Developer Utilities7+ tools
Supercharge your workflow in the browser.
Explore a curated collection of developer-first utilities built with Next.js 15. Every tool launches instantly, works offline, and is simple to extend with your own ideas.
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JSON Prettifier
Format and validate JSON with instant feedback.
UUID Generator
Generate RFC 4122 compliant UUIDs on demand.
JSON Viewer
Inspect and explore JSON data with a blazing-fast tree explorer.
Short URL Expander
Reveal the final destination behind shortened links.
QR Code Generator
Encode text or URLs into QR codes with instant preview and PNG download.
JWT Generator
Craft HS256 JWTs with custom payload fields directly in your browser.
Base64 Tool
Encode plain text or decode Base64 strings with instant copy-friendly output.