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JSON Formatter & Validator
Paste messy JSON and get clean, indented output instantly. ToolOrbit validates structure, points to the exact location of syntax errors, and lets you minify for production — all locally in your browser.
Examples
Input
{"name":"Ada","skills":["math","code"]}Output
{
"name": "Ada",
"skills": [
"math",
"code"
]
}How to use JSON Formatter & Validator
Paste your JSON
Drop your JSON into the input box, or type it directly.
Pick an action
Choose Beautify for readable output or Minify to compress it.
Fix any errors
If the JSON is invalid, we highlight the exact line and reason.
Copy the result
Use the Copy or Download button to grab your formatted JSON.
Why use this tool
Find syntax errors instantly with precise line numbers
Switch between 2-space, 4-space and tab indentation
Minify to shrink payloads for production
Everything runs locally — your data never leaves your device
Frequently asked questions
No. All parsing and formatting happens entirely in your browser. Nothing is sent or stored.
You can format with 2 spaces, 4 spaces, or tabs, and you can minify to a single line.
Yes — files up to several megabytes format instantly. Extremely large files may briefly pause the tab while parsing.
Discussion
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