Developer Tools

A curated collection of practical browser-based utilities for developers. These tools are fast, privacy-focused, and work offline—designed to streamline daily engineering tasks without unnecessary setup.

Featured Tools

Prabhu Tools

120+ Utilities

A fast, offline-first collection of 120+ developer utilities. Format JSON, decode JWT, generate UUIDs, and work with web APIs—all in your browser with privacy-first design.

⚡ Lightning fast with zero bloat
📴 Offline-first PWA support
🔒 Privacy-focused (browser-only processing)
🎯 JSON, Base64, JWT, UUID, and 100+ more tools

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Mermaid Flow Studio

Diagram Editor

Browser-based Mermaid flowchart editor with live preview and multi-format export. Create professional diagrams offline with SVG, PNG, JPEG, and PDF output.

✍️ Live preview as you type Mermaid syntax
💾 Export to SVG, PNG, JPEG, or PDF
🔐 Privacy-first (no server uploads)
📴 Works completely offline after first load

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Free Converter

File Converter

Secure, browser-based file converter that processes everything locally. Convert text to PDF and more file formats without uploading to any server—complete privacy guaranteed.

📄 Text to PDF conversion with customizable settings
🔒 100% privacy - all conversions happen in your browser
⚙️ Configurable page size, orientation, and font settings
🚀 Fast, secure, and no file size limits

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Why These Tools Matter

While building software, small repetitive tasks can slow teams down. These browser-based utilities reduce that overhead by:

No installation required - Run directly in your browser
Privacy-focused - All processing happens locally
Offline capability - Work without internet connection
Fast and lightweight - No bloat, instant load times