Columnar / Local Arrow inspection
Inspect a record batch.
Open an Arrow IPC file or stream. Files stay in this browser; decoding runs in a cancellable worker.
What this inspector promises
Apache Arrow JavaScript 17.0.0 reads local IPC file and stream inputs up to 32 MiB. The worker retains the input bytes and decodes toward the requested batch; it does not promise constant memory or range reads. Supported formats and codecs follow this pinned reader. Malformed or unsupported inputs report its error.
Preview: 50 rows, 32 columns, 512 characters per scalar, 20 items per displayed list. Int64 values use bigint; decimal display applies the stored scale; timestamps display integer epoch units to avoid losing precision. Complex objects without a precise display adapter point to child buffers instead of guessing a value. Next batch reports when the stream is exhausted.
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