Understand the edge case, then test your own data.
Short, technical explanations connected directly to a local tool.
How to fix invalid JSON without guessing
A systematic way to locate syntax failures, choose safe repairs, and verify the result.
6 min readJSON trailing commas, explained
Why JavaScript may accept a construct that strict JSON rejects, and how to remove it safely.
4 min readJSON vs JSONC: comments are a contract choice
Understand the syntax and interoperability differences between JSON, JSONC, and JSON5.
5 min readGenerate JSON Schema from examples carefully
Infer useful types and required fields without mistaking observations for guarantees.
7 min readJSONPath cheat sheet for everyday payloads
Navigate properties, arrays, wildcards, recursive keys, and equality filters.
5 min readHow to compare JSON while ignoring key order
Choose structural, semantic, and identity-aware comparison instead of text diff noise.
6 min readWhy JavaScript loses precision on large JSON integers
Understand the 2^53−1 boundary and keep identifiers exact across tools.
6 min readDuplicate JSON keys: valid-looking, ambiguous data
Why consumers disagree and how to find duplicates before they disappear.
5 min readHow to inspect large JSON without freezing the browser
Move parsing off the main thread, retain the document, and render only what is visible.
7 min read