Giant JSON Viewer – View Multi-Gigabyte JSON Files on Android Without Crashes

Summary: Giant JSON Viewer is a native Android app designed to open multi-gigabyte JSON files without out-of-memory errors. Powered by a custom Rust engine, it delivers desktop-class performance with features like smart indexing, regex search, and SQL/CSV export for handling massive datasets efficiently.

What it does

The app loads large JSON files by scanning their structure once for instant navigation and supports data querying with a graphical builder. It enables exporting filtered data to SQL or CSV formats.

Who it's for

It targets users who need to view and analyze very large JSON files on Android devices without crashes or slowdowns.

Why it matters

It solves the common issue of mobile JSON viewers crashing or freezing with files over 50MB, enabling reliable handling of multi-gigabyte datasets on Android.