Line Number

Line Number is a premium, ultra-fast offline text formatting utility designed to add serial numbers, custom prefixes, and format any text list with ease. With an eye-catching neon gradient design, smooth animations, and complete offline functionality, your privacy is always protected.

Whether you are a developer formatting code/logs, a writer structuring lists, or a creator formatting notes, Line Number processes your inputs instantly and entirely on your local device.

### 🌟 Key Features:

⚡ Ultra-Fast Serial Numbering
- Instantly add sequential numbers (1, 2, 3...) to any list
- High-performance algorithm designed to process large text lists in milliseconds
- Toggle options to control numbering formats

⚙️ Custom Prefix & Customization
- Set custom prefixes, suffixes, or separator signs
- Control formatting layout with precise spacing
- Option to number empty lines or skip them to preserve your document's layout

🔄 Seamless Swap & Edit
- One-tap swap function to push the numbered output back to the input area
- Perform multiple nested formatting operations quickly
- Reset and clear options to start fresh with a single tap

🎨 Modern Neon Aesthetics
- Beautiful Material 3-inspired user interface
- Premium linear gradients with deep blues and vivid neon cyan accents
- Soft glassmorphism cards and smooth, fluid transitions

🔒 Absolute Offline Privacy
- 100% Offline-First: No internet or network permissions required
- Local Memory Processing: Your text never leaves your device and is never uploaded to any cloud servers
- No Ads & Zero Tracking: Clean, distraction-free environment without tracking libraries or external analytics

Recent changes:
🎉 Features:
- ⚡ High-Speed Line Numbering: Sequential serialization with customizable formatting options.
- 🔄 Output-to-Input Swap: Easily cycle output back to input for iterative editing.
- 🎨 Neon Design Theme: Beautiful premium gradient backdrop with neon blue glow.
- 📋 Quick Copy & Share: Fast copying of formatted text to clipboard.
- 🔒 Fully Offline: Zero network requests or data transmission.