# ToolPix

> Free online tools platform with 250+ utilities for developers, designers, and creators. No signup required, browser-based, privacy-first.

## For AI Agents — MCP Server

ToolPix exposes a **Model Context Protocol (MCP) server** at `https://toolpix.dev/api/mcp`.
AI agents can call 35+ compute tools directly — offloading work to ToolPix servers and saving tokens.

### Quick start (no API key needed, 10 req/hour free)

List all tools:
```
GET https://toolpix.dev/api/mcp
```

Call a tool:
```
POST https://toolpix.dev/api/mcp
{ "tool": "format_json", "input": { "json": "{\"hello\":\"world\"}" } }
```

### Available MCP tools

**Formatters & Validators**
- `format_json` — format, validate, minify JSON
- `minify_css` — remove whitespace and comments from CSS

**Encoders**
- `encode_base64` — encode/decode Base64 (mode: encode|decode)
- `encode_url` — percent-encode/decode URLs (mode: encode|decode)

**Hash & Security**
- `generate_hash` — MD5, SHA-1, SHA-256, SHA-512
- `generate_uuid` — random UUID v4 (up to 100 at once)
- `generate_password` — secure random password
- `check_password_strength` — score 0–7 with label
- `decode_jwt` — extract header + payload from JWT

**Converters**
- `convert_color` — HEX ↔ RGB ↔ HSL
- `convert_unit` — length, weight, temperature (m,km,mi,ft,kg,lb,C,F,K...)
- `convert_number_base` — binary, octal, decimal, hex (any base)
- `json_to_csv` — JSON array → CSV
- `csv_to_json` — CSV → JSON array
- `json_to_xml` — JSON → XML
- `json_to_yaml` — JSON → YAML
- `csv_to_xml` — CSV → XML

**Text Tools**
- `count_words` — words, chars, sentences, paragraphs, lines
- `count_tokens` — estimate LLM tokens + cost for GPT-4o/Claude/Gemini
- `find_replace` — find & replace with regex support
- `split_string` — split by any delimiter
- `generate_slug` — text → URL slug
- `morse_code` — encode/decode Morse code
- `generate_lorem` — Lorem Ipsum paragraphs/sentences/words

**Math & Finance**
- `sum_numbers` — sum, average, min, max from list
- `calculate_percentage` — value as % of total
- `scientific_calculator` — sin, cos, sqrt, log, pi, e, ^ expressions
- `calculate_loan` — monthly payment, total interest
- `calculate_vat` — add or remove VAT
- `calculate_age` — exact age from birthdate

**SEO**
- `generate_meta_tags` — HTML meta + OG + Twitter card tags
- `generate_sitemap` — XML sitemap from URL list
- `generate_schema_markup` — JSON-LD structured data
- `check_keyword_density` — top 20 keywords + density %
- `generate_robots_txt` — robots.txt with custom rules

### MCP Protocol support

Supports both simple format and official MCP protocol:
```
POST /api/mcp
{ "method": "tools/call", "params": { "name": "generate_hash", "arguments": { "text": "hello", "algorithm": "sha256" } } }
```

### Authentication
- No key: 10 requests/hour per IP (free)
- API key: higher limits — get key at https://toolpix.dev/console/api-keys
- Pass key as: `x-api-key: YOUR_KEY` header

### Docs
Full docs: https://toolpix.dev/docs/mcp

---

## About ToolPix

ToolPix (toolpix.dev) is a web-based productivity platform offering free tools across categories: text, developer, image, PDF, video, AI writing, converters, encoders, generators, formatters, SEO, design, math, security, and more.

## Tool Categories (browser UI)

### Developer Tools
- [JSON Formatter](https://toolpix.dev/tools/json-formatter) — format, validate, minify JSON
- [Hash Generator](https://toolpix.dev/tools/hash-generator) — MD5, SHA-1, SHA-256, SHA-512
- [UUID Generator](https://toolpix.dev/tools/uuid-generator) — random UUID v4

### Encoder Tools
- [Base64 Encoder/Decoder](https://toolpix.dev/tools/base64-encoder) — text and file encoding
- [URL Encoder/Decoder](https://toolpix.dev/tools/url-encoder) — percent-encoding

### Converter Tools
- [Color Converter](https://toolpix.dev/tools/color-converter) — HEX, RGB, HSL
- [Unit Converter](https://toolpix.dev/tools/unit-converter) — length, weight, temperature
- [Text to Morse Code](https://toolpix.dev/tools/text-to-morse) — encode/decode with audio

### Text Tools
- [Find and Replace](https://toolpix.dev/tools/find-and-replace) — regex-powered
- [String Splitter](https://toolpix.dev/tools/string-splitter) — split by any delimiter
- [Word Counter](https://toolpix.dev/tools/word-counter) — words, chars, sentences

### Generator Tools
- [Lorem Ipsum Generator](https://toolpix.dev/tools/lorem-generator) — placeholder text
- [Password Generator](https://toolpix.dev/tools/password-generator) — secure passwords
- [UUID Generator](https://toolpix.dev/tools/uuid-generator) — random UUIDs

### Image Tools
- [Image Compressor](https://toolpix.dev/tools/image-compress) — lossy/lossless
- [Remove Background](https://toolpix.dev/tools/remove-background) — AI background removal

### PDF Tools
- [PDF to Word](https://toolpix.dev/tools/pdf-to-word) — convert to editable DOCX

### Math Tools
- [Scientific Calculator](https://toolpix.dev/tools/scientific-calculator)
- [Loan Calculator](https://toolpix.dev/tools/loan-calculator)
- [Percentage Calculator](https://toolpix.dev/tools/percentage-calculator)
- [Age Calculator](https://toolpix.dev/tools/age-calculator)

### SEO Tools
- [Meta Tag Generator](https://toolpix.dev/tools/meta-tag-generator)
- [Sitemap Generator](https://toolpix.dev/tools/sitemap-generator)
- [Keyword Density Checker](https://toolpix.dev/tools/keyword-density-checker)

## REST API
- List tools: `GET https://toolpix.dev/api/v1/run?list=true`
- Run tool: `POST https://toolpix.dev/api/v1/run` `{ "tool": "json-formatter", "input": { "json": "..." } }`

## Pricing
- Free: 5 uses/day, 10MB files (no signup)
- Basic ($4.99/mo): 50 uses/day, 50MB files
- Pro ($9.99/mo): 200 uses/day, 100MB, AI tools
- Unlimited ($29.99/mo): unlimited, 500MB

## Links
- [All Tools](https://toolpix.dev/tools)
- [MCP Docs](https://toolpix.dev/docs/mcp)
- [API](https://toolpix.dev/api/v1/run?list=true)
- [Pricing](https://toolpix.dev/pricing)
- [Privacy Policy](https://toolpix.dev/privacy)
- [Terms of Service](https://toolpix.dev/terms)