Find your next JSON tool
From a broken payload to typed code, test fixtures or a spreadsheet. All 19 tools process your data on your device.
19 tools
JSON Fixer
Repair common malformed JSON syntax.
Open tool →JSON Minifier
Compact JSON while preserving numeric precision.
Open tool →JSON Diff
Compare changes, ignore paths and generate JSON Patch.
Open tool →JSON Viewer
Explore, search and extract JSON nodes and paths.
Open tool →Schema Validator
Validate draft-07 JSON Schema or infer one from examples.
Open tool →JSON to CSV
Convert records to CSV, with optional nested object flattening.
Open tool →CSV to JSON
Parse delimited records with type detection.
Open tool →JSON ⇄ YAML
Convert JSON and YAML in both directions.
Open tool →JSON ⇄ XML
Convert XML and JSON with attributes.
Open tool →JSON ⇄ TOML
Convert TOML configuration and JSON.
Open tool →JSON Escape / Unescape
NewEscape JSON into a string or unescape embedded JSON one layer at a time. Preserve large numbers, preview the result and download locally.
Open tool →JSONL / NDJSON Converter
NewConvert JSON arrays to JSONL or NDJSON and back. Validate each record, find error line numbers and export selected valid records in your browser.
Open tool →JSON to TypeScript
NewGenerate TypeScript interfaces from JSON samples. Infer nested objects, arrays, optional fields and unions locally, then download a .ts file.
Open tool →JSON to Zod
NewGenerate Zod schemas and inferred TypeScript types from JSON examples. Handle nested data, nullable fields and multiple samples without uploading data.
Open tool →JSON Formatter
NewFormat JSON with 2 spaces, 4 spaces or tabs. Sort object keys, locate errors and preserve large integers and decimal precision entirely in your browser.
Open tool →JSON Redactor
NewRedact JSON fields by name or JSON Pointer. Mask tokens, emails and nested secrets, preview matched fields, and export without uploading your data.
Open tool →JSON Mock Generator
NewGenerate mock JSON from draft-07 JSON Schema. Choose sample count and seed, validate the generated data and download test fixtures locally.
Open tool →JSON to Excel
NewPreview a JSON array as a table, choose columns, flatten nested objects and export Excel XLSX or CSV. Large integer IDs stay intact as text.
Open tool →JSON Patch
NewApply RFC 6902 JSON Patch operations to a JSON document locally. Validate paths, preview the updated document and download the result.
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