Profanity Filtering You Can Swear By
With more than 100 billion submissions checked to date, WebPurify is among the most accurate and efficient profanity filtering technologies available for enterprise businesses.Try our profanity filter free for 14 days
1,055,023,204,080 Submissions Filtered and Counting For Some of The World’s Best Brands
Profanity Filter API Features
Fast, accurate, reliable
We’ve been optimizing our profanity filter algorithm since our inception 12+ years ago to deliver unprecedented levels of accuracy. Our global infrastructure maximizes speed across endpoints.
Supports 15 languages
Filter profanity in English, Spanish, Arabic, Italian, French, German, Portuguese, Russian, Thai, Hindi, Japanese, Turkish, Chinese, Korean, and Punjabi.
Optical Character Recognition New
Our OCR Profanity Filter and OCR Block & Allow lists outperform simple profanity filters and are specially designed to extract text from visual content.
Hosted or on-premise
WebPurify is as flexible as you need it to be. We can host our profanity filtering technology for you in our private cloud, or you can install it on your own hardware.
Launches in minutes
Installing the WebPurify profanity filter is fast and easy, allowing you to devote more time to your business. Our developer community has also created plugins for all major platforms.
Custom Block & Allow lists
Need to block certain terms and allow others? Manage your own Block & Allow lists via the admin interface or API.
Smart Screen security New
Our optional AI-based Smart Screen technology supercharges profanity filtering by flagging phrases that indicate criminal activity, sexual advances, abusive behavior and more.
One-Click CMS plugins
Don’t want to use our API? Easily integrate our profanity checker on popular platforms like WordPress, Drupal™, and Joomla!® with no additional programming.
Highly Scalable—from Dozens to
Millions of Submissions Monthly
Startups pay as little as $15/month to access the finest profanity filtering in the business using our shared endpoint.
Enterprise applications allow for custom endpoints, multiple simultaneous requests, custom reporting, 24-hour support, and plenty more.
Ideal for Any Experience that
Allows User-Generated Content
Blogs, Forums & Communities
Don’t let abusive or harmful social interactions compromise the user experience in forums, dating apps, private chat, or live streams.
Remove unnecessarily offensive and hateful reviews from your retail, travel, or hospitality sites—and showcase your brand in the best possible light.
SMS & In-App Messaging
Moderate in-app chat among staff and customers, live-streaming text campaigns, and SMS content for social walls and more. Certified Twilio Partner.
Protect kids from profanity and other potentially harmful content, and filter PII like email and phone numbers to help support COPPA-compliance.
Ensure your players can express themselves freely while maintaining a healthy, inclusive community that drives engagement.
Avoid App Store rejection by satisfying Apple and Google requirements for integrated filtering of objectionable user names and comments.
Product Customization & Engraving
Use our moderation tool to filter profanity and brand-damaging text from all forms of device and apparel customization.
Digital Guest Books & Displays
Capture authentic customer feedback without compromising your brand’s integrity. Perfect for hotels, sporting events, concerts, and more.
Protect customers from disgruntled employees—and employees from combative customers—whether it’s via live chat, email, or other.
Case Study Filtering $%^#$ from the Edge of Space
When Microsoft launched the Pegasus II unmanned high-altitude balloon to demonstrate its Azure IoT platform, they streamed real-time video from the craft and invited the public to send SMS messages back. These texts ultimately became a permanent part of the flight recording.
Microsoft chose WebPurify to moderate the live SMS during the balloon’s journey. We ensured that not one single offensive message slipped through our filters.Read More
Profanity Filtering FAQs
What are the primary uses of profanity filtering?
WebPurify helps companies filter user-generated text in forums, games, comments, chat systems, social media, product reviews, and more. But we don’t stop there. Our moderation technology also applies to images and videos, even text embedded in images like memes.
Why should I use WebPurify’s profanity filter service instead of building my own filter?
WebPurify eliminates the nuisance of having to maintain your own profanity database—and goes way beyond basic Block & Allow lists. In fact, we continuously optimize our algorithm to adapt to the creative ways users attempt to introduce offensive language.
What type of API does WebPurify provide?
How long does a typical WebPurify integration take?
WebPurify can be installed in a matter of minutes using all the required documentation we provide.
How does the 14-day free trial work?
Easy. You’ll have full access to all of WebPurify’s features so you can test our technology live. There are no setup fees or hidden costs. We also offer a trial console that lets you test the filter without having to integrate our service.
Case Study Keeping Play Lab Safe for Young Eyes
Code.org’s Code Studio Play Lab is a web-based environment for K-12 in which students from all over the world can build stories, dialogues, and games online. They chose WebPurify to protect the entire experience—from creating and optimizing blocklists, to handling words in non-English locales.
For more than six years, Webpurify has been catching inappropriate language on a weekly basis that would otherwise jeopardize the experience for children.Read More
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