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Developer Tools

10 essential utilities for developers — format, validate, encode, decode and generate. All client-side, nothing stored.

Free Developer Tools — No Login Required

All tools on this page run entirely in your browser. Nothing you paste or type is sent to any server. Whether you're formatting JSON, testing a regex, or decoding a JWT — everything stays on your machine.

Built for developers who need quick, reliable utilities without the clutter of ads or forced signups.

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