ToolDeck
Free online developer tools that run entirely in the browser
What it does
ToolDeck is a collection of fast, privacy-friendly developer utilities that run entirely in your browser. Format JSON, validate APIs, convert YAML, encode Base64, decode JWT tokens, parse timestamps and more. No signup. No installation. No data sent to servers — everything runs locally in your browser. Designed to be fast, simple and distraction-free.
Does the same job
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