Yes, that really is the web address.
Short links and QR codes from 短.在线
短 means short. 在线 means online. Paste a long URL and get a short link with a QR code. No ads on redirects. 短.在线 is in public beta.
No account needed to try it: create a short link free, with a low limit. Sign up to keep and manage your links.
What 短.在线 is
短.在线 is a link shortener run by Arasaka Oy, a company in Finland.
Short links
Use an HTTP or HTTPS destination and pick a custom alias if you like. Every link comes in two forms: the Chinese-character address (短.在线/…) and an ASCII address (xn--s7y.xn--3ds443g/…) for systems that only accept Latin characters.
QR codes
Every short link has a QR code. Share the link, let people scan the code, or both.
API and MCP
Create links from your own code over a REST API, or let an AI agent do it through our MCP server.
QR codes
The QR code points to your short link, not straight to the destination. If you change where the link goes, a code you already printed follows. Link owners can download the code as a PNG (256, 512 or 1024 pixels) or as an SVG from the API. → QR code docs
For developers and AI agents
REST API. Create one link, or up to 100 in one synchronous batch request. List and update your own links. Idempotency keys make retries safe, and errors use RFC 9457 problem details. Authenticate with an API key from your account.
MCP server. Connect an MCP-capable agent to https://xn--s7y.xn--3ds443g/mcp. Agents can shorten one URL or a batch, look up a 短.在线 link, and get a QR code for a link they own. Looking up a short code needs no account. Creating links needs a registered account.
Machine-readable docs. OpenAPI, llms.txt, and a live /v1/capabilities endpoint that shows what is available right now.
API quick startMCP server for AI agentsBatch create up to 100 links
Abuse and safety
A link keeps its destination until the owner changes it, unless we restrict it under our Terms (§11).
If you believe a short link leads to something illegal, tell us. Use the notice form or email abuse@短.在线 with the subject "DSA notice". You don't need a formal legal citation; explain in your own words. Do not send the illegal material itself.
Security issues go to security@短.在线. See Security.
Questions
Is 短.在线 free?
Free accounts can create 15 new links per calendar month (UTC). Verify your email to raise your limit. Existing links keep redirecting when the monthly limit is reached, subject to the Terms.
What if an app can't handle a Chinese-character address?
Use the ASCII form of your short link, https://xn--s7y.xn--3ds443g/…. It goes to the same place, and the API returns both forms.
What does 短.在线 check when I create a link?
We check the address scheme, private and metadata addresses, a fixed list of blocked destinations, and links that point back to our own short-link hosts. We do not use an external threat service.
Can I change where a link goes?
Yes. The owner can point a link to a new destination. A QR code you already printed follows the change. A link keeps its destination until the owner changes it, unless we restrict it under our Terms (§11).
Can my AI agent use 短.在线?
Yes. Compatible MCP clients can connect to our MCP server. Creating links needs a registered account, authorised with OAuth or an API key. Never paste an API key into chat. See MCP server for AI agents.
Is there an uptime guarantee?
No. 短.在线 is in public beta and there is no SLA. Your statutory consumer rights are not affected.