Unicode Tools

live Utility

Inspect characters (code point, UTF-8/UTF-16, HTML entity, category) and escape/unescape strings (JS \u, HTML, URL). Keyless, offline.

3 tools
0ms auth
free tier 50 calls/day

Tools

char_info

Inspect each character of a string (up to 64): Unicode code point (U+ hex + decimal), UTF-8 byte sequence, UTF-16 code units, HTML numeric entity, and general category. Keyless, offline.

No parameters required.

Try it
escape_string

Escape a string. format = "js" (\uXXXX), "html" (&#xNN;), "url" (percent-encoding), or "all-nonascii" (js-escape only non-ASCII). Keyless, offline.

No parameters required.

Try it
unescape_string

Unescape a string containing \uXXXX / \xNN / &#NN; / &#xNN; / percent-encoding back to plain text. Keyless, offline.

No parameters required.

Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/unicode/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/unicode/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"char_info","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("char_info", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("inspect characters (code point, utf-8/utf-16, html entity, category) and escape/unescape strings (js \u, html, url)");