JSON5 to JSON Converter
Turn commented JSON5 with trailing commas and unquoted keys into strict, formatted JSON.
How is JSON5 different from JSON?
JSON5 allows comments, trailing commas, single-quoted strings, and some unquoted keys. This converter parses those conveniences and writes standard JSON for stricter consumers.
Your result
A little clarity, right here.
Start with your own content or load the example. Your result will appear here.
Three simple steps
How to use JSON5 to JSON Converter
Paste your content or choose a supported file.
Adjust the options, then run the tool.
Review the result and copy or download it.
Common questions
Good to know
Understand the result.
Keep the original.
Is this tool free, and are my files uploaded?
This tool is free with no account required. The work happens in your browser. Your input and files are not sent to a processing server.
What are the limits and details?
Comments are removed. Infinity and NaN are rejected because JSON cannot represent them without changing their meaning.
Limits: 500,000 characters per text field; files up to 20 MB each, 10 files and 50 MB total. Processing stops after 30 seconds.