Browse the toolkit

Data tools

106 focused tools, ready to use in your browser.

Data

JSON Minifier

Remove unnecessary JSON whitespace while preserving the parsed data structure.

Data

JSON Diff

Compare JSON values structurally and list added, removed, or changed paths.

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JSON Key Sorter

Sort object properties throughout a JSON document while retaining array order.

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JSON String Escaper

Encode text as a JSON string literal or decode one JSON string into readable text.

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JSON Flattener

Flatten nested JSON into a JSON Pointer map of leaf values without ambiguous dotted keys.

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JSON Path Query

Select JSON values using a restricted, safe path grammar with array indices and wildcards.

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JSON to TypeScript

Infer a TypeScript type alias from a JSON sample, including nested objects and array unions.

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JSON to YAML

Convert parsed JSON into readable YAML using the standard YAML core schema.

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YAML to JSON

Convert one standard YAML document to JSON with duplicate-key and unsafe-tag rejection.

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XML to JSON

Convert XML into an ordered JSON element tree that retains attributes and mixed text content.

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CSV to JSON

Convert a header-based CSV table into JSON records while preserving every cell as text.

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CSV to SQL Inserts

Generate quoted SQLite or PostgreSQL INSERT statements from CSV without executing SQL.

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CSV to Markdown Table

Turn a CSV table into a Markdown table with escaped cell markup and preserved line breaks.

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CSV Transposer

Swap CSV rows and columns while retaining quoted delimiters and multiline cell values.

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CSV Column Extractor

Select and reorder CSV columns by exact header names without uploading the table.

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CSV Deduplicator

Remove repeated CSV records by full row or one selected column, retaining the first match.

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CSV Sorter

Sort CSV records by a text or numeric column while keeping the header and stable ties.

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CSV Row Filter

Keep CSV rows matching a literal column condition with optional case-insensitive comparison.

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CSV Validator

Check CSV quoting and record widths, reporting row and column counts with header warnings.

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Supported JSON Schema Validator

Validate a clearly listed JSON Schema subset, rejecting every unsupported keyword and all references.

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JSON Patch Applier

Apply bounded add, remove, replace, move, copy and test operations to a cloned JSON value.

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NDJSON Converter

Convert a JSON array to independent JSON lines or collect NDJSON records with line-numbered errors.

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CSV Pivot Table

Group CSV records by row and column keys and compute a bounded count, sum or mean pivot.

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Supported CSV Data Schema Validator

Check a small declared CSV schema for column types, required cells and composite primary-key uniqueness.

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Fixed-Width Record Converter

Convert explicitly sized text records to CSV or serialize CSV into bounded fixed-width records.

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CSV Record Comparator

Compare two CSV tables by declared key columns, ignoring record order and reporting cell changes.

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TOML and JSON Workbench

Convert TOML configuration and JSON with explicit type compatibility checks.

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INI Configuration Workbench

Convert INI sections and JSON configuration using a documented INI dialect.

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Java Properties Converter

Decode Java property escapes and continuations or export a flat JSON string map.

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MessagePack and JSON Workbench

Encode JSON as MessagePack hex or decode a compatible binary document.

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CBOR and JSON Workbench

Encode JSON as CBOR hex or decode a compatible binary document.

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XML XPath Tester

Evaluate bounded XPath1 location paths against local XML and inspect scalar or node results.

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CSV Join Workbench

Join two CSV tables by explicit composite keys with inner, left or full record-preserving joins.

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CSV Record Concatenator

Append local CSV records with strict, intersection or union header alignment and source-file provenance.

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CSV Data Profiler

Inspect missing cells, distinct values and conservative type evidence without changing CSV data.

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CSV Foreign Key Checker

Check child records against unique parent composite keys with explicit blank-key handling.

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CSV Multivalue Exploder

Expand a selected multivalue CSV cell into separate records while retaining every other column.

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CSV Stratified Sampler

Sample up to a declared number of CSV records from each exact group without replacement.

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CSV Formula Exposure Auditor

Report formula-like CSV cells using an explicit prefix heuristic without opening a spreadsheet.

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HTML Table Extractor

Extract a selected static HTML table into a bounded CSV grid with explicit span expansion.

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JSON Merge Patch Workbench

Apply RFC7396 object-shaped merge patches or draft a patch between two JSON documents.

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JSON Canonicalization Workbench

Produce RFC8785-style canonical JSON bytes with strict duplicate-member and Unicode checks.

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Supported Schema Example Generator

Generate one deterministic synthetic JSON example for an explicit bounded JSON Schema subset.

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JSON Three-way Merge Review

Reconcile two JSON revisions against a common base and expose atomic-array and scalar conflicts.

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Structured Data Redaction Preview

Replace or remove explicitly selected JSON Pointer fields and show a transparent local change report.

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CSV Chart Builder

Draw a bounded bar or line chart from explicit CSV numeric columns and export the source data.

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CSV Missingness Pattern Auditor

Inspect joint missing-value patterns and complete-case record numbers under an exact token policy.

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Table Unpivot Workbench

Turn selected wide CSV measure columns into variable/value records without aggregating text.