Question 1

Is this JSON formatter free and safe?

Accepted Answer

Yes. It is completely free, and all formatting happens locally in your browser — your JSON is never uploaded or stored.

Question 2

What is the difference between Format and Minify?

Accepted Answer

Format (beautify) adds indentation and line breaks for readability. Minify removes all unnecessary whitespace to make the JSON as small as possible for transmission.

Question 3

Why does it say my JSON is invalid?

Accepted Answer

JSON has strict rules: keys must be double-quoted, no trailing commas, and no comments. The error message shows where parsing failed so you can locate the issue.

Question 4

Can it handle large JSON files?

Accepted Answer

Yes. Because everything runs in your browser, it can format large payloads quickly without upload limits, as long as your device has enough memory.

Question 5

Does it support comments or trailing commas?

Accepted Answer

It validates standard JSON (RFC 8259). Comments and trailing commas are not valid JSON and will be reported as errors.

JSON Formatter& Validator

JSON Formatter
& Validator