Developer tools,
fast, free and private.

JSON, regex, timestamps, JWT and more — your data stays in your browser.

All developer tools

Milcer Dev

Milcer Dev offers free developer tools you need every day: JSON ⇄ CSV and JSON ⇄ YAML converters, regex tester, Unix timestamp converter, JWT decoder, diff checker, color converter, lorem ipsum generator and Markdown editor. For JSON formatting, Base64 and hashes see Milcer Tools.

Everything runs in your browser; your code, tokens and data are never sent to a server.

How to use the Milcer Dev

  1. Paste your dataPaste your text or code into the box.
  2. See the resultConversion and checks happen instantly.
  3. Copy itCopy the result or download it as a file.

Frequently asked questions

Is Milcer Dev free?

Yes. All tools are free.

Is my code sent to a server?

No, everything runs in your browser.

Does it work offline?

Once loaded, most tools work without a connection.