JSON minifier. Files come out right the first time.">

How I Fixed a Broken Online JSON Formatter and Validator Process

2026-07-12 · 3 min read

Our CI pipeline was deploying with 4-space indented JSON — 85KB per response, called 10,000 times a day. That's 850MB of daily bandwidth wasted on whitespace. A quick minify dropped it to 52KB with zero functional changes.

The Solution Is Simpler Than You Think

Most people overthink this problem. The actual fix is straightforward once you understand what JSON Schema Draft 2020-12 (json-schema.org) actually requires. Here is what matters:

I built our JSON minifier to handle all three requirements in a single step. No configuration, no quality trade-offs.

What Changed After I Switched

My client revision requests dropped by about 80%. The files are right the first time because the converter does not take shortcuts. Try it on your next batch →

Sam Taylor Written by Sam Taylor — Full-Stack Developer. More about me →