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TRULLZ

Free JSON Minifier

Strip whitespace from JSON.

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How to use the JSON Minifier

  1. 1Paste JSON.
  2. 2Click Minify.
  3. 3Copy the compact result.

Features

  • Byte-savings display
  • Validation included
  • Copy button

Frequently Asked Questions

Does minifying change data?

No — only whitespace outside strings is removed.

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About the JSON Minifier

Minify JSON to a single line and see how many bytes you save. The JSON Minifier runs entirely in your browser — your data is processed locally and never uploaded to a server. Explore more Developer tools or browse all free online tools.