Dadroit JSON Viewer
6.9#4 in json toolsFrom $98 a yearFree planWebLinuxmacOSWindows
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It suits people who need to browse, search, or convert JSON, including JSON-Lines and ndjson logs. The free license is limited to non-commercial use and files up to 50 MB.
JSON OS suits people who need browser-based tools for editing, checking, comparing, or exporting JSON, as well as writing and previewing Markdown. It may also fit users who want a no-signup workflow and local processing, as described by the maker.