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About MyDevKit
Developer tools that run in your browser—free, fast, and private. No signup, no install.
MyDevKit is a collection of in-browser utilities for everyday dev tasks: format JSON, YAML, XML, HTML, CSS, and Markdown; encode and decode Base64, URLs, and JWTs; generate UUIDs, passwords, hashes, and placeholder text; convert timestamps, timezones, and data formats like CSV and JSON; preview HTML, SVG, and Markdown. Everything runs in your browser so your data never leaves your device.
Built to be simple and always available—tidy a payload, decode a token, or grab a UUID without leaving the tab or creating an account.
About the ads
Ads on this site help cover hosting and maintenance so the tools can stay free for everyone. We keep them as unintrusive as possible. Thanks for using MyDevKit.