Press Space on any JSON file in Finder — and actually read it.
Get it on the Mac App StoreLine-delimited logs are the reason this exists. Every record is pretty-printed and numbered instead of shown as one endless line.
Pretty, a collapsible Tree, Compact for scanning, and Raw with exact file line numbers. Your choice is remembered.
A bad record is flagged inline with its exact line and column. Everything else still renders — the preview is never blank.
Only the head of the file is read, and a banner tells you exactly how much you're seeing. No spinner, no beachball.
Right-click any node in the tree to copy its value, its key, or its full key path.
No network access, no analytics, no data collection. Sandboxed and read-only.
.json · .jsonl · .ndjson · .geojson · .jsonc · .json5
.har · .webmanifest · .ipynb · .map