Everything a developer needs. One dashboard.
A premium developer productivity platform. Format JSON, decode JWTs, hash text, generate UUIDs — all in one beautifully crafted workspace that runs entirely in your browser.
Why Toolrium
Built with the polish of your favorite developer tools — and none of the tradeoffs.
Privacy First
Every calculation runs locally in your browser. Nothing is ever sent to a server.
Lightning Fast
Zero network round trips. Instant feedback for every keystroke.
Beautiful UI
Crafted with the same care as Linear, Raycast and Vercel.
No Backend
No accounts. No API keys. No servers. Just tools that work.
One Dashboard
Search, favorite and jump between 30+ tools without leaving the tab.
Developer First
Keyboard shortcuts, copy-paste flows, and no-BS workflows.
Popular tools
A tiny sample of what's inside the dashboard.
JSON Formatter
Pretty-print and beautify JSON.
JWT Decoder
Decode and inspect JSON Web Tokens.
Hash Generator
Compute MD5, SHA-1, SHA-256 and SHA-512 hashes.
UUID Generator
Generate v4 UUIDs in bulk.
Base64 Encoder
Encode text to Base64.
Regex Tester
Test regular expressions with live matches.
Frequently asked
Does Toolrium require an account?+
No. Toolrium has no sign-up, no login and no accounts. Open it and use it.
Where is my data processed?+
All processing happens inside your browser. Your inputs never leave your device.
Is Toolrium free?+
Yes. The MVP is 100% free with no rate limits or paywalls.
Can I use Toolrium offline?+
The tools themselves are pure browser code; after the initial load most tools work without a network connection.
Will more tools be added?+
Yes — PDF, image, Git, AI and API tools are on the roadmap.