Skip to content
Allset Lab

Web tools

Links, titles, and status codes

Build a tagged link, check a title length, split a URL, look up a status code or MIME type, and read a user agent.

No signup. The URL and the text you paste stay on your device.

Choose a tool
  • No signup
  • Free to use
  • Works in your browser
  • Nothing is uploaded

Start now

Choose a tool and start.

Each tool opens instantly. Paste a URL, a title, a status code, or a user agent and read the result.

UTM builder Add source, medium, and campaign to a URL. Build a link Meta length Count title and description characters against the usual limits. Check length URL parser Split a URL into protocol, host, path, query, and hash. Parse a URL HTTP status Read the meaning of a common status code, such as 404. Explain a code User agent Read the browser, system, and device from a user agent string. Read the agent MIME types Look up a file extension or a MIME type. Look up a type Query builder Add name and value pairs to a URL. Build a query

How it works

Three quick steps from open to result.

  1. Choose a tool

    Open a link builder, a length check, a URL parser, or a status lookup.

  2. Paste the value

    Add a URL, a title, a status code, or a user agent. Nothing is sent to a server.

  3. Copy the result

    Copy the tagged link, the length note, or the status meaning.

Why use the web tools

Concrete reasons people open these tools and finish the job in one visit.

Fast

Links and status meanings are prepared in the page, with no remote lookup.

Private

Campaign links and draft titles stay in this browser.

Free

Build as many links and checks as you need.

Small

Each tool does one job and leaves the rest of the URL alone.

Frequently asked questions

Are the web tools free?

Yes. The UTM builder, meta length check, URL parser, HTTP status lookup, user agent reader, and MIME lookup are free and do not require an account.

Is a URL sent to a server?

No. The link is read in your browser and is not requested or stored.

What does the meta length check compare?

It compares the title with 60 characters and the description with 160 characters, which are the usual lengths a search result can show.

Which status codes are included?

The list covers the codes people meet most often, from 200 and 301 through 404, 429, and 500.