sandboxmax

JSON Config File Minifier

Pre-loaded with a deeply indented workspace settings file. Hit Minify to flatten it to a single line — the size readout shows exactly how many bytes the whitespace was costing — and Beautify to bring the indentation back. Round-trip as many times as you like; it all happens on your CPU.

runs 100% in your browser — payloads stay private

  1. 1Paste your JSONRaw, messy, or broken — the diagnostic banner shows the exact line and column of any syntax error.
  2. 2Fix & formatBeautify with tab indentation or flatten to a minified single line, with live byte savings.
  3. 3Query with pathsType servers[0].metrics.cpu-style paths to extract just the branch you need from big payloads.

Formatted output

Parsed with your browser’s native JSON.parse — nothing you paste here is uploaded, logged, or sent anywhere.

More JSON tools

Is it safe to paste sensitive data into the JSON Config File Minifier?

Yes. The JSON Config File Minifier runs 100% client-side inside your browser thread — nothing you paste is uploaded, logged, or transmitted. SandboxMax is a static site with no backend server, no cookies, and no trackers: open your browser's network panel while you work and you'll see zero requests leave the tab.