How I Fixed a Broken JSON Formatter Process

2026-07-23 · 3 min read

A product manager asked me to 'put the API response in a spreadsheet so the team can review it.' The JSON was a 200KB nested object. Writing a Python script would have taken 15 minutes. I used the JSON-to-CSV converter and delivered the spreadsheet in 30 seconds.

When You Actually Need This — And When You Do Not

Not every file needs this conversion. I learned to ask two questions before touching a single file. First: what is the final destination? If it is a modern browser, the native format might work fine — JSON Schema Draft 2020-12 (json-schema.org) confirms that browser support is broader than most developers assume. Second: does the target platform have a format requirement? Some CMS platforms, email clients, and print workflows demand specific formats and will reject anything else.

I wasted hours early in my career converting files that did not need converting. Now I only reach for our JSON to XML tool when the destination actually requires it. The time saved adds up fast when you process hundreds of files a month.

The Workflow I Settled On After Too Many Do-Overs

I used to convert files one at a time, checking each output manually. That worked for ten files. It did not work for two hundred. After one particularly painful project where I had to redo thirty files because I missed a transparency setting, I built a routine that has not failed me since.

The key is doing three things in order: validate the source format against RFC 8259 / ECMA-404 JSON specification, pick the right output settings for the destination, then spot-check the first three outputs before batch-processing the rest. Our JSON to CSV converter handles the second step automatically — it detects what the destination needs and applies the right settings without me having to remember every format quirk.

One Check I Run Before Calling Any Export Done

Open the output file on a dark background. Just do it. Half the transparency issues I have seen in production were invisible on white backgrounds. The alpha channel looked fine until someone dropped the image onto a dark mode UI, and suddenly there was a white halo around every edge.

This single habit — flipping the background from light to dark — has caught more bad exports than every other check combined. It takes five seconds and has saved me from redoing entire batches. Try it on your next export →

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