Paste the almost-JSON an LLM handed you — markdown fences, single quotes, trailing commas, Python literals, or output that got cut off — and watch mend turn it into something json.loads accepts. The real Python library runs in your browser; no install, no keys.
The left badge is whether the standard json.loads accepts the input; the right badge is whether mend's output is valid JSON. Edit the input freely — repair runs live on every keystroke. Python fetched verbatim from src/mend.