JSON Formatter / Validator
Format, minify, or validate any JSON in your browser. Choose indent style and see error details for invalid input.
JSONPath Help
name — top-level property
address.city — nested property (dot notation)
skills[0] — specific array index
skills[*] — all items in an array
users[*].name — property of every item in an array
Note: Simple dot/bracket notation only. Arrays support [*] for wildcard and [N] for index.
How to use JSON Formatter / Validator
- Paste your JSON.
- Click Format, Minify, or Validate.
- Copy the result.
What is JSON Formatter / Validator?
Pretty-print JSON for readability, minify it for transmission, or validate that an input parses cleanly. Validation surfaces parser errors and the position where parsing failed. All processing is local — your data never leaves your browser.
FAQ
- Does it support large files?
- Yes — handles JSON up to several megabytes comfortably in modern browsers.
- What standards does it follow?
- Strict RFC 8259 JSON. Comments and trailing commas are not allowed.
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