Compare the Top Free Web Content Filtering Software as of June 2025

What is Free Web Content Filtering Software?

Web content filtering software allows companies to filter specific content and restrict website access to their network users. Compare and read user reviews of the best Free Web Content Filtering software currently available using the table below. This list is updated regularly.

  • 1
    Google Chrome Enterprise
    Chrome Enterprise enables enterprises to implement effective web content filtering policies using granular controls available in the Admin console. IT admins can block or allow access to specific URLs, filter content based on categories, and restrict access to risky or non-compliant websites. These controls help prevent exposure to malicious or inappropriate content, protect against compliance violations, and improve workforce productivity. Content filtering can be combined with Safe Browsing and data loss prevention policies for comprehensive web governance. Policy changes can be rolled out instantly across the organization, ensuring consistent enforcement. Reporting and analytics provide insights into browsing behavior and policy effectiveness.
    Starting Price: Free
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  • 2
    Control D

    Control D

    Control D

    Control D is a customizable DNS filtering and traffic redirection platform that leverages Secure DNS protocols like DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC, with support for Legacy DNS. - Block malicious threats - Block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more) - Deploy in minutes on fleets of devices using RMM - Manage clients using sub-organizations - Gain visibility on network events and usage patterns, with client level granularity - Re-route traffic via proxies (through DNS) for improved privacy and security - Enjoy superior UX and simplicity Think of it as your personal Authoritative DNS resolver for the entire Internet that gives you granular control over what domains get resolved, redirected or blocked.
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    Starting Price: $2/month
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  • 3
    Kasm Workspaces

    Kasm Workspaces

    Kasm Technologies

    Kasm Workspaces streams your workplace environment directly to your web browser…on any device and from any location. Kasm uses our high-performance streaming and secure isolation technology to provide web-native Desktop as a Service (DaaS), application streaming, and secure/private web browsing. Kasm is not just a service; it is a highly configurable platform with a robust developer API and devops-enabled workflows that can be customized for your use-case, at any scale. Workspaces can be deployed in the cloud (Public or Private), on-premise (Including Air-Gapped Networks or your Homelab), or in a hybrid configuration.
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    Starting Price: $0 Free Community Edition
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  • 4
    SafeDNS

    SafeDNS

    SafeDNS

    At SafeDNS, we are committed to creating a safer and more secure online environment for SMBs, enterprises, ISPs, MSPs, OEMs, and Education. We have a global footprint, making the internet safer for millions of users in over 60 countries. With years of experience in the field of cybersecurity and DNS filtering, we offer cutting-edge solutions to safeguard your digital life. At present, SafeDNS serves more than 4000 businesses and institutions, and tens of thousands of home users worldwide. We do: -Web content filtering. We help you block all dangerous or unwanted websites such as pornography, violence, child sexual abuse and similar categories. -Malware protection. We also have your back against malicious sites trying to breach user devices either with viruses or information theft intent. -Cloud service. Additionally, we provide you with a cloud filtering service that requires no additional hardware purchase or software installation.
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    Starting Price: $0.9/user/month
  • 5
    FlashStart

    FlashStart

    FlashStart Group Srl

    FlashStart is a global, cloud-based cyber security platform that specializes in DNS filtering with the support of artificial intelligence. It protects against malware and unwanted contents by classifying domains into eighty-five categories, using machine learning with high predictive capability and incorporating government blacklists and warnings for high-risk sites. It offers global coverage, thanks to Anycast Network, which is among the fastest and most stable in the world. It presents advanced and exclusive features, like geographically based protection. Easy installation, centralized multi-tenant management, filter customization, and maximum cost-effectiveness make FlashStart the optimal cloud solution for businesses, PAs, schools, households, etc.
    Starting Price: $0.90/month
  • 6
    NextDNS

    NextDNS

    NextDNS

    NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids, on all devices and on all networks. Determine your threat model and fine-tune your security strategy by enabling 10+ different types of protections. Use the most trusted threat intelligence feeds containing millions of malicious domains, all updated in real-time. Go beyond the domain, we analyze DNS questions and answers on-the-fly (in a matter of nanoseconds) in order to detect and block malicious behavior. With usually only a few hours between domain registration and the start of an attack, our threat intelligence system is built to catch malicious domains earlier than classic security solutions. Block ads and trackers on websites and in apps, including the most devious ones. Use the most popular ads & trackers blocklists, millions of domains all updated in real-time.
    Starting Price: $39 per month
  • 7
    Haltdos

    Haltdos

    Haltdos

    Haltdos promises an intelligent WAF & DDoS mitigation service with multi-layered security to online businesses requiring zero management. It is a self-learning solution that continuously learns and adapts network/website traffic and provides real-time and historical insights with stunning visualization. It also provides attack alerts and notifications, attack signatures, customer misbehavior, and audit trail.
  • 8
    Trend Micro Check
    Trend Micro Check can protect you from scams, phishing attacks, malware, and dangerous links with our leading detection technology. A comprehensive anti-scam mobile app and browser extension. Instantly check the safety of a website or link and block it if any dangerous content is found. Discover and remove browsing history risks to avoid visiting the same sites again. Our world-leading database ensures you get complete protection against scams. Block annoying pop-up ads and banners. Stop third-party trackers from collecting your activity. Receive a warning before making a payment to scammers. Simply send a piece of text, screenshot, or website address for immediate scam detection. Install Trend Micro Check to avoid scams, misinformation, and online dangers. Available for iOS, Android, Chrome, Safari, and Edge. Available on WhatsApp and Messenger. Enjoy an ad-free and private browsing experience.
    Starting Price: Free
  • 9
    OPNsense

    OPNsense

    OPNsense

    Simple packet filters are becoming a thing of the past. Even the open-source domain is moving towards Next-Generation Firewalls. And OPNsense is a top player when it comes to intrusion detection, application control, web filtering, and anti-virus. No network is too insignificant to be spared by an attacker. Even home networks, washing machines, and smartwatches are threatened and require a secure environment. Firewalls are a component of the security concept. They protect against known and new threats to computers and networks. A firewall offers the highest level of protection if its functions are known, its operation is simple, and it is ideally positioned in the surrounding infrastructure. OPNsense accepts the challenge and meets these criteria in different ways. This book is the ideal companion for understanding, installing and setting up an OPNsense firewall.
    Starting Price: Free
  • 10
    CleanBrowsing

    CleanBrowsing

    CleanBrowsing

    A modernized approach to DNS-based content filtering and security. Easily decide what should, and should not, be allowed on your internet. Effective for our kids, powerful for our business. CleanBrowsing is a DNS-based content filtering service that offers a safe way to browse the web without surprises. It intercepts domain requests and filter sites that should be blocked, based on your filtering needs. Our, free, family filter, for example, blocks porn, obscene, and adult content, while still allowing Google, Youtube, Bing, DuckDuckGo and the rest of the web to load safely. Our free filters are comprised of three predefined filters for global consumption (Security, Adult, and Family). The Family filter blocks adult / obscene content and applies Safe Search filters to Google, Bing, Yandex, etc. The security filter, however, only focuses on restricting access to malicious activity.
    Starting Price: $59.99
  • 11
    Canopy

    Canopy

    Canopy

    Canopy is the only digital parenting app that detects and blocks pornography on every single website on the internet. It’s also the only one that alerts parents immediately when it detects sexting, so they address it in a conversation with their kids. With Canopy, parents can rest easy knowing their children are safe, no matter where their online adventures take them. Canopy uses advanced computing technology, including artificial intelligence and machine learning, to instantly recognize and filter out pornographic content online and on your child’s smartphone camera. Protects two million devices around the world. Keeps kids at thousands of schools safe online. Helps US law enforcement prevent digital crimes against children. Filter out inappropriate content on your kid’s smartphone, schedule breaks from screen time, and know if your kid has left home or school. And that’s just the beginning. Canopy gives families everything they need to thrive in the digital world.
    Starting Price: $7.99 per month
  • 12
    Comodo cWatch

    Comodo cWatch

    Comodo Group

    The CSOC provides 24/7 security monitoring by certified security analysts and uses state-of-the-art technology. Analysts at the CSOC identify and analyze threats, provide alerting when appropriate to engage clients in resolution and to assist in mitigation. Comodo cWatch CSOC extends your internal IT team's capacity to protect your applications with advanced security solutions that are easy to implement, fully managed and do not require large upfront investments. It is designed to absorb the time-consuming and complex security incident investigation process while offloading the high costs of in-house security staff. With real-time web traffic monitoring and proactive incident identification, our security experts are able to notify organizations and take necessary actions quickly when an attack is detected. Continuous monitoring by Comodo CSOC security experts that have deep expertise in application security monitoring and management.
    Starting Price: $9.90
  • 13
    Blocksi

    Blocksi

    Blocksi

    AI-adaptive YouTube and web filtering are specifically designed for K-12 teachers and students. Classroom screen monitoring system revolutionizes the 21st-century classroom experience. 24/7/365 student and school safety guarantees peace of mind through smart early threat detection. More than 500 school districts and 3 million users trust Blocksi to manage a wide range of student devices for an engaged and safe learning experience. Empower, monitor, and safeguard your students with Blocksi, an all-encompassing solution seamlessly integrating AI-powered threat detection for school and student safety, adaptive content filtering guided by AI, and a customized classroom management system designed for K-12 districts. Stay ahead of students without the need for continuous block list adjustments. Effortlessly filter the internet on school devices or BYOD with over 90 filtering categories, regular, DNS, and time-based policies, and multi-OS support.
    Starting Price: Free
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