, and column completeness.

JSON Tree Viewerrender nested objects and arrays as an indented text tree with value types.

JSON Diffcompare two valid JSON documents by path and report added, removed, and changed values.

JSON Path Testerresolve a safe JSONPath subset using dot properties, quoted properties, and numeric array indexes.

JSON Path Generatorlist stable paths for every leaf value in a JSON document.

JSON Duplicate Key Checkerdetect repeated keys within the same JSON object before parsers overwrite them.

JSONLines Formattervalidate and normalize JSONLines so each non-empty line contains one compact JSON value.

JSON Sample Data Generatorgenerate a repeatable array of sample records from a JSON object template.

CSV Viewerdisplay CSV records as a readable fixed-width table without executing spreadsheet formulas.

CSV Formatterparse CSV quoting and emit a consistent canonical delimited table.

CSV Column Extractorselect named CSV columns and preserve their requested order.

CSV Column Reordererreorder every CSV column by an explicit header-name list.

CSV Duplicate Row Removerremove exact duplicate data rows while retaining the header and first occurrence.

CSV Sortersort CSV records by a named column with numeric-aware comparison.

CSV Filterkeep CSV rows whose selected column contains or exactly matches a value.

CSV Searchsearch every CSV cell case-insensitively and return matching rows with headers.

CSV Transposeswap CSV rows and columns while retaining empty cells.

CSV Delimiter Converterconvert between comma, semicolon, pipe, and tab delimiters with correct quoting.

CSV Quote & Escape Fixerrepair common quote escaping, validate row widths, and rewrite delimited data with consistent doubled quotes.

Column to Comma-Separated String Converterturn one value per line into a correctly quoted comma, semicolon, pipe, or tab-separated list.

Comma-Separated String to Column Converterparse one quoted delimited record into a clean one-value-per-line column without splitting delimiters inside quotes.

CSV Splittersplit CSV records into labeled chunks that each repeat the original header.

CSV Mergermerge CSV datasets with identical headers separated by a clear document marker.

XPath Testerevaluate a browser-native XPath expression against valid XML and serialize matching nodes or scalar results.

XML Escape / Unescapeescape XML-significant characters or decode well-formed XML entity text.

XML Tree Viewerrender elements, attributes, and non-empty text nodes as a readable hierarchy.

XML Attribute Extractorlist XML element paths, attribute names, and values as CSV.

YAML Validator & Syntax Checkervalidate YAML syntax with the JSON-safe schema and report the root value type.

YAML Compact Flow Formatterserialize valid YAML into compact flow style without changing its parsed JSON-safe values.

YAML Key Sortersort mapping keys recursively while retaining sequence order.

TOML Formatterparse TOML and serialize it with consistent tables, arrays, strings, and spacing.

TOML Validatorvalidate TOML syntax and report the number of top-level keys.

INI Formatterparse INI sections and key-value pairs and emit consistent equals-sign formatting.

ENV File Parserparse dotenv-style assignments into JSON without expanding variables or executing commands.

JSON to ENVconvert a flat JSON object with valid variable names and scalar values into dotenv assignments.

Properties File Parserparse common Java properties key-value syntax and Unicode escapes into JSON.

Fake JSON Data Generatorgenerate deterministic user-shaped JSON records for demos, fixtures, and UI testing.

Mock API Response Generatorwrap JSON data in a predictable HTTP-style status, headers, body, and mock metadata structure.

JSON Schema Generatorinfer a draft 2020-12 JSON Schema from the structure and primitive types in sample JSON.

JSON Schema Validatorvalidate JSON against a safe static subset of JSON Schema type and structural keywords.

JSON Schema Formattervalidate and pretty-print a JSON Schema document for review and version control.

Data URI Generatorencode UTF-8 text as a Base64 data URI with an explicit MIME type.

MIME Type Lookuplook up common MIME types by extension or list extensions for an exact MIME type.

File Extension Lookupidentify the common MIME type and broad file category for a filename or extension.

Properties File Beautifiernormalize Java-style properties assignments, comments, escaped values, and continuation indentation.

ENV File Beautifiernormalize dotenv assignments and comments without expanding variables or executing substitutions.

HOCON Beautifierapply readable spacing and indentation to common HOCON objects, arrays, assignments, substitutions, and comments.

DEDICATED CONVERTER PAGES

Browse every compatible route

Each conversion below has its own working page, guide, validation, FAQs, and related routes.

Universal converter

MAMagic / Auto detect converters15 dedicated pages

HTHTML Table converters14 dedicated pages

CSCSV converters14 dedicated pages

CSV→HTML TableDirect conversion CSV→TSVDirect conversion CSV→Excel / XLSXDirect conversion CSV→JSONStructured mapping CSV→JSON ArrayStructured mapping CSV→JSONLines / NDJSONStructured mapping CSV→XMLStructured mapping CSV→YAMLStructured mapping CSV→TOMLStructured mapping CSV→INIStructured mapping CSV→RDF / TurtleStructured mapping CSV→SQL INSERTStructured mapping CSV→MySQL Query ResultsStructured mapping CSV→ASCII TableDirect conversion

TSTSV converters14 dedicated pages

TSV→HTML TableDirect conversion TSV→CSVDirect conversion TSV→Excel / XLSXDirect conversion TSV→JSONStructured mapping TSV→JSON ArrayStructured mapping TSV→JSONLines / NDJSONStructured mapping TSV→XMLStructured mapping TSV→YAMLStructured mapping TSV→TOMLStructured mapping TSV→INIStructured mapping TSV→RDF / TurtleStructured mapping TSV→SQL INSERTStructured mapping TSV→MySQL Query ResultsStructured mapping TSV→ASCII TableDirect conversion

EXExcel / XLSX converters14 dedicated pages

JSJSON converters14 dedicated pages

JSON→HTML TableStructured mapping JSON→CSVStructured mapping JSON→TSVStructured mapping JSON→Excel / XLSXStructured mapping JSON→JSON ArrayDirect conversion JSON→JSONLines / NDJSONDirect conversion JSON→XMLDirect conversion JSON→YAMLDirect conversion JSON→TOMLDirect conversion JSON→INIDirect conversion JSON→RDF / TurtleDirect conversion JSON→SQL INSERTStructured mapping JSON→MySQL Query ResultsStructured mapping JSON→ASCII TableStructured mapping

JSJSON Array converters14 dedicated pages

JSON Array→HTML TableStructured mapping JSON Array→CSVStructured mapping JSON Array→TSVStructured mapping JSON Array→Excel / XLSXStructured mapping JSON Array→JSONDirect conversion JSON Array→JSONLines / NDJSONDirect conversion JSON Array→XMLDirect conversion JSON Array→YAMLDirect conversion JSON Array→TOMLDirect conversion JSON Array→INIDirect conversion JSON Array→RDF / TurtleDirect conversion JSON Array→SQL INSERTStructured mapping JSON Array→MySQL Query ResultsStructured mapping JSON Array→ASCII TableStructured mapping

JSJSONLines / NDJSON converters14 dedicated pages

XMXML converters14 dedicated pages

XML→HTML TableStructured mapping XML→CSVStructured mapping XML→TSVStructured mapping XML→Excel / XLSXStructured mapping XML→JSONDirect conversion XML→JSON ArrayDirect conversion XML→JSONLines / NDJSONDirect conversion XML→YAMLDirect conversion XML→TOMLDirect conversion XML→INIDirect conversion XML→RDF / TurtleDirect conversion XML→SQL INSERTStructured mapping XML→MySQL Query ResultsStructured mapping XML→ASCII TableStructured mapping

YAYAML converters14 dedicated pages

YAML→HTML TableStructured mapping YAML→CSVStructured mapping YAML→TSVStructured mapping YAML→Excel / XLSXStructured mapping YAML→JSONDirect conversion YAML→JSON ArrayDirect conversion YAML→JSONLines / NDJSONDirect conversion YAML→XMLDirect conversion YAML→TOMLDirect conversion YAML→INIDirect conversion YAML→RDF / TurtleDirect conversion YAML→SQL INSERTStructured mapping YAML→MySQL Query ResultsStructured mapping YAML→ASCII TableStructured mapping

TOTOML converters14 dedicated pages

TOML→HTML TableStructured mapping TOML→CSVStructured mapping TOML→TSVStructured mapping TOML→Excel / XLSXStructured mapping TOML→JSONDirect conversion TOML→JSON ArrayDirect conversion TOML→JSONLines / NDJSONDirect conversion TOML→XMLDirect conversion TOML→YAMLDirect conversion TOML→INIDirect conversion TOML→RDF / TurtleDirect conversion TOML→SQL INSERTStructured mapping TOML→MySQL Query ResultsStructured mapping TOML→ASCII TableStructured mapping

ININI converters14 dedicated pages

INI→HTML TableStructured mapping INI→CSVStructured mapping INI→TSVStructured mapping INI→Excel / XLSXStructured mapping INI→JSONDirect conversion INI→JSON ArrayDirect conversion INI→JSONLines / NDJSONDirect conversion INI→XMLDirect conversion INI→YAMLDirect conversion INI→TOMLDirect conversion INI→RDF / TurtleDirect conversion INI→SQL INSERTStructured mapping INI→MySQL Query ResultsStructured mapping INI→ASCII TableStructured mapping

RDRDF / Turtle converters14 dedicated pages

RDF / Turtle→HTML TableStructured mapping RDF / Turtle→CSVStructured mapping RDF / Turtle→TSVStructured mapping RDF / Turtle→Excel / XLSXStructured mapping RDF / Turtle→JSONDirect conversion RDF / Turtle→JSON ArrayDirect conversion RDF / Turtle→JSONLines / NDJSONDirect conversion RDF / Turtle→XMLDirect conversion RDF / Turtle→YAMLDirect conversion RDF / Turtle→TOMLDirect conversion RDF / Turtle→INIDirect conversion RDF / Turtle→SQL INSERTStructured mapping RDF / Turtle→MySQL Query ResultsStructured mapping RDF / Turtle→ASCII TableStructured mapping

SQSQL INSERT converters14 dedicated pages

MYMySQL Query Results converters14 dedicated pages

ASASCII Table converters14 dedicated pages

Private data tools for everyday work

Format, validate, and convert structured data without sending it away. Each page explains supported input and produces a real result without a server queue.

Why browser-based processing matters

Local processing reduces delay and avoids sending working data to a conversion service. Your browser and device still set practical memory limits, so review large results before production use.