JSON Minifier
Compress JSON by removing all whitespace and formatting. See exactly how much space you save.
Input (formatted / raw)
Minified Output
How to Use the JSON Minifier
Paste your formatted or beautified JSON into the input panel. The minifier will instantly remove all unnecessary whitespace, line breaks, and indentation to produce the most compact version of your JSON.
What Does JSON Minification Do?
JSON minification (also called compression or compacting) removes all whitespace characters that are not inside string values. This includes spaces, tabs, and newlines used for formatting. The resulting JSON is functionally identical but significantly smaller in size.
When to Minify JSON
- API responses -- reduce payload size for faster network transmission.
- Configuration files -- some systems work more efficiently with compact JSON.
- Database storage -- save storage space when storing JSON in databases.
- Environment variables -- fit JSON configuration into env vars with character limits.
- Embedding in code -- compact JSON takes less space when embedded in source code.
Size Savings
Typical JSON minification reduces file size by 20-40%, depending on how much whitespace the original contains. Deeply nested structures with lots of indentation see the biggest savings.
Tips
- Need the reverse operation? Use the JSON Formatter to beautify minified JSON.
- Always validate your JSON before minifying to catch errors early.