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JSON Tools
JSON Minifier
Remove unnecessary whitespace from valid JSON.
Browser workspace
⌘ / Ctrl + Enter to runJSON Minifier
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Privacy-first processing
Your data stays private. All processing happens locally in your browser. Nothing is uploaded to our servers.
Why use JSON Minifier?
Produce compact JSON for fixtures, payloads, and size-sensitive transfers while retaining the same data.
Standards-based JSON parsing
Byte reduction statistics
Downloadable .json output
How to use it
- 1
Paste valid JSON.
- 2
Select Minify JSON.
- 3
Review the size change and export the result.
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Common use cases
Prepare a compact request payload
Example
{
"project": "DevHuub",
"private": true,
"features": [
"fast",
"local"
]
}Frequently asked questions
Is JSON Minifier free?
Yes. JSON Minifier is free to use and requires no account.
Does JSON Minifier upload my JSON?
No. The processing in this tool runs in your browser and does not send the JSON to our servers.
Can I use JSON Minifier on mobile?
Yes. The workspace adapts to modern mobile, tablet, and desktop browsers.
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