UtilHub is a collection of 46 free online developer tools designed for software engineers, web developers, and IT professionals. Whether you need to format JSON, generate UUIDs, encode Base64, test regular expressions, or convert data between formats, UtilHub has the tool you need — all in one place.
Every tool on UtilHub runs entirely in your browser. Your data is never sent to any server. There is no backend processing, no data logging, and no storage of your input. When you close the tab, your data is gone. This makes UtilHub safe to use with sensitive information like API keys, tokens, and private data.
UtilHub currently offers 46 tools across 9 categories:
We regularly add new tools based on developer needs. If you have a suggestion, feel free to contact us.
UtilHub is built as a modern single-page application. All tools are pre-rendered as static HTML pages for fast loading and optimal SEO. The tools themselves use JavaScript running in your browser's sandbox, ensuring complete privacy and instant feedback without network latency.
UtilHub is supported by non-intrusive advertisements through Google AdSense. These ads help us keep all tools free and maintain the website. If you find UtilHub useful, consider sharing it with fellow developers!