JSON Tools
Validation, formatting, querying, and schema workflows for JSON.
JSON Formatter (Pretty Print)
json-toolsPretty-print JSON with consistent indentation.
JSON Diff (Compare)
json-toolsCompare two JSON documents and highlight differences.
JSON Sort Keys
json-toolsSort object keys alphabetically for stable JSON output.
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 Flatten
json-toolsFlatten nested JSON objects into single-level key paths.
JSON Unflatten
json-toolsRebuild nested JSON from flattened path-based keys.
JSON Schema Generator
json-toolsGenerate a draft JSON Schema from sample JSON input.
JSON Schema Validator
json-toolsValidate JSON data against a provided JSON Schema.
JSON Path Evaluator
json-toolsEvaluate JSONPath expressions against JSON input.
JSON Query Tool (jq-like)
json-toolsRun jq-like query expressions to extract or transform JSON data.
JSON to XML Converter
json-toolsConvert JSON objects or arrays into well-formed XML.
JSON to YAML Converter
json-toolsConvert JSON objects and arrays into clean, human-readable YAML.
JSON Merge Tool
json-toolsMerge multiple JSON documents into one output object.
JSON Filter
json-toolsFilter JSON records using key/value conditions.
JSON Pointer Evaluator
json-toolsEvaluate RFC 6901 JSON Pointer expressions against JSON input.
JSON Linter
json-toolsLint JSON syntax and style with stricter practical checks.
JSON Patch Generator
json-toolsGenerate RFC 6902-style patch operations from left/right JSON values.
JSON Patch Applier
json-toolsApply RFC 6902-style patch operations to JSON data.
JSON Size Analyzer
json-toolsAnalyze JSON size and structural complexity metrics.
JSON to SQL Converter
json-toolsConvert JSON row objects into SQL INSERT statements.
JSON to Excel Converter
json-toolsConvert JSON row objects into an XLSX base64 output envelope.
JSON Tree Viewer
json-toolsRender JSON as an interactive collapsible tree with type labels and copyable paths.
JSON Table Viewer
json-toolsRender a JSON array of objects as a sortable, searchable table for fast inspection.
JSON Type Profiler
json-toolsProfile field-level type consistency for JSON arrays, including null-rate and unique count metrics.
JSON Schema Analyzer
json-toolsAudit JSON Schema complexity with required/optional coverage, depth, and missing description checks.
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.
JSON Array Mapper
json-toolsProject and rename fields from a JSON array of objects. Select which columns to keep and optionally rename them.
JSON Group By
json-toolsGroup a JSON array of objects by a specified field. Output as a keyed object or as an array of groups.
JSON Template Generator
json-toolsGenerate a valid JSON template from JSON Schema using defaults, examples, enums, and type placeholders.
UUID / ID Generator
json-toolsGenerate UUID or sequential IDs in JSON array, newline, or CSV formats.
Timestamp Generator
json-toolsGenerate timestamps in multiple formats for offsets from an anchor date.
Regex Test Data Generator
json-toolsGiven a regex pattern, generate N example strings that match it. Useful for structured IDs, codes, and format-specific mock values.