A free local-first JSONL viewer and editor for large files, with validation, search and conversion tools.
jsonl.co
Free online JSONL viewer & editor. Open, search, validate and edit 1GB+ JSONL/NDJSON files right in your browser. No upload, no sign-up, 100% local.
About
jsonl.co is a free, local-first JSONL viewer and editor. It streams .jsonl, .ndjson and .json files of 1GB+ straight in your browser with syntax highlighting, real-time validation and a side-by-side raw/parsed view. Nothing is uploaded and no account is needed. It also includes free converters, a validator and guides.
Features
Local JSONL viewing and editing
Streams large JSONL/NDJSON files in the browser with raw and parsed views, search, editing and real-time validation.
Pricing
Free
$0
Free browser-based viewer, editor, validator and converters; files stay local and no account is needed.
Competitors
View alternativesContact
- Email: feedback@jsonl.co
- Support: https://jsonl.co/contact
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