Similar tool for JSONL files: I built JSONL Viewer Pro after repeatedly crashing VS Code trying to inspect multi-GB training datasets and IoT device logs with nested objects.
Native Mac/Windows app with multi-threaded parsing (simdjson), automatic nested object flattening, and handles 10M+ rows instantly.
Super quick feedback - opening that link on my phone shows me two options next to each other, seemingly with the same name / description (followed by …) and same pricetag. I had to turn my phone sideways to see that there is a windows and a Mac version.
I think you can afford the extra characters to show the whole page in portrait mode. (iPhone 16 pro Safari)
Native Mac/Windows app with multi-threaded parsing (simdjson), automatic nested object flattening, and handles 10M+ rows instantly.
For HN: Use code HN100 for free access
https://iotdatasystems.gumroad.com/
Built with C++ for native performance (~6MB app, not Electron).
Would love feedback from folks working with large JSONL files.