# jsonl.co

> Free JSONL viewer and editor in your browser, built for large files

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.

## Listing details

- Canonical BetaNeon page: https://betaneon.com/products/jsonl-co
- Official website: https://jsonl.co
- Category: Developer tools
- Status: Launched
- Topics: None listed
- Listing updated: 2026-11-06T03:21:15.729Z

This is a product introduction, not an endorsement. Confirm current availability, features, and prices on the official website. Community upvotes on BetaNeon are not star ratings.