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Minifier

Auto-detects content type (JSON / HTML / CSS / JS / SVG) and minifies. Paste anything.

How to use Minifier

  1. Paste any code — the tool auto-detects whether it's JSON, HTML, CSS, JS, or SVG.
  2. It minifies accordingly, stripping whitespace and comments.
  3. Copy the smaller output.

About this tool

Minifier is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.

Category: Developer Tools. Browse more Developer Tools tools.