Dev ToolKit
Developer Tools for the Modern Web
Fast, private, browser-based tools for everyday dev tasks. No data leaves your browser.
Private by Design
All processing happens locally in your browser. Your data never touches our servers - what happens in your browser, stays in your browser.
Lightning Fast
No network latency, no waiting. Get instant results with tools that run at the speed of your machine, not your internet.
Works Offline
No internet? No problem. Once loaded, all tools work completely offline. Perfect for planes, trains, or spotty WiFi.
All Your Tools in One Place
Essential developer utilities, beautifully crafted and instantly available.
JSON Formatter
Format, validate & beautify JSON
Base64
Encode & decode Base64 strings
JWT Decoder
Decode & inspect JWT tokens
UUID Generator
Generate unique identifiers
Hash Generator
Create MD5, SHA-256 hashes
More tools coming soon. Have a suggestion? Let us know