I Built 100+ Free Developer Tools That Run Entirely in Your Browser — Here's Why

I was debugging an authentication issue at 11pm when I caught myself pasting a production JWT token into a random online decoder.

The token contained user IDs, roles, and expiry claims. The site had no privacy policy. I had no idea where that token was going.

I closed the tab, fixed the bug using console.log, and spent the next few weeks building DevBench — a toolbox where nothing you paste ever leaves your browser.

What DevBench is

DevBench is a collection of 135 free developer utilities, all running client-side in the browser using JavaScript and the Web Crypto API. No account. No upload queue. No server receives your data.

I Built 100+ Free Developer Tools That Run Entirely in Your Browser — Here's Why

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