The tool layer for developers and AI agents

145+ tools · API · Node & Python SDK · MCP Server

The tool layer for developers and AI agents

Your agents are only as good as the tools they can call. Utilix gives them 145+ battle-tested utilities via API, SDK, and MCP server.

API & SDK docsBrowse tools

Browser tools145+ tools, no loginREST API10k req/day on ProNode SDK523 functions, offlinePython SDK389 functions, offlineMCP Server101 tools in Claude & Cursor

Recently added

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jwtNew

JWK ViewerParse a JSON Web Key Set (JWKS) or a single JWK and view each key's type, use, algorithm, key ID, and size in a readable table

dataNew

PDF Metadata ReaderRead title, author, creation date, PDF version, page count, and encryption flag directly from a PDF's trailer/Info dictionary

dataNew

NDJSON Formatter / ValidatorFormat, validate, and convert newline-delimited JSON (NDJSON/JSON Lines), one JSON value per line

networkNew

HAR File ViewerParse a browser DevTools .har network export into a readable table of requests, status codes, timing, and sizes

imageNew

Image InfoRead format, dimensions, bit depth, and alpha channel from image file bytes: no decoding required

AI tools

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imageSVG Generator (AI)Generate SVG illustrations, icons, and graphics from a text description using GPT-4o

regexNL → Regex (AI)Describe what you want to match in plain English: get a regex pattern, explanation, and test cases powered by GPT-4o mini

codeCLI Builder (AI)Describe a terminal task in plain English: get the exact shell command with a breakdown of every flag, powered by GPT-4o mini

cssCSS Explainer (AI)Paste any CSS and get a plain-English breakdown of every selector and property: powered by GPT-4o mini

jsonJSON Schema Generator (AI)Describe your data in plain English: get a production-ready JSON Schema (Draft-07) instantly, powered by GPT-4o mini

Always free in browser

145+ tools, client-side only, no login

MCP-ready for AI agents

101 tools in Claude Desktop & Cursor

REST API

Every tool at api.utilix.tech/v1

Node & Python SDK

523 functions, offline, no API key

Works everywhere

Call from any language. Same key, same format.

POST JSON in, get JSON back. Pick a use case and a language to see how.

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// ~/Library/Application Support/Claude/claude_desktop_config.json

{

"mcpServers": {

"utilix": {

"command": "npx",

"args": ["-y", "@utilix-tech/mcp"],

"env": {

"UTILIX_API_KEY": "YOUR_KEY"

}

}

}

}

Browse by category

AI / AgentAll →

Token Estimator

Estimate token count and API cost for any text across GPT-4o, Claude, Gemini, and more

PII Detector

Detect and redact personally identifiable information: emails, phones, SSNs, credit cards, IPs, IBANs, and crypto wallets

Secret Detector

Scan code or config for leaked API keys, tokens, and credentials: OpenAI, AWS, GitHub, Stripe, and more

NetworkAll →

UUID Generator

Generate v1, v4, v5, and v7 UUIDs

ULID Generator

Generate Universally Unique Lexicographically Sortable Identifiers

cURL Builder

Build cURL commands from URL, method, headers, and body

JSONAll →

JSON Formatter

Format, validate, and minify JSON

JSON Diff

Compare two JSON objects and highlight differences

JSON → TypeScript

Generate TypeScript interfaces from JSON

CSSAll →

CSS Minifier

Minify and beautify CSS

CSS Gradient

Visual CSS gradient builder with linear, radial, and conic support

Box Shadow

Visual CSS box-shadow builder with multiple layers and presets

CodeAll →

HTML Formatter

Format and minify HTML with configurable indentation

.env Parser

Parse and validate .env files with duplicate detection and format conversion

Semver Calculator

Parse, compare, and check semantic version ranges

TextAll →

Text Diff

Compare two text blocks line by line

Markdown Preview

Live preview Markdown as HTML

Lorem Ipsum

Generate placeholder text

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