Giant JSON Viewer
Opens multi-gigabyte JSON, CBOR, and MessagePack files on Android without crashes, with binary formats auto-transcoded to JSON. Includes structural file compare, HAR analyzer, REST/GraphQL API client with Postman import, advanced filters, and SQL/CSV export.
A JSON viewer and analysis toolkit for Android that opens multi-gigabyte JSON, CBOR, and MessagePack files without crashing, using a native Rust and SIMD engine. It targets developers, QA engineers, and DevOps professionals who need to inspect large datasets on mobile devices. It is positioned as a native, offline, and private alternative to JavaScript-based viewers, with features like HAR analysis, an API client, and SQL/CSV export.
Key features
- Open multi-GB JSON files
- Auto-transcode CBOR and MessagePack
- Native Rust + SIMD engine
- Structural file compare
- HAR analyzer with dashboard
- REST and GraphQL API client
- Postman collection import
- Advanced filters and search
- SQL and CSV export
- 100% offline and private
- No social media activity within the last 30 days
GTM channels
- API
- Docs
ICP
- Software developers
- Engineering teams
- DevOps sre teams