Check whether your JSON is valid and identify syntax errors instantly.
Characters
Lines
UTF-8 Bytes
Syntax Checking
Detect malformed JSON and JavaScript-style syntax errors.
Root Type
Identify whether the JSON root is an object, array, string, number, boolean, or null.
Statistics
View character, line, and UTF-8 byte counts.
Browser-Based
JSON is parsed locally without sending the content to a server.