🛠️ Privacy-First Indie Developer Tools

100% Client-Side execution powered by micro-compiled Rust WebAssembly modules (~28 KB per tool). Your prompts, files, and keys never leave your browser.

🔥 Hot · Rust Wasm Rust Wasm

LLM API Token Visualizer & Real-Time Pricing Calculator

100% local Rust Wasm BPE/CJK token slicing and prompt-caching cost calculator across OpenAI, Claude, Gemini, DeepSeek, and Qwen.

🔒 100% Local · Private Rust Wasm

Private Bulk WebP / AVIF / JPEG Converter, Compressor & EXIF Remover

Batch convert and compress images locally in your browser via Rust Wasm with zero server uploads and automatic GPS/EXIF metadata stripping.

📱 Mobile Dev · Rust Wasm Rust Wasm

Universal Links (AASA) & Android AssetLinks Compiler & QR Tester

Compile and validate apple-app-site-association, assetlinks.json, and smart H5 fallback scripts with instant QR code mobile testing.

🛡️ No Wallet · Offline Safe Rust Wasm

Multi-Chain RPC Latency Benchmark & Offline Calldata Security Decoder

Benchmark EVM & Solana RPC latency directly from your browser and decode raw transaction calldata offline with unlimited-approval risk alerts.