Prefix & Suffix Adder
Free EditAdd custom prefixes and suffixes to each line of text with advanced formatting options.
Prefix & Suffix Adder
{n} for incrementing numbers, {n:0} to start from 0, {i} for line index, {text} for original text. Result
Everything You Need
Powerful features designed to make your text work easier and faster.
Custom Prefix Addition
Prepend any text to every line of your input — strings, symbols, code snippets, or numbering.
Custom Suffix Addition
Append any text to the end of every line independently from the prefix.
Line or Word Targeting
Choose whether to add prefix/suffix to each line or to each individual word within lines.
Incrementing Number Counter
Insert incrementing numbers with {n} or {n:start} placeholders — perfect for sequential labeling.
Zero-Padded Numbering
Pad incrementing numbers with leading zeros (001, 002, 003...) for aligned, professional output.
Skip Empty Lines
Optionally skip empty lines when adding prefix/suffix to keep your output clean and structured.
Multi-Line Block Mode
Treat multi-line blocks separated by blank lines as single units for paragraph-level prefixing.
Template Placeholders
Use {n} for counter, {i} for line index, {text} for original text in prefix/suffix for dynamic formatting.
Real-Time Preview
See your prefixed and suffixed text update instantly as you type — no need to click apply.
One-Click Copy & Download
Copy your formatted text instantly or download it as a .txt file for batch processing.
Keyboard Shortcuts
Ctrl+Enter to apply, Ctrl+Shift+C to copy output, Ctrl+Backspace to clear all fields.
100% Private & Offline
All prefix and suffix operations run entirely in your browser. No text is ever uploaded.
Simple as 1-2-3
No learning curve. Get results in seconds with our intuitive workflow.
Paste Your Text
Enter the text lines or words you want to add prefixes and suffixes to.
Set Prefix & Suffix
Type your prefix and/or suffix text. Use {n} for incrementing numbers if needed.
Choose Target Mode
Select whether to apply to each line or each word. Toggle empty line skipping and padding.
Apply & Copy
Click apply and copy your formatted text with one click.
Who Is It For?
Designed for professionals, students, and creators across industries.
Developers
Add code prefixes, comment markers, or import statements to multiple lines at once.
Data Formatting
Add quotation marks, commas, or brackets to data entries for CSV, JSON, or SQL preparation.
Content Editors
Add bullet points, numbering, or formatting markers to lists and outlines.
Code Generation
Generate boilerplate code by adding consistent prefixes and suffixes to template lines.
Why Choose This Tool?
Real advantages that save you time and protect your privacy.
Dual Prefix & Suffix
Add both prefix and suffix simultaneously, or just one — full control over what gets added where.
Dynamic Counter Placeholders
Insert incrementing numbers with {n} or {n:start} for sequential labeling without manual numbering.
Line or Word Mode
Target entire lines or individual words — perfect for both line-level and word-level formatting tasks.
Template Flexibility
Use {n}, {i}, and {text} placeholders to create complex formatting patterns with dynamic values.
Frequently Asked Questions
Everything you need to know about this tool.
How do I add incrementing numbers?
Can I add prefix/suffix to words instead of lines?
What does "Skip empty lines" do?
Can I use zero-padded numbers?
Is there a limit on text size?
100% Private. 100% Free.
This tool runs entirely in your browser. Your text is never uploaded to any server. No signup, no tracking, no hidden costs — forever.