doordoor.net

What It Is

DoorDoor is a secure file-sharing service from Japan, operated by SHAKE-FLAKE.G.K, with the company address located in Akihabara, Tokyo. The core message on the page emphasizes “a door just for you,” designed to let users easily send files or creative work to others. It is accessible via browser, supports Google login, and advertises a maximum capacity of 100GB.

Core Capabilities and Business Readiness

Based on the captured content, DoorDoor’s core functionality focuses on large-file sharing and secure delivery. The page explicitly mentions “100GB maximum capacity,” “security,” and “secure sharing,” making it suitable for transferring design drafts, creative work, project materials, and other large files. As for third-party integrations, the only confirmed option is Google login; there is no visible mention of integrations with tools such as Google Drive, Slack, Teams, or Dropbox. For team collaboration and permissions, the page does not disclose common business features such as member management, sharing permissions, expiration dates, download limits, or access logs. Data security and compliance are also limited to general “secure” wording, without details on encryption, storage regions, backups, auditing, or compliance certifications.

Pricing and Deployment

The current text does not provide information on plans, pricing, a free tier, trial period, or payment methods, making it difficult to evaluate the business model or value for money. In terms of deployment, it is clearly an online service used through a browser, but there is no mention of self-hosting, private deployment, or dedicated enterprise environments. API and developer support are not disclosed either.

Pros and Cons

Its strength is clear positioning: simple, secure transfer of large files. Google login lowers the barrier to entry, and the 100GB capacity is attractive for lightweight sharing scenarios. The operating company, email address, and physical address are also publicly available, which makes it more credible than typical anonymous tools. The downside is the lack of key information for enterprise procurement, including pricing, permissions, compliance, security details, support channels, and SLA, making it difficult to assess for serious enterprise use cases.

Who It’s For and Access from China

DoorDoor is better suited to individual creators, small teams, or users who need to temporarily send large files to external recipients. If an enterprise requires granular permissions, auditing, compliance, and system integrations, it should contact the operator for further confirmation. Access from mainland China is unknown; because it relies on Google login, Chinese users may be affected by local network conditions during the login process. Alternatives include Dropbox, Box, WeTransfer, Google Drive, OneDrive, as well as domestic options such as 坚果云 and 阿里云盘.