{ } JSON Formatter & Validator
Validate, format, and minify JSON. Syntax highlighting and file import. 100% browser-based.
You use this tool often? Pro includes files up to 500 MB and priority processing.
What is JSON Formatter?
WebFileTools JSON Formatter validates, prettifies, and minifies your JSON data with syntax highlighting.
How to use this tool?
Paste your JSON or import a file, then click Format or Minify. Errors are highlighted automatically.
Benefits
- Validation with error location
- Syntax highlighting
- Minify in one click
- 100% local
Frequently Asked Questions
- Can I validate JSON without formatting?
- Yes, the tool checks JSON validity and reports errors with their position.
- Does it support large JSON files?
- Yes, you can import a .json file of any size.
- Can I minify JSON?
- Yes, a single click removes all whitespace to minimize the file.
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Use →What is JSON Formatter?
WebFileTools JSON Formatter validates, prettifies, and minifies your JSON data with syntax highlighting.
How to use this tool?
Paste your JSON or import a file, then click Format or Minify. Errors are highlighted automatically.
Benefits
- Validation with error location
- Syntax highlighting
- Minify in one click
- 100% local
Frequently Asked Questions
- Can I validate JSON without formatting?
- Yes, the tool checks JSON validity and reports errors with their position.
- Does it support large JSON files?
- Yes, you can import a .json file of any size.
- Can I minify JSON?
- Yes, a single click removes all whitespace to minimize the file.
Similar Tools
JSON ↔ CSV Converter
Convert JSON to CSV and vice versa. File import and one-click export. 100% in the browser.
Use →Base64 Encoder
Encode/decode text or a file to Base64. Data URL and one-click copy. 100% in the browser.
Use →Word Counter
Count words, characters, sentences, and paragraphs in your text. Estimated reading and speaking time. 100% in the browser.
Use →