https://sharedrop.org/guides/ Original, tested explanations of browser-to-browser file transfer: WebRTC, encryption, integrity verification and real-world troubleshooting. en Sun, 20 Sep 2026 01:00:00 GMT https://sharedrop.org/guides/transfer-folder-keep-structure/ https://sharedrop.org/guides/transfer-folder-keep-structure/ Sun, 20 Sep 2026 01:00:00 GMT Most tools flatten a folder into a pile of files. The two ways to keep the hierarchy (a zip archive, or a transfer that writes folders as it goes) and what each browser can do. https://sharedrop.org/guides/upload-services-vs-p2p/ https://sharedrop.org/guides/upload-services-vs-p2p/ Sat, 19 Sep 2026 01:00:00 GMT WeTransfer-style services and direct transfer solve different problems. Retention, size caps, link security, offline recipients and speed, compared without a rigged winner. https://sharedrop.org/guides/send-sensitive-documents-checklist/ https://sharedrop.org/guides/send-sensitive-documents-checklist/ Thu, 17 Sep 2026 01:00:00 GMT Ten checks, in order, before a contract, medical record or ID scan leaves your device, covering the channel, the recipient, the copies left behind and the things encryption cannot fix. https://sharedrop.org/guides/airdrop-alternatives-cross-platform/ https://sharedrop.org/guides/airdrop-alternatives-cross-platform/ Wed, 16 Sep 2026 01:00:00 GMT Quick Share, LocalSend, upload-and-link services, cloud drives, email and browser P2P compared on the things that matter: platforms, accounts, quality, size limits and who can see your file. https://sharedrop.org/guides/public-wifi-file-transfer-risks/ https://sharedrop.org/guides/public-wifi-file-transfer-risks/ Mon, 14 Sep 2026 01:00:00 GMT Most public-Wi-Fi warnings are ten years out of date. What an attacker on the same café network can and cannot do to an encrypted transfer today, and the two checks that actually matter. https://sharedrop.org/guides/transfer-across-different-networks/ https://sharedrop.org/guides/transfer-across-different-networks/ Sat, 12 Sep 2026 01:00:00 GMT Same room is easy; different cities is where most tools give up. What makes a cross-network transfer hard, what a direct connection needs to succeed, and what happens when it cannot. https://sharedrop.org/guides/transfer-stuck-at-99/ https://sharedrop.org/guides/transfer-stuck-at-99/ Thu, 10 Sep 2026 01:00:00 GMT The last percent is where a transfer verifies, finalises and writes to disk. What each of those steps does, why some tools sit there for a long time, and how to tell a slow finish from a real failure. https://sharedrop.org/guides/cloud-link-vs-direct-transfer/ https://sharedrop.org/guides/cloud-link-vs-direct-transfer/ Tue, 08 Sep 2026 01:00:00 GMT A share link and a direct transfer both deliver the file; only one leaves a copy behind. The two paths drawn out, how many copies each creates, who holds them, and which to pick for what. https://sharedrop.org/guides/transfer-files-to-linux/ https://sharedrop.org/guides/transfer-files-to-linux/ Sat, 05 Sep 2026 01:00:00 GMT Linux has no AirDrop and no Quick Share. LocalSend, KDE Connect, SSH tools and a plain browser link compared honestly, including which ones need nothing installed. https://sharedrop.org/guides/hotel-office-wifi-blocks-p2p/ https://sharedrop.org/guides/hotel-office-wifi-blocks-p2p/ Thu, 03 Sep 2026 01:00:00 GMT Client isolation, captive portals, blocked multicast and symmetric NAT: the four things managed networks do that stop AirDrop, Quick Share and LocalSend cold, and the workarounds that survive them. https://sharedrop.org/guides/send-large-videos-without-compression/ https://sharedrop.org/guides/send-large-videos-without-compression/ Tue, 01 Sep 2026 01:00:00 GMT Why chat apps re-encode your video, what that does to it, and three ways to deliver the original file, including the size limits each one really has. https://sharedrop.org/guides/end-to-end-vs-encrypted/ https://sharedrop.org/guides/end-to-end-vs-encrypted/ Sat, 29 Aug 2026 01:00:00 GMT Encrypted at rest, encrypted in transit and end-to-end encrypted describe three different sets of people who can read your file. How to tell which one a product actually means. https://sharedrop.org/guides/windows-to-windows-without-usb/ https://sharedrop.org/guides/windows-to-windows-without-usb/ Thu, 27 Aug 2026 01:00:00 GMT Nearby Share, a network share, cloud sync and a browser link compared for the two-PC case: which one to use on the same desk, across the office, and across the country. https://sharedrop.org/guides/file-transfer-metadata/ https://sharedrop.org/guides/file-transfer-metadata/ Tue, 25 Aug 2026 01:00:00 GMT Even an encrypted transfer leaks something. A layer-by-layer map of what your Wi-Fi admin, your ISP, the service, a relay and the recipient can each observe, for cloud links, chat apps and peer-to-peer. https://sharedrop.org/guides/iphone-to-mac-without-airdrop/ https://sharedrop.org/guides/iphone-to-mac-without-airdrop/ Sat, 22 Aug 2026 01:00:00 GMT The five reasons AirDrop silently fails between an iPhone and a Mac, how to fix each, and what to use when you would rather not debug it. https://sharedrop.org/guides/nat-types-explained/ https://sharedrop.org/guides/nat-types-explained/ Thu, 20 Aug 2026 01:00:00 GMT Why two devices behind home routers can usually connect directly and two devices behind carrier-grade NAT usually cannot: the four classic NAT behaviours, what STUN learns about each, and when only a relay will do. https://sharedrop.org/guides/transfer-photos-phone-to-laptop/ https://sharedrop.org/guides/transfer-photos-phone-to-laptop/ Tue, 18 Aug 2026 01:00:00 GMT How to move photos at full quality from Android or iPhone to any laptop, what messaging apps quietly do to your pictures, and when a cable is still the right answer. https://sharedrop.org/guides/why-wireless-transfer-is-slow/ https://sharedrop.org/guides/why-wireless-transfer-is-slow/ Sat, 15 Aug 2026 01:00:00 GMT A fixed order of checks (uplink, Wi-Fi band, distance, relay mode, the device itself) with the numbers that tell you which one is your bottleneck. https://sharedrop.org/guides/email-attachment-size-limit/ https://sharedrop.org/guides/email-attachment-size-limit/ Thu, 13 Aug 2026 01:00:00 GMT Where the 25 MB ceiling comes from (hint: a 25 MB limit fits an 18 MB file), why providers swap attachments for links, and the alternatives that keep your file yours. https://sharedrop.org/guides/send-files-android-to-iphone/ https://sharedrop.org/guides/send-files-android-to-iphone/ Tue, 11 Aug 2026 01:00:00 GMT Quick Share stops at Android and AirDrop stops at Apple. Every honest way across the gap (cables, messaging apps, cloud links and a direct browser link), with what each one costs you. https://sharedrop.org/guides/vpn-and-webrtc/ https://sharedrop.org/guides/vpn-and-webrtc/ Sat, 08 Aug 2026 01:00:00 GMT What VPNs do to ICE candidates, why some corporate VPNs force every byte through a relay, and how to diagnose it. https://sharedrop.org/guides/send-files-iphone-to-windows/ https://sharedrop.org/guides/send-files-iphone-to-windows/ Fri, 29 May 2026 01:00:00 GMT A step-by-step guide to moving photos, videos and documents from iOS Safari to a Windows browser with an end-to-end encrypted link. https://sharedrop.org/guides/verify-file-integrity/ https://sharedrop.org/guides/verify-file-integrity/ Fri, 27 Mar 2026 01:00:00 GMT Transfer finished does not mean file intact. How end-to-end SHA-256 verification works and why ShareDrop.org refuses to mark a file done without it. https://sharedrop.org/guides/large-files-in-the-browser/ https://sharedrop.org/guides/large-files-in-the-browser/ Fri, 06 Feb 2026 01:00:00 GMT Memory limits, Blob buffering, the File System Access API and backpressure: what it takes to move a file bigger than your RAM through a browser. https://sharedrop.org/guides/safety-codes-explained/ https://sharedrop.org/guides/safety-codes-explained/ Thu, 18 Dec 2025 01:00:00 GMT Why encrypted is not the same as authenticated, and how comparing a short code derived from DTLS fingerprints detects a man-in-the-middle. https://sharedrop.org/guides/why-direct-connections-fail/ https://sharedrop.org/guides/why-direct-connections-fail/ Fri, 21 Nov 2025 01:00:00 GMT NAT types, CGNAT, UDP-blocking firewalls and enterprise proxies: the network conditions that force WebRTC traffic through a relay. https://sharedrop.org/guides/direct-vs-relay/ https://sharedrop.org/guides/direct-vs-relay/ Thu, 16 Oct 2025 01:00:00 GMT Speed, privacy and reliability trade-offs between a direct WebRTC connection and a TURN relay, and what the relay can and cannot see. https://sharedrop.org/guides/is-webrtc-encrypted/ https://sharedrop.org/guides/is-webrtc-encrypted/ Tue, 09 Sep 2025 01:00:00 GMT DTLS, SCTP and certificate fingerprints: the encryption WebRTC mandates, what it protects against, and the one attack it cannot stop on its own. https://sharedrop.org/guides/stun-turn-ice-explained/ https://sharedrop.org/guides/stun-turn-ice-explained/ Thu, 14 Aug 2025 01:00:00 GMT What actually happens when a WebRTC connection is being set up: the roles of STUN, TURN and ICE, and why a relay is sometimes unavoidable. https://sharedrop.org/guides/how-webrtc-file-transfer-works/ https://sharedrop.org/guides/how-webrtc-file-transfer-works/ Sat, 19 Jul 2025 01:00:00 GMT A plain-language walkthrough of WebRTC data channels: how two browsers find each other, negotiate an encrypted link, and move file bytes without a server in the middle.