Add Prefix to Words

Add custom text, symbols, or tags to the beginning of every word.

Configuration

Input Text
0 / 0 Modified

Tag Every Word: Prefix Power for Bulk Formatting

When you need to add the same text to hundreds of words at once, manual editing is a time sink. Converting a list of names into @mentions for social media. Adding hashtags to every keyword for SEO tracking. Prefixing variable names with test_ or old_ for code refactoring. These tasks are repetitive and error-prone when done by hand—but instant with the right tool.

The Add Prefix to Words tool transforms individual words in bulk. It offers four wrapping styles (None, Brackets, Quotes, Custom), word filtering to skip short words like "a" or "the", case transformation options, and file upload/download support. Whether you're preparing social media content, reformatting code, or creating tagged datasets, this tool processes thousands of words in seconds while preserving your document's spacing and structure.

Why Add Prefixes to Words?

  • Social Media Optimization: Instantly convert word lists to hashtags (#word) or mentions (@user) for Twitter, Instagram, LinkedIn posts.
  • Code Refactoring: Add version prefixes (old_, new_, test_) to variable names, database columns, or function identifiers in bulk.
  • Data Tagging: Add category markers, currency symbols ($, €), or classification prefixes to words for database imports or spreadsheet operations.
  • Content Marketing: Generate keyword variations, create tracking tags, or format lists for SEO tools and analytics platforms.

Common Use Cases

Social Media Content

Convert keyword lists to hashtags for Instagram captions, create @mention lists for Twitter threads, or format trending topics for LinkedIn posts. Perfect for social media managers handling multiple campaigns with hundreds of tags.

Code Migration

Prefix variable names with old_ before renaming, add temp_ to test functions, or prepend legacy_ to deprecated modules. Saves hours during large-scale refactoring or database schema changes.

Finance & E-commerce

Add currency symbols ($, €, £) to price lists, prefix product codes with category identifiers, or tag SKU lists with warehouse locations for inventory management systems.

Content Organization

Tag document keywords for search optimization, add priority markers (P1_, P2_) to task lists, or create category prefixes for knowledge base articles and documentation files.

See it in action

Before
marketing sales design engineering
After (Prefix: "#")
#marketing #sales #design #engineering

Professional Features

Custom Prefixes

Add any text, symbol, or character combination to the start of every word. Supports emojis and special characters.

Wrapping Styles

Wrap words with **Brackets** [word], **Quotes** "word", or custom delimiters like <word> for structured formatting.

Word Filtering

Skip short words (articles, prepositions) by setting a minimum word length. Perfect for content-focused processing.

Case Transform

Preserve original casing, convert to UPPERCASE, or lowercase while adding prefixes for consistent formatting.

File Upload

Process entire files (.txt, .md, .csv) without copy-pasting. Download results instantly with one click.

Private & Secure

100% client-side processing. Your text never leaves your browser. No server uploads, no data tracking.

How to use this tool

1

Input Text

Paste words or upload a file to begin processing.

2

Set Prefix

Enter your prefix (#, @, pre_, etc.) and choose wrapping style.

3

Configure Options

Enable filtering, set case transform, customize wrappers.

4

Copy Result

Copy the formatted text or download as a new file.

Frequently Asked Questions

How do I add hashtags to every word?
Simply enter "#" in the Prefix Text field. The tool will instantly add a hashtag symbol to the beginning of every word, converting "hello world" into "#hello #world".
What are wrapping styles?
Wrapping styles let you surround each word with delimiters. **Brackets** mode wraps words like [prefix+word], **Quotes** mode creates "prefix+word", and **Custom** mode lets you define your own opening and closing characters like <prefix+word>.
Can I skip short words like "a", "is", "to"?
Yes! Enable the **Skip Short Words** option and set a minimum word length (e.g., 3). Words shorter than this length will not be modified, which is perfect for skipping articles and prepositions.
Does this preserve spacing and formatting?
Absolutely. The tool preserves all whitespace, line breaks, and text structure. It only modifies individual words (non-whitespace sequences) while keeping your document formatting intact.
Can I change the case of words while adding prefixes?
Yes. Use the **Case Transform** options to Preserve original casing, convert to UPPERCASE, or convert to lowercase while adding your prefix.
What counts as a "word" in this tool?
A "word" is any sequence of non-whitespace characters. This includes regular words, numbers, URLs, hyphenated terms, and punctuation-attached words like "don't" or "end."
Can I upload files?
Yes, click **Upload** to load .txt, .md, .csv, or .json files directly. The tool will process the file content and you can download the result with one click.
Is my data secure?
Completely. All text processing happens entirely in your browser using JavaScript. Your content never leaves your device and isn't sent to any server.
How do I create @mentions for social media?
Enter "@" as the prefix. For example, "john sarah mike" becomes "@john @sarah @mike", perfect for tagging people on Twitter or Instagram.
Is this tool free?
Yes, FreeTools Pro provides this utility 100% free forever, with no ads, no signup, and no limits.