FAQ

Frequently asked questions about the toolkit

Are the tools free?

Yes, all tools are completely free with no registration required.

Is my data safe?

All tools run entirely in your browser. No data is sent to any server.

Do the tools work offline?

After the initial page load, most tools work offline since they run client-side.

Which browsers are supported?

Modern browsers: Chrome, Firefox, Safari, Edge (latest versions). Some tools require WebCrypto support.

Is there a dark mode?

Yes, click the theme toggle in the header to switch between light and dark modes. Your preference is saved.

How do I report a bug or suggest a feature?

Email us at tools@wz.fyi with your feedback.

Why does the Hash tool not support MD5?

MD5 is cryptographically broken. We only support SHA-1/256/384/512 via the WebCrypto API for security.