HelvetiKit

HelvetiKit is a clean, fast, on‑device toolbox for everyday development tasks. No web round‑trips, no clutter — just the utilities you reach for all the time, in one place. What you can do • QR Tools – Generate high‑quality QR codes from any text or URL – Scan with the camera or import photos to decode existing codes – Save generated QR images to your Photos • Color – Convert between HEX ⇄ RGB ⇄ HSL – Pick colors with the system color picker and copy code snippets (SwiftUI/UIColor) • JSON – Pretty‑print, minify, validate – Sort keys, handle fragments, and even normalize curly quotes • JWT Decode – Safely decode header/payload (Base64URL) – Pretty‑printed JSON when available • Text Case – camelCase, PascalCase, UPPERCASE, lowercase • UUID – Generate v4 UUIDs in bulk • Hash – MD5, SHA‑1/256/512 from any input • Base64 / URL Encode – Encode/Decode with sensible defaults • Timestamp – Convert Unix timestamps ⇄ Date (ms supported) • Regex – Test and replace with instant feedback Designed for speed and privacy • On‑device: Your input stays on your device; nothing is uploaded. • Thoughtful UI: Compact layout, keyboard‑friendly editing, copy helpers. • iPhone + iPad: Landscape support and adaptive layouts. • Localization: English and Simplified Chinese. Go Pro (optional) Unlock unlimited runs when you need heavy use. HelvetiKit remains fully usable for quick tasks in the free tier. We’re actively improving HelvetiKit — if there’s a converter or utility you’d love to see, let us know!