Overview
Smart JSON Repair helps you repair common json-ish input into strict json. This guide focuses on practical workflows, common pitfalls, and copy/paste friendly examples.
Pro time-savers
- Batch repair (per line)
Use cases
- Debug API responses quickly (format/minify/repair).
- Extract fields or convert between JSON and other formats.
- Prepare clean snippets for issues, docs, and PR reviews.
Common pitfalls
- Strict JSON does not allow comments, trailing commas, or single quotes.
- Large payloads may be slow in the browser—split or sample when needed.
FAQs
What does Pro unlock here?
On this tool, Pro unlocks: Batch repair (per line).
Does this upload my data?
No. By default, tools run locally in your browser.
Why is my input invalid?
Most failures are caused by non-standard formats, hidden whitespace, or truncated strings. Simplify the input and retry.
Examples
Input
{"a":1,"b":[2,3]}Output
{
"a": 1,
"b": [
2,
3
]
}