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Cleaning & Formatting

Prefix and Suffix Adder

Add custom text, quotes, or numbering to the start and end of every line.

Tip: Use {n} for sequential numbering in prefix or suffix.
Input Lines
Modified Output

How to Use the Online Prefix and Suffix Adder

Batch add prefixes and suffixes to lines of text, SQL values, or URLs. Includes dynamic line numbering placeholder {n} and empty line skipping.

Designed for writers, editors, students, and software developers, our Prefix and Suffix Adder runs 100% locally in your web browser. This means your text is never transmitted across the network, stored on databases, or analyzed by third-party tracking algorithms.

Key Features & Capabilities

  • Instant Client-Side Processing: Calculations update in real-time as you type or paste without lag.
  • One-Click Actions: Convenient buttons to Copy output, Clear input, Paste clipboard data, and Load Sample Text.
  • Unicode & Internationalization: Robust handling of multi-byte characters, accents, diacritics, and emojis.
  • 100% Free & Private: Unlimited usage with zero registration required.