Tiny developer tools,
all in your browser.
Color, text, image, and code utilities for developers. Fast, focused, 100% client-side.
Color
HEX, RGB, HSL → SwiftUI, Compose, Flutter. 12 formats from one input.
Open →Harmonious palettes from one seed — CSS variables, Tailwind, SwiftUI, Compose.
Open →Live WCAG 2.1 ratio with AA / AAA pass-fail for text and UI. Shareable link.
Open →Every SwiftUI Color initializer — sRGB, Display P3, HSB, hex extension, Color extension & Asset Catalog.
Open →Code
Paste JSON, get Swift Codable structs — nested types, optionals, snake_case → camelCase, CodingKeys.
Open →Pretty-print, minify, sort keys. Errors with line & column. JSON5 / JSONC input, big numbers and key order preserved.
Open →Paste a curl command, get Swift URLSession code — headers, JSON body, basic auth, async/await or completion.
Open →Generate UUID v4, v7 & NIL — bulk output, uppercase / no-hyphen / braces formatting, one-click copy. 100% client-side.
Open →Text
MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes instantly. HMAC support. Shareable URL.
Open →Text & files ↔ Base64 — URL-safe, padding, MIME / PEM wrap, data: URLs, image preview. UTF-8 correct.
Open →Four encodings at once (component, URI, form, RFC 3986), precise decode errors, and a URL parser with query builder.
Open →Decode JWT header, payload & signature. Live expiry countdown, HS/RS/PS/ES verification — token never leaves your browser.
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