The Ultimate Collection of Text Utilities
TextSuper provides free, privacy-focused tools for developers, writers, and data analysts. Format JSON, convert case, generate UUIDs, and more—all taking place right in your browser.
Why TextSuper?
Built for speed, privacy, and simplicity.
100% Client-Side Privacy
Your data never leaves your browser. All processing happens locally on your device, ensuring total privacy for sensitive text and data.
Lightning Fast
No server latency. Tools load instantly and process large amounts of text in milliseconds.
Works Offline
Once loaded, TextSuper works even without an internet connection. Reliable utilities whenever you need them.
Our Tools
Everything you need, categorized for easy access.
Text Tools
Case Converter
Convert text between lower, UPPER, Title, and other cases.
Whitespace Cleaner
Remove extra spaces, empty lines, and trim text.
Find & Replace
Find and replace text using strings or regular expressions.
Duplicate Remover
Remove duplicate lines from your text.
Sort Lines
Sort lines alphabetically, numerically, or randomly.
Diff Checker
Compare two text blocks and highlight differences.
Text to ASCII
Convert text to ASCII character codes.
Data Tools
Web Tools
Generator Tools
Security Tools
About TextSuper
We built TextSuper because typical online tools are often ridden with heavy ads, slow servers, or privacy concerns.
Our mission is simple: Provide high-quality, developer-grade utilities that run entirely in your browser. No data collection, no waiting, just tools that work.
Did you know?
Most online "formatters" send your data to their server to process it. This is risky for sensitive data like API keys or private documents.
TextSuper processes everything locally using JavaScript. Your data stays on your device.