Experience a
Cleaner Web
in Every Tab You Open
PureWord is a free profanity filter for Chrome.
It blocks curse words and masks vulgar language on YouTube, Google, social media and every site you visit.
Everything runs locally in your browser. Your data stays yours. No accounts, no tracking, no cloud.
Why PureWord?
Clean, simple and private. The way browsing should be.
Real-Time Filtering
Automatically detects profanity and filters swear words as pages load. No configuration needed. Works on every website you visit.
100% Private
All word filtering happens locally in your browser. We never collect, store or sell your data. Your privacy is guaranteed.
Lightweight and Fast
A lightweight profanity filter built for speed. No bloat, no tracking, no impact on page load times.
Open Source Word List
The word list is open source. Contribute new words on GitHub.
Policy Documents
We believe in transparency. Review how we handle your data and what you can expect from PureWord.
From the Blog
Guides and tips for a cleaner, calmer web.
How to Block Swear Words on Any Website
Filter profanity on every site you visit, in real time, without blocking whole websites.
Read more Blog - Aug 20, 2026Best Profanity Filter Chrome Extensions
We compared the top profanity filters by privacy, customisation, performance and coverage.
Read more Blog - Aug 20, 2026Protect Your Kids from Swear Words Online
A parent’s guide to cutting out most of the swearing kids see on the web.
Read more Blog - Aug 20, 2026How to Block Swear Words in YouTube Comments
Restricted Mode filters videos, not comments. Filter the comment text in real time.
Read more Blog - Aug 20, 2026How to Make Chrome Family Friendly
SafeSearch, supervised accounts and a profanity filter, layered into a safe setup.
Read more Blog - Aug 20, 2026Profanity Filters vs Site Blockers
Site blockers remove places, profanity filters remove words. Use both.
Read more