ProgrammingLine
Tools
PDF Tools
📑 Merge PDF
✂️ Split PDF
🗜️ Compress PDF
🔄 Rotate PDF
🗂️ Organize PDF
🔓 Unlock PDF
Convert
📄 Word to PDF
📋 PowerPoint to PDF
📉 Excel to PDF
📸 JPG to PDF
🌐 HTML to PDF
Image
📦 Compressor
📐 Scaler
↩️ Rotator
Text Tools
📊 Word Counter
🔢 Character Counter
🔤 Case Converter
🧹 Remove Duplicates
↕️ Sort Lines
Dev Tools
{ } JSON Formatter
🎨 JSON Beautifier
📝 XML Formatter
🔐 Base64 Encode/Decode
🔗 URL Encode/Decode
PDF Tools
📑 Merge PDF
✂️ Split PDF
🗜️ Compress PDF
🔄 Rotate PDF
🗂️ Organize PDF
🔓 Unlock PDF
Convert to PDF
📄 Word to PDF
📋 PowerPoint to PDF
📉 Excel to PDF
📸 JPG to PDF
🌐 HTML to PDF
Image Tools
📦 Image Compressor
📐 Image Scaler
↩️ Image Rotator
Text Tools
📊 Word Counter
🔢 Character Counter
🔤 Case Converter
🧹 Remove Duplicates
↕️ Sort Lines
Developer Tools
{ } JSON Formatter
🎨 JSON Beautifier
📝 XML Formatter
🔐 Base64 Encode/Decode
🔗 URL Encode/Decode
🧹
Remove Duplicate Lines
Paste any list or multiline text and instantly remove repeated lines — keeping only unique entries.
Case-sensitive comparison
Trim whitespace before comparing
Remove empty lines too
Input — paste your list here
Output — unique lines only
✨ Remove Duplicates
📋 Copy Output
🗑 Clear
🔒 100% browser-based — your data never leaves your device.
⚡ Handles thousands of lines instantly.