About jsonl.co
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.
jsonl.co is a browser-based viewer and editor for JSONL, NDJSON, and JSON files. It handles files of 1GB+ using streaming, with syntax highlighting, real-time validation, and side-by-side raw and parsed views. Developers can inspect and edit structured data locally without uploading files. The tool is free to use and requires no account.
