# Agent-Native Tool Factory

> A collection of deterministic utility tools. Each tool exposes a REST API at `/api/<slug>`, a human UI at `/<slug>`, and is listed here for agent discovery.

## Available Tools
### JWT Decoder

- **Slug**: `jwt-decoder`
- **Category**: encoding
- **Summary**: Decode and verify JSON Web Tokens — header, payload, claims, and signature.
- **API**: POST https://quickhelp.dev/api/jwt-decoder
- **UI**: https://quickhelp.dev/jwt-decoder

**Example** — Decode a basic JWT:
```json
Input:  {"token":"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"}
Output: {"header":{"alg":"HS256","typ":"JWT"},"payload":{"sub":"1234567890","name":"John Doe","iat":1516239022},"signature":"SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c","valid_structure":true}
```

### JSON Formatter

- **Slug**: `json-formatter`
- **Category**: formatting
- **Summary**: Pretty-print or minify JSON — with syntax validation.
- **API**: POST https://quickhelp.dev/api/json-formatter
- **UI**: https://quickhelp.dev/json-formatter

**Example** — Pretty-print JSON:
```json
Input:  {"json":"{\"name\":\"Alice\",\"age\":30}","mode":"pretty","indent":2,"sort_keys":false,"repair":false}
Output: {"output":"{\n  \"name\": \"Alice\",\n  \"age\": 30\n}","valid":true}
```

### Image Converter

- **Slug**: `image-converter`
- **Category**: conversion
- **Summary**: Convert images between PNG, JPEG, WebP, AVIF, TIFF, GIF, and SVG formats
- **API**: POST https://quickhelp.dev/api/image-converter
- **UI**: https://quickhelp.dev/image-converter

**Example** — PNG to WebP:
```json
Input:  {"image":"<base64-png>","from":"png","to":"webp","quality":80}
Output: {"image":"<base64-webp>","format":"webp","width":800,"height":600,"size_bytes":24576}
```

### Background Remover

- **Slug**: `background-remover`
- **Category**: conversion
- **Summary**: Remove image backgrounds instantly with AI — returns a transparent PNG
- **API**: POST https://quickhelp.dev/api/background-remover
- **UI**: https://quickhelp.dev/background-remover

**Example** — Remove background from a photo:
```json
Input:  {"image":"<base64-image>"}
Output: {"image":"<base64-transparent-png>"}
```

### LCOV Coverage Viewer

- **Slug**: `lcov-viewer`
- **Category**: validation
- **Summary**: Parse and visualize LCOV code coverage reports — line, function, and branch coverage per file.
- **API**: POST https://quickhelp.dev/api/lcov-viewer
- **UI**: https://quickhelp.dev/lcov-viewer

**Example** — Parse a Jest LCOV report:
```json
Input:  {"lcov":"TN:\nSF:src/utils.ts\nFNF:3\nFNH:2\nBRF:8\nBRH:6\nDA:1,1\nDA:2,1\nDA:3,0\nLF:3\nLH:2\nend_of_record"}
Output: {"summary":{"linesCoverage":66.7,"functionsCoverage":66.7,"branchesCoverage":75,"linesHit":2,"linesFound":3,"functionsHit":2,"functionsFound":3,"branchesHit":6,"branchesFound":8},"files":[{"path":"src/utils.ts","linesCoverage":66.7,"functionsCoverage":66.7,"branchesCoverage":75,"linesHit":2,"linesFound":3,"functionsHit":2,"functionsFound":3,"branchesHit":6,"branchesFound":8}]}
```

### Image Resizer & Cropper

- **Slug**: `image-resizer`
- **Category**: conversion
- **Summary**: Resize, crop, rotate, and flip images online — free, runs in your browser, no upload required.
- **API**: POST https://quickhelp.dev/api/image-resizer
- **UI**: https://quickhelp.dev/image-resizer

**Example** — Resize to 400 wide, preserve aspect ratio:
```json
Input:  {"image":"<base64-image>","width":400,"fit":"inside","format":"png"}
Output: {"image":"<base64-png>","format":"png","width":400,"height":300,"originalWidth":1200,"originalHeight":900,"sizeBytes":48230}
```

### Base64 Encoder / Decoder

- **Slug**: `base64`
- **Category**: encoding
- **Summary**: Encode text or data to Base64, or decode Base64 back to plain text.
- **API**: POST https://quickhelp.dev/api/base64
- **UI**: https://quickhelp.dev/base64

**Example** — Encode text to Base64:
```json
Input:  {"input":"Hello, World!","mode":"encode","charset":"standard"}
Output: {"output":"SGVsbG8sIFdvcmxkIQ==","valid":true,"encoding":"standard","byte_length":13}
```

### Hash Generator

- **Slug**: `hash-generator`
- **Category**: cryptography
- **Summary**: Generate MD5, SHA-1, SHA-256, SHA-384, or SHA-512 hashes from any text input.
- **API**: POST https://quickhelp.dev/api/hash-generator
- **UI**: https://quickhelp.dev/hash-generator

**Example** — SHA-256 hex digest:
```json
Input:  {"input":"Hello, World!","algorithm":"sha256","encoding":"hex"}
Output: {"hash":"dffd6021bb2bd5b0af676290809ec3a53191dd81c7f70a4b28688a362182986d","algorithm":"sha256","encoding":"hex","input_byte_length":13,"digest_length":64}
```

### URL Encoder / Decoder

- **Slug**: `url-encoder`
- **Category**: encoding
- **Summary**: Encode or decode URLs and query string components using percent-encoding (RFC 3986).
- **API**: POST https://quickhelp.dev/api/url-encoder
- **UI**: https://quickhelp.dev/url-encoder

**Example** — Encode a query parameter value:
```json
Input:  {"input":"hello world & more=stuff","mode":"encode-component"}
Output: {"output":"hello%20world%20%26%20more%3Dstuff","mode":"encode-component","changed":true,"encoding_table":[{"original":" ","encoded":"%20"},{"original":"&","encoded":"%26"},{"original":"=","encoded":"%3D"}]}
```

### Unix Timestamp Converter

- **Slug**: `timestamp-converter`
- **Category**: datetime
- **Summary**: Convert Unix timestamps to human-readable dates and ISO 8601, or convert dates back to epoch seconds.
- **API**: POST https://quickhelp.dev/api/timestamp-converter
- **UI**: https://quickhelp.dev/timestamp-converter

**Example** — Unix seconds to date:
```json
Input:  {"input":"1716998400","mode":"to-date"}
Output: {"unix_seconds":1716998400,"unix_ms":1716998400000,"iso8601":"2024-05-29T16:00:00.000Z","utc":"Wed, 29 May 2024 16:00:00 UTC","relative":"about 1 year ago","valid":true}
```

### UUID Generator

- **Slug**: `uuid-generator`
- **Category**: generation
- **Summary**: Generate one or more cryptographically random UUID v4 identifiers instantly.
- **API**: POST https://quickhelp.dev/api/uuid-generator
- **UI**: https://quickhelp.dev/uuid-generator

**Example** — Generate one UUID v4:
```json
Input:  {"count":1,"format":"hyphenated"}
Output: {"uuids":["550e8400-e29b-41d4-a716-446655440000"],"count":1,"format":"hyphenated"}
```

### Text Case Converter

- **Slug**: `text-case-converter`
- **Category**: text
- **Summary**: Convert text between camelCase, snake_case, kebab-case, PascalCase, and 7 other naming conventions.
- **API**: POST https://quickhelp.dev/api/text-case-converter
- **UI**: https://quickhelp.dev/text-case-converter

**Example** — camelCase to snake_case:
```json
Input:  {"input":"myVariableName","to":"snake_case"}
Output: {"output":"my_variable_name","tokens":["my","variable","name"],"from_detected":"camelCase"}
```

### JSON to CSV Converter

- **Slug**: `json-to-csv`
- **Category**: formatting
- **Summary**: Convert a JSON array of objects to CSV, or parse CSV back to JSON.
- **API**: POST https://quickhelp.dev/api/json-to-csv
- **UI**: https://quickhelp.dev/json-to-csv

**Example** — JSON array to CSV:
```json
Input:  {"input":"[{\"name\":\"Alice\",\"age\":30,\"city\":\"London\"},{\"name\":\"Bob\",\"age\":25,\"city\":\"Paris\"}]","mode":"json-to-csv","delimiter":",","flatten":true}
Output: {"output":"name,age,city\nAlice,30,London\nBob,25,Paris","row_count":2,"column_count":3,"columns":["name","age","city"],"mode":"json-to-csv"}
```

### Color Converter

- **Slug**: `color-converter`
- **Category**: conversion
- **Summary**: Convert colors between HEX, RGB, HSL, and HSV — instantly and in any direction.
- **API**: POST https://quickhelp.dev/api/color-converter
- **UI**: https://quickhelp.dev/color-converter

**Example** — HEX to all formats:
```json
Input:  {"color":"#ff6600"}
Output: {"hex":"#ff6600","rgb":{"r":255,"g":102,"b":0,"css":"rgb(255, 102, 0)"},"hsl":{"h":24,"s":100,"l":50,"css":"hsl(24, 100%, 50%)"},"hsv":{"h":24,"s":100,"v":100},"valid":true}
```

### Number Base Converter

- **Slug**: `number-base-converter`
- **Category**: encoding
- **Summary**: Convert numbers between binary, octal, decimal, and hexadecimal.
- **API**: POST https://quickhelp.dev/api/number-base-converter
- **UI**: https://quickhelp.dev/number-base-converter

**Example** — Decimal 255 to all bases:
```json
Input:  {"input":"255","from_base":10}
Output: {"input_normalized":"255","from_base":10,"decimal":"255","binary":"11111111","octal":"377","hexadecimal":"FF","binary_grouped":"1111 1111","hex_grouped":"FF","bit_length":8,"is_power_of_two":false}
```
## Additional Pages

- [PNG to JPEG Converter](https://quickhelp.dev/convert/png-to-jpeg) — Convert png images to jpeg format online
- [PNG to WEBP Converter](https://quickhelp.dev/convert/png-to-webp) — Convert png images to webp format online
- [PNG to AVIF Converter](https://quickhelp.dev/convert/png-to-avif) — Convert png images to avif format online
- [PNG to TIFF Converter](https://quickhelp.dev/convert/png-to-tiff) — Convert png images to tiff format online
- [PNG to GIF Converter](https://quickhelp.dev/convert/png-to-gif) — Convert png images to gif format online
- [JPEG to PNG Converter](https://quickhelp.dev/convert/jpeg-to-png) — Convert jpeg images to png format online
- [JPEG to WEBP Converter](https://quickhelp.dev/convert/jpeg-to-webp) — Convert jpeg images to webp format online
- [JPEG to AVIF Converter](https://quickhelp.dev/convert/jpeg-to-avif) — Convert jpeg images to avif format online
- [JPEG to TIFF Converter](https://quickhelp.dev/convert/jpeg-to-tiff) — Convert jpeg images to tiff format online
- [JPEG to GIF Converter](https://quickhelp.dev/convert/jpeg-to-gif) — Convert jpeg images to gif format online
- [WEBP to PNG Converter](https://quickhelp.dev/convert/webp-to-png) — Convert webp images to png format online
- [WEBP to JPEG Converter](https://quickhelp.dev/convert/webp-to-jpeg) — Convert webp images to jpeg format online
- [WEBP to AVIF Converter](https://quickhelp.dev/convert/webp-to-avif) — Convert webp images to avif format online
- [WEBP to TIFF Converter](https://quickhelp.dev/convert/webp-to-tiff) — Convert webp images to tiff format online
- [WEBP to GIF Converter](https://quickhelp.dev/convert/webp-to-gif) — Convert webp images to gif format online
- [AVIF to PNG Converter](https://quickhelp.dev/convert/avif-to-png) — Convert avif images to png format online
- [AVIF to JPEG Converter](https://quickhelp.dev/convert/avif-to-jpeg) — Convert avif images to jpeg format online
- [AVIF to WEBP Converter](https://quickhelp.dev/convert/avif-to-webp) — Convert avif images to webp format online
- [AVIF to TIFF Converter](https://quickhelp.dev/convert/avif-to-tiff) — Convert avif images to tiff format online
- [AVIF to GIF Converter](https://quickhelp.dev/convert/avif-to-gif) — Convert avif images to gif format online
- [TIFF to PNG Converter](https://quickhelp.dev/convert/tiff-to-png) — Convert tiff images to png format online
- [TIFF to JPEG Converter](https://quickhelp.dev/convert/tiff-to-jpeg) — Convert tiff images to jpeg format online
- [TIFF to WEBP Converter](https://quickhelp.dev/convert/tiff-to-webp) — Convert tiff images to webp format online
- [TIFF to AVIF Converter](https://quickhelp.dev/convert/tiff-to-avif) — Convert tiff images to avif format online
- [TIFF to GIF Converter](https://quickhelp.dev/convert/tiff-to-gif) — Convert tiff images to gif format online
- [GIF to PNG Converter](https://quickhelp.dev/convert/gif-to-png) — Convert gif images to png format online
- [GIF to JPEG Converter](https://quickhelp.dev/convert/gif-to-jpeg) — Convert gif images to jpeg format online
- [GIF to WEBP Converter](https://quickhelp.dev/convert/gif-to-webp) — Convert gif images to webp format online
- [GIF to AVIF Converter](https://quickhelp.dev/convert/gif-to-avif) — Convert gif images to avif format online
- [GIF to TIFF Converter](https://quickhelp.dev/convert/gif-to-tiff) — Convert gif images to tiff format online
- [SVG to PNG Converter](https://quickhelp.dev/convert/svg-to-png) — Convert svg images to png format online
- [SVG to JPEG Converter](https://quickhelp.dev/convert/svg-to-jpeg) — Convert svg images to jpeg format online
- [SVG to WEBP Converter](https://quickhelp.dev/convert/svg-to-webp) — Convert svg images to webp format online
- [SVG to AVIF Converter](https://quickhelp.dev/convert/svg-to-avif) — Convert svg images to avif format online
- [SVG to TIFF Converter](https://quickhelp.dev/convert/svg-to-tiff) — Convert svg images to tiff format online
- [SVG to GIF Converter](https://quickhelp.dev/convert/svg-to-gif) — Convert svg images to gif format online
## Discovery

- OpenAPI 3.1: https://quickhelp.dev/openapi.json
- Sitemap: https://quickhelp.dev/sitemap.xml
- MCP endpoint: https://quickhelp.dev/mcp

## Terms

Free tier: 30 req/min per IP, responses include attribution watermark.