Private by design
Python runs in your browser via Pyodide. The PDF you select is parsed locally — no upload, no server, no telemetry. Disconnect your network after the page loads if you want to be sure.
OCCM · HT · LLP · Combined OCCM+HT. Auto-detects the format. Validates against aviation-domain rules. Runs entirely in your browser — your files never leave your device.
Loading the runtime…
Python runs in your browser via Pyodide. The PDF you select is parsed locally — no upload, no server, no telemetry. Disconnect your network after the page loads if you want to be sure.
Different operators and MIS systems produce different layouts across OCCM, HT, and LLP documents. Cypher detects the format from page-1 text and dispatches to a parser tuned for it.
Every cell is checked against aviation conventions (uppercase codes, no O/I in part numbers, ATA chapter range, etc.). Suspicious cells are flagged for analyst review — never silently dropped.