Input and result
Use TEXT input to produce JSON. Format messy or minified JSON into a clean, readable structure in your browser. Paste JSON, catch syntax errors and copy or download the indented result.
All toolsJSON Formatter · Free online tool
JSON Formatter online
Format messy or minified JSON into a clean, readable structure in your browser. Paste JSON, catch syntax errors and copy or download the indented result.
Local processingNo uploadNo watermark
Browser processing ready
Three simple steps
How to use the JSON Formatter tool
No software, signup or hand-holding required.
01
Enter your data
Paste the text or structured data you want to process.
02
Adjust and process
Choose useful settings, then let your browser create the result.
03
Download instantly
Review the output and save one file or the complete batch.
What to expect
A focused JSON Formatter workflow
Practical limitation
The current workspace accepts up to 1 file, with a 100 MB limit per file.
Common questions
Good to know
Answers specific to this tool and its current capabilities.
What happens when the pasted JSON is invalid?+
Formatting stops and the parser reports the syntax problem so you can correct the source data.
Does formatting change JSON keys or values?+
No. It only adds indentation and line breaks to the parsed structure.
Can formatted JSON be downloaded?+
Yes. After formatting, you can copy the result or save it as a JSON file.