Local developer utility

Text Case Converter

Convert text between common programming and writing cases locally. Your input stays in your browser while you work.

Case Converter🔒 Processed locally

How to use Case Converter

Complete the labeled fields above, choose an action, and inspect the result before copying or downloading it.

Processing runs locally in this browser. No input is uploaded or sent to a conversion service.

Line Sorter — Sort lines alphabetically with configurable direction and duplicate removal.
String Escape / Unescape — Escape text as a JSON string or decode JSON string escapes.
UTF-8 Byte Counter — Count UTF-8 bytes, Unicode code points, and UTF-16 code units.
Zero-width Character Detector — Locate invisible formatting characters and optionally remove them.