🔐 HashNow – Client-Side Hash Generator & Verifier

HashNow is a fast, clean, and privacy-respecting tool for generating and comparing cryptographic hashes — entirely in your browser or via a standalone desktop app.

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Features

• Supports SHA-256, SHA-1, and MD5
• Drag & Drop File Support
• Text Hashing
• Auto-update on algorithm change
• One-click Copy to Clipboard
• Real-time Hash Comparison
• 100% Client-Side — Nothing is uploaded, ever
• Fully Offline — No internet or CDN needed
• Mobile-friendly (WebApp [docs]) & cross-platform (Desktop)

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WebApp Use Cases

• Verify file integrity (e.g. downloaded installers)
• Generate hashes for text-based security checks
• Compare generated hashes with known values
• Lightweight alternative to command-line tools

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Desktop App (v1.0.0)

Download the standalone Windows executables from the latest release:

• ⬇️ HashNow-Portable-1.0.0.exe (no install required)
• ⬇️ HashNow-Setup-1.0.0.exe (installer)

Building from Source (Desktop)

cd Desktop
npm install
npm start    # launch in development mode
npm install --save-dev electron-builder # Install Electron Builder for packaging the app into installer & portable .exe
npm run dist  # produces both portable and installer executables under dist/

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Tech Stack

• WebApp: Vanilla JavaScript, Bootstrap 5 (local CSS & JS), Web Crypto API
• Desktop: Electron, SparkMD5 (fallback for MD5), Bootstrap 5 UI

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Local WebApp Development

git clone https://github.com/arkabyo/HashNow.git
cd HashNow/docs
open index.html

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License

MIT License

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✍️ Crafted by

Built with ❤️ in NYC by Avijit Roy. Crafted in idle time 🌀