Find & Replace

Find and Replace — Replace any pattern in your text — exact match or regex, case-sensitive or not. Runs entirely client-side inside your browser.

Extract Emails — Paste any text — emails, logs, web pages — and get back a clean list of email addresses. Runs entirely client-side inside your browser.

Extract URLs — Get a clean list of every URL in a block of text — http, https, and www. style addresses. Runs entirely client-side inside your browser.

Count Occurrences — Count how many times a word, phrase, or regex appears in your text. Runs entirely client-side inside your browser.

Extract Numbers / Phones — Pull all numbers — integers, decimals, or phone-like sequences — out of any text. Runs entirely client-side inside your browser.

Compare Two Lists — Drop two newline-separated lists into the boxes and instantly see what is shared, what is unique to each, and the merged union.

Line Filter — Stack multiple filters to strip unwanted lines from a block of text. Each filter says "remove if line contains X", "…does NOT contain Y", ...

Check if a word, phrase, or sentence is a palindrome. Free online palindrome checker with options to ignore spaces and punctuation.

Validate email addresses in bulk. Check format, domain syntax, and common errors. Free online email validator — paste and validate.

Free online URL extractor. Extract all URLs from any text, HTML, logs, or documents. Deduplicate and sort results.