DetailsPro vs JWT & Base64 Decoder/Verifier

DetailsPro is a design tool made for Apple designers and SwiftUI. - Create with SwiftUI views like VStack, Text, Image, and more - Make real designs without writing any code - Export to Xcode, Swift Playgrounds, and more - Available free forever with unlimited files - Optionally upgrade to Premium for all tools and templates - Design from iPhone, iPad, Mac, and Apple Vision Pro - Browse SF Symbols categories - Test widget designs natively on your Home Screen - Preview designs live on a second device Features: - VStack, HStack, ZStack - Text, Images, Shapes - Intuitive Overlays, Backgrounds, and Masks - Dividers, Spacers - Grids, Scrolls - Visual Effect Blur Views - SF Symbols - Gradients - Maps - Frame, Padding modifiers - All Text modifiers like kerning, lineHeight, font, fontWeight, and more - Liquid Glass modifiers - Effects modifiers like colorMultiply, opacity, offset, rotate, and scale - Dark mode and light mode - Built-in size templates for iPhone, iPad, and other devices - Import and export as .detailspro files - Export to Swift Playgrounds - Export to Xcode as Swift files - Download community templates Templates: Kick start your next design update with built-in SwiftUI design templates and community templates that are being updated all the time. Save time and get straight to your idea without having to set up a full development environment. Split Mode: Check your design in Dark Mode and Light Mode more easily than ever by previewing both at the same time. Choose from System, Dark, Light, or Split Mode for your design environment and switch between them instantly. "...the tools you need to start designing an app in SwiftUI using just an iOS device." - 9to5Mac Your DetailsPro subscription will automatically renew unless you turn off auto-renew at least 24 hours before the current period ends. You can go to Settings > iTunes & App Store > Apple ID > Subscriptions to manage your membership. Your iTunes Account will be charged when the purchase is confirmed. Read more about our terms and conditions here: https://detailspro.app/terms Read more about our privacy policy here: https://detailspro.app/privacy

JWT Decoder, Encoder & Verifier is the JSON Web Token companion your phone has been missing. Paste a token and instantly see its header, payload, and claims decoded - then verify its signature, sign your own, or convert Base64 back and forth. Everything runs on the device. No accounts, no network calls, nothing stored. 100% OFFLINE, NOTHING LEAVES YOUR DEVICE Tokens often carry sensitive data, so this app never uploads them. All parsing, verification, signing, and Base64 work happens locally. There is no server, no logging, and no analytics on the content you paste. It is the safe way to inspect a production token on your phone. DECODE - Live decoding as you type or paste - no "decode" button needed - Pretty-printed JSON for both the header and the payload - Time claims (iat, nbf, exp) shown as readable UTC, with EXPIRED and "not yet valid" badges - Raw Base64URL signature segment displayed separately - Clear, specific errors for malformed tokens VERIFY SIGNATURES - HMAC: HS256, HS384, HS512 with a shared secret (raw or Base64 key) - RSA: RS256, RS384, RS512 (RSASSA-PKCS1-v1.5) with a PEM public key - RSA-PSS: PS256, PS384, PS512 with a PEM public key - ECDSA: ES256, ES384, ES512 with a PEM public key - The input automatically switches between secret and PEM based on the token's algorithm, and the result clearly states valid, invalid, or why it could not be checked SIGN AND GENERATE - Build and HMAC-sign a JWT from any JSON payload (HS256/384/512) - One-tap "Generate key pair" creates a throwaway RSA or EC key for testing, fills the private key, and shows the public key to copy straight into the Verify tab - a complete sign-then-verify loop, entirely on device BASE64 TOOLBOX - Encode and decode standard Base64 and URL-safe Base64URL - Optional padding control - Falls back to a hex view when decoded bytes are not valid UTF-8 text BUILT FOR ENGINEERS - Paste straight from the system clipboard with one tap - Load a built-in example to see how each tool works - Copy any result to the clipboard - Monospace, selectable output throughout POLISHED TO MATCH YOUR PHONE - Native Material Design 3 interface - Light and dark themes that follow the system setting - Localized in English, Traditional Chinese, Simplified Chinese, and Japanese WHO IT IS FOR - Backend and mobile developers debugging auth tokens - Security engineers inspecting and verifying JWTs - QA and support teams checking expiry and claims - Anyone who needs to decode a token without pasting it into a website A note on standards: this tool reads and verifies tokens; it is an inspection and testing utility, not a secrets manager. Keys you paste or generate stay on the device and are never transmitted. JWT Decoder, Encoder & Verifier is fast, private, and made for real debugging. Install it once and stop pasting tokens into random web decoders.