NPM Labs
UtilitySuite
Developer Transformation Platform

Transform anything.
Ship faster.

Convert formats, encode, hash, diff, and validate — through a web editor, REST API, or MCP server for your AI assistant.

Try It Now Sign Up Free

How It Works

1

Paste or Upload

Drop in JSON, YAML, XML, CSV, or any text file. Drag-and-drop or paste from clipboard.

2

Pick a Transform

30+ tools: convert between formats, encode/decode, hash, diff, validate, and more.

3

Get Results

Output appears instantly in the editor. Copy to clipboard, download, or diff against the original.

4

Chain Pipelines

Combine multiple transforms into reusable pipelines. Save them and run with one click.

Three Ways to Transform

Use the interface that fits your workflow. Same engine, same tools, every time.

Web UI

A full Monaco editor with syntax highlighting, drag-and-drop file upload, dark mode, and inline diff view.

  • Monaco code editor
  • Drag-and-drop uploads
  • Side-by-side diff view
  • Pipeline builder

REST API

Integrate transforms into your own apps and scripts. API keys, rate limiting, and full documentation included.

Example 
POST /api/transform
{
  "transform": "json-to-yaml",
  "input": "{ \"key\": \"value\" }"
}

MCP Server

Plug UtilitySuite directly into Claude Code, Cursor, or any MCP-compatible AI assistant.

  • AI-driven transforms
  • Pipeline execution
  • Works with Claude, Cursor, Windsurf
  • Zero configuration

30+ Transforms

Format conversion, encoding, hashing, validation, diffing, and more — all in one place.

JSON ↔ YAML
JSON ↔ XML
JSON ↔ CSV
Base64 Encode/Decode
URL Encode/Decode
JWT Decode
SHA-256 / MD5
Regex Tester
JSON Schema Validate
Text Diff
HTML ↔ Markdown
TOML ↔ JSON
See all tools →

Simple Pricing

Start free. Upgrade when you need more power.

Free

$0

Perfect for trying out

Get Started
  • Try every tool
  • 50 transforms/month
  • 2 saved pipelines (3 steps each)
  • 7-day transform history
  • API access
Recommended

Pro

£6 /month

For daily workflows

Upgrade to Pro
  • Unlimited transforms
  • Unlimited pipelines (20 steps)
  • Unlimited code gen & PDF tools
  • 90-day transform history
  • 300 req/min · 50 MB payloads

Enterprise

£16 /month

For power users

Upgrade to Enterprise
  • Everything in Pro
  • 1,000 req/min · 100 MB payloads
  • 50 steps per pipeline
  • Full transform history
  • Priority email support
Feature Free Pro Enterprise
Transforms/month 50 Unlimited Unlimited
Rate limit 30 req/min 300 req/min 1,000 req/min
Max payload 5 MB 50 MB 100 MB
Pipeline steps 3 20 50
Saved pipelines 2 Unlimited Unlimited
Code gen 10/month Unlimited Unlimited
PDF/image tools 5/month Unlimited Unlimited
History retention 7 days 90 days Unlimited
Support Community Standard Priority email