craftery.dev

Tiny developer tools,
all in your browser.

Color, text, image, and code utilities for developers. Fast, focused, 100% client-side.

10 live · 0 coming soon · MCP server for AI agents

Color

🌈
Color Converter

HEX, RGB, HSL → SwiftUI, Compose, Flutter. 12 formats from one input.

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🎨
Color Palette Generator

Harmonious palettes from one seed — CSS variables, Tailwind, SwiftUI, Compose.

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🌓
Contrast Checker

Live WCAG 2.1 ratio with AA / AAA pass-fail for text and UI. Shareable link.

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🍎
SwiftUI Color

Every SwiftUI Color initializer — sRGB, Display P3, HSB, hex extension, Color extension & Asset Catalog.

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Code

📦
JSON to Swift Codable

Paste JSON, get Swift Codable structs — nested types, optionals, snake_case → camelCase, CodingKeys.

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🔁
cURL to Swift

Paste a curl command, get Swift URLSession code — headers, JSON body, basic auth, async/await or completion.

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🆔
UUID Generator

Generate UUID v4, v7 & NIL — bulk output, uppercase / no-hyphen / braces formatting, one-click copy. 100% client-side.

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Text

#️⃣
Hash Generator

MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes instantly. HMAC support. Shareable URL.

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🔏
JWT Decoder

Decode JWT header, payload & signature. Live expiry countdown, HS/RS/PS/ES verification — token never leaves your browser.

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Time

⏱️
Unix Timestamp

Epoch ↔ ISO 8601, auto-detect seconds / ms / μs, timezone-aware, with Swift, JS, Python, Go snippets.

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