Sensitive Word Checker
Paste ad copy, a product page or a social post and instantly see absolute claims, banned words and high-risk terms highlighted — with counts by category and one-click masking, all in your browser.
Disclaimer: this checker is a pre-publish helper, not legal advice. Word lists cannot judge context and are not exhaustive, so legitimate wording may be flagged while new slang, misspellings or spaced-out variants slip through. Always confirm against the current platform policies and have compliance-sensitive copy reviewed by a professional.
Text to check0 characters
Results
Run a check and every match will be highlighted here.
Summary
Run a check to see the summary.
Word list settings
Masked matches are replaced with the same number of characters. Default is *.
0 custom terms recognized. They are checked alongside the built-in lists and saved in this browser.
Built-in lists
Ad claims & absolute claims (26 terms): Absolute, guaranteed and outcome-based wording that ad reviewers commonly flag
Prohibited & high-risk (27 terms): Terms tied to counterfeit goods, gambling, drugs, weapons and other restricted content
Features
Runs entirely in your browser
Your copy never leaves the tab — no uploads, no network requests and no account needed.
Two built-in word lists
Absolute and advertising claims plus prohibited and high-risk terms, covering the wording reviewers look for first.
Your own custom words
Add brand, industry or campaign-specific terms. They are checked with the built-in lists and saved locally.
One-click masking
Replace every match with a mask character of the same length, then copy the cleaned text in one click.
Use cases
Ad and landing page review
Scan headlines, paid social and search ad copy, and landing pages for absolute claims before you submit them for review.
E-commerce product listings
Check titles, bullets and descriptions for guarantee, cure and “number one” style claims that marketplaces reject.
Social and email campaigns
Pre-flight posts, newsletters and influencer briefs for prohibited or high-risk wording before they go live.
Client and agency handoff
Run a quick first pass on copy you receive so obvious compliance issues are fixed before legal or platform review.
Frequently asked questions
How accurate is the checker?
It matches whole words case-insensitively, so “best” will not fire inside “bestowed” and “ass” will not fire inside “class”. It still cannot understand context: legitimate uses may be flagged, and new slang, deliberate misspellings or spaced-out variants may be missed. Treat the result as a first pass, not a legal opinion.
Is my text uploaded or stored?
No. Checking, highlighting and masking all run locally in your browser with no network requests. Close the tab and the text is gone; only your custom word list is saved in this browser’s local storage.
Can I add my own terms?
Yes. Add them under Word list settings, separated by commas or new lines. They are merged with the built-in lists for the current check and saved locally for next time.
Does it cover every banned word?
No. There is no complete official list, and platform rules change constantly. The built-in lists cover common absolute claims and high-risk categories; always confirm against the current ad policy or marketplace rules.
How does masking work?
Each match is replaced with the mask character repeated to the same length, so “guaranteed” becomes “**********” while capitalisation, punctuation and the rest of the text stay untouched.