Choose any document, photo, archive, or media file from your device.
Share files quickly and safely with a QR code
Upload File, choose clear access rules, and send one temporary QR download link. The recipient scans it and downloads the file safely without unnecessary risk.
A QR-based bridge between people, documents, devices, businesses and AI-agent workflows.
Generate a protected QR link
Free: upload files up to 1 GB. Gold: upload files up to 3 GB and links up to 7 days. Platinum: upload files or folder ZIP archives up to 10 GB with cloud retention while the subscription is active.
shareBySquare in three steps
Limit downloads, add a password, and choose how long the link stays active.
Send the QR code or link. The receiver scans it and downloads the file.
For AI agents and document handoff
Use shareBySquare not only for quick QR file sharing, but also as a simple handoff point between physical documents, digital files and future AI-agent workflows.
Place a QR code on contracts, invoices or service reports to connect paper context with temporary digital access.
Give a person, business workflow or browser agent a bounded QR handoff instead of a permanent public link.
The current product handles QR handoff today; structured agent-readable manifests remain a future direction.
For AI agents →Clear protection, deletion and limits
Temporary tokens, optional password, expiry and download limits keep every share bounded.
Files can be deleted manually, after the first successful download, or when the selected validity expires.
Free: upload files up to 1 GB. Gold: upload files up to 3 GB and links up to 7 days. Platinum: upload files or folder ZIP archives up to 10 GB with cloud retention while the subscription is active.
Prohibited content, complaints and abuse reports are handled through the legal rules and contact channels.
- Send an invoice, photo or report through a QR link for a few hours.
- Move a scan from mobile to PC without chat, email or account pairing.