Serverless peer-to-peer file transfer directly between devices with zero cloud uploads.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Select 'Send Files' on your first device to create a peer-to-peer connection offer.
Scan the QR code or copy the pairing code to connect both devices directly.
Drop any file of any size to stream it directly across the encrypted peer-to-peer DataChannel.
No! Because files are transferred directly between devices over a local or peer-to-peer connection without touching a cloud server, there is no file size limit.
No. All file data is chunked and streamed directly between browser peers via WebRTC DataChannels (End-to-End Encrypted via DTLS/SCTP).
Yes! Simply open the tool on both devices, scan the QR code to pair, and stream files instantly.
Zero-egress companion tools in the Developer Tools suite
Format, validate, repair, and minify JSON data instantly.
Decode, verify claims, inspect headers, and check token expiry.
Test regex patterns with flags, group captures, and live matches.
Compare text or source code side-by-side with visual diffs.
