# Sinosend > Sinosend documentation — document delivery for global trade. ## Docs - [Create a Branded File Portal with Your Custom Domain](https://docs.sinosend.com/features/branded-portals.md): Deliver files under your own brand with custom domains, white-label emails, and a fully tailored download experience. Business plan required. - [Track File Delivery with Sinosend Delivery Intelligence](https://docs.sinosend.com/features/delivery-intelligence.md): Get real-time alerts and geo-location tracking when files are opened. See pending vs viewed status, access timelines, and set automatic reminders. - [Manage and Update Files After Sending with Sinosend](https://docs.sinosend.com/features/dynamic-file-management.md): Replace, protect, version, and revoke access on files after sending. Recipients always see the latest version without needing a new link. - [Collect Files from Anyone with Sinosend File Requests](https://docs.sinosend.com/features/file-requests.md): Use Sinosend File Requests to collect files from clients or suppliers. Share a secure upload link — no account needed on their end. - [Sinosend Features: File Transfer and Delivery Tools](https://docs.sinosend.com/features/index.md): Explore Sinosend's core features — high-performance transfers, delivery intelligence, branded portals, dynamic management, and team collaboration. - [Fast, Secure File Sending and Sharing with Sinosend](https://docs.sinosend.com/features/sending-files.md): Upload and share files up to 100 GB — or 1 TB on Business. Add recipients, set passwords, choose expiry, and preview files in-browser. - [Collaborate on File Delivery with Your Team in Sinosend](https://docs.sinosend.com/features/team-collaboration.md): Invite teammates, assign roles, collaborate in shared workspaces, and run approvals. Pro: 2 seats included; Business: 5 seats included. - [Compare Sinosend Personal, Pro, and Business Plans](https://docs.sinosend.com/getting-started/billing/compare-plans.md): Detailed comparison of Sinosend's Personal, Pro, and Business plans — transfer limits, storage, team seats, and included features. - [Sinosend Plans, Billing, and Subscription Management](https://docs.sinosend.com/getting-started/billing/index.md): Compare Sinosend plans, manage your subscription, and access invoices. Start a 7-day free trial with no credit card required to begin. - [Download Invoices and Manage Your Sinosend Billing](https://docs.sinosend.com/getting-started/billing/invoices-receipts.md): Download PDF invoices and receipts, update your payment method, add a VAT ID, and manage billing details in your Sinosend account settings. - [How to Upgrade, Downgrade, or Cancel Sinosend Plan](https://docs.sinosend.com/getting-started/billing/upgrade-downgrade.md): Upgrade or downgrade your Sinosend plan at any time. Upgrades take effect immediately; downgrades apply at the end of your billing cycle. - [Create and Set Up Your Sinosend Account in Minutes](https://docs.sinosend.com/getting-started/create-account.md): Sign up for Sinosend, verify your email, configure your profile, set notification preferences, and enable two-factor authentication. - [Get Started with Sinosend for Secure File Delivery](https://docs.sinosend.com/getting-started/index.md): Learn how to create your Sinosend account, send your first transfer, and explore plan options for secure document delivery in global trade. - [Quickstart Guide: Send Your First File with Sinosend](https://docs.sinosend.com/getting-started/quickstart.md): Send your first file with Sinosend in under 5 minutes. Create an account, upload files, set options, and track delivery in real time. - [Asia-Pacific Edge Delivery for Fast File Transfers](https://docs.sinosend.com/global/asia-pacific-edge.md): Sinosend's APAC edge nodes in Hong Kong, Shanghai, and Dubai deliver files with near-zero latency to China, India, and the Middle East. - [Send Files to China That Actually Arrive and Open Fast](https://docs.sinosend.com/global/china-transfers.md): Transfer files to and from China without VPNs. Sinosend's Hong Kong and Shanghai edge nodes route around the Great Firewall for reliable delivery. - [Per-Transfer Data Residency Across 8 Global Regions](https://docs.sinosend.com/global/data-residency.md): Choose your storage region for every Sinosend transfer — EU, US, APAC, UAE, China, UK, and more. Meets GDPR and local data sovereignty requirements. - [Sinosend Global Delivery: APAC Edge and Data Residency](https://docs.sinosend.com/global/index.md): Sinosend delivers files reliably to China, APAC, and 8+ global regions. Explore edge delivery, per-transfer data residency, and China-optimized routing. - [Requests](https://docs.sinosend.com/requests.md) - [Control File Access with Passwords, Expiry, and Roles](https://docs.sinosend.com/security/access-controls.md): Manage who can access your Sinosend files with passwords, expiry dates, per-recipient revocation, team roles, and two-factor authentication. - [Sinosend Encryption: AES-256 at Rest and TLS in Transit](https://docs.sinosend.com/security/encryption.md): All Sinosend transfers use AES-256 encryption at rest and TLS 1.2+ in transit. Add password protection for an additional security layer. - [Sinosend GDPR Compliance, EU Residency, and Data Rights](https://docs.sinosend.com/security/gdpr.md): Sinosend is GDPR compliant with EU data residency, a DPA on request, and full data deletion rights. Learn how your data is handled. - [Sinosend Security, Privacy, and Compliance Overview](https://docs.sinosend.com/security/index.md): Sinosend protects every transfer with AES-256 encryption at rest, TLS 1.2+ in transit, access controls, GDPR compliance, and full audit trails. - [Sinosend FAQ: Plans, China Transfers, Tracking, Security](https://docs.sinosend.com/support/faq.md): Answers to the most common Sinosend questions — free plan limits, sending files to China, tracking deliveries, security, and billing. - [Sinosend Support Hub: FAQs, Guides, and Troubleshooting](https://docs.sinosend.com/support/index.md): Find answers, fix issues fast, and get in touch with the Sinosend team — your complete support hub for file transfers and document delivery. - [Troubleshoot Common Sinosend Delivery and Upload Issues](https://docs.sinosend.com/support/troubleshooting.md): Step-by-step fixes for common Sinosend issues — delivery failures to China, slow downloads, upload errors, login problems, and custom domain setup. - [Transfers](https://docs.sinosend.com/transfers.md)