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Find and Replace

FindReplace With

RegexCase SensitiveWhole Word

Matches: 1

Input

Output

Search and replace text or code using advanced regex support, case sensitivity, whole word matching, and more—all powered by Monaco Editor. With a large library of preset find/replace rules, this tool makes it easy to clean up HTML, reformat JSON, fix encoding issues, and much more. Perfect for developers, QA engineers, content editors, and anyone working with structured or unstructured text. Preview matches live, use smart presets, and export results with a clean, modern UI that’s fast and fully in-browser.

Docs

What is this tool?

This tool lets you find and replace any string or pattern across a block of text or code. With full regex support, case options, and a massive set of prebuilt rules, it's a versatile solution for developers and content editors alike.

How to Use

Paste or type text/code into the input editor on the left.
Enter your find and replace values manually, or select a preset rule to instantly transform the input.
Use options like 'Regex', 'Case Sensitive', and 'Whole Word' to refine matching.
Click 'Replace' to see the modified output in the right-hand editor.
Use the copy or download buttons to export the updated content.

Benefits

Full support for regular expressions, including multi-line and global matching.
20+ curated preset rules for cleaning HTML, fixing punctuation, escaping/unescaping, and more.
Live preview of all matches and their replacements with match count display.
Monaco Editor-powered interface with syntax highlighting and large-file support.
Output can be copied, downloaded, or chained into other AdTech Toolkit tools.

Example

Find: &amp;
Replace: &
→ Replaces all `&amp;` HTML entities with `&` in your text.

Find: <[^>]*>
Replace: (empty)
Regex: true
→ Removes all HTML tags from pasted content.

Find and Replace

Input

OutputCopyDownload

Output