.docx
Document
DOCX editing engine active below.
No file is held in browser memory.
Local only
Local editors
Documents, spreadsheets and mind maps that stay on this device.
File privacy boundary
Opened files remain in browser memory. ARCTor does not upload or store their contents. Saving writes a copy back to your device.
Browser memory only while open
No document upload
No server or persistent browser storage
No ARCTor document-content API calls
.xlsx
Spreadsheet
XLSX editor active above.
No file is held in browser memory.
.arctormap / .json
Mind map
Mind-map editor active above.
No file is held in browser memory.
serverUpload=false · serverStorage=false · browserPersistentStorage=false · contentAiCalls=false