The details make the difference.
Small, reproducible examples for the moments when “just convert it” is not quite enough.
Keep 00123 as 00123 when converting CSV to JSON
A postal-code example with quoted commas, multiline cells and an explicit all-strings conversion policy.
5 min read ↗JSONFix JSON without silently changing the data
Find syntax errors, duplicate keys and oversized numeric IDs before treating formatted output as trustworthy.
5 min read ↗YAML / JSONYAML values that look like strings—but are not
Check booleans, identifiers and null values under an explicit YAML 1.2 core schema.
5 min read ↗JSON / COMPARECompare JSON changes without object-key noise
An order-status example that separates changed fields from formatting and explains ordered arrays.
4 min read ↗CSV / CLEANINGClean a CSV in an order you can explain
Why trimming and selecting columns affect which records count as duplicates.
5 min read ↗TEXT / CLEANINGTurn a pasted list into predictable, reusable text
A small contact-list walkthrough covering exact duplicates, literal replacement and candidate extraction.
4 min read ↗Bring an example to life.
Every tutorial links to a working tool. Start with the sample, compare the result, then change one thing at a time.