[{"data":1,"prerenderedAt":523},["ShallowReactive",2],{"guides:\u002Fguides\u002Fwebsite-blocker-without-extension-mac":3,"related:\u002Fguides\u002Fwebsite-blocker-without-extension-mac":509},{"id":4,"title":5,"body":6,"category":481,"dateModified":482,"datePublished":482,"description":483,"extension":484,"eyebrow":485,"faq":486,"heading":499,"image":500,"lead":501,"meta":502,"navigation":503,"path":504,"seo":505,"stem":506,"updated":507,"__hash__":508},"guides\u002Fguides\u002Fwebsite-blocker-without-extension-mac.md","Website Blocker Without an Extension for Mac",{"type":7,"value":8,"toc":468},"minimark",[9,14,18,47,51,54,89,97,101,104,147,161,165,173,201,209,213,216,225,229,232,252,280,284,287,325,329,453,457,465],[10,11,13],"h2",{"id":12},"how-to-block-websites-on-mac-without-an-extension","How to block websites on Mac without an extension",[15,16,17],"p",{},"To block websites without an extension, block them at the Mac level instead of inside the browser. The hosts file, a DNS filter, or a system-level blocker app works in every browser, in private windows, and in browsers you install later, because the block happens before the browser connects. Screen Time also needs no extension, but Apple documents its website list for Safari.",[19,20,21,29,35,41],"ol",{},[22,23,24,28],"li",{},[25,26,27],"strong",{},"Screen Time"," for a free restriction in Safari.",[22,30,31,34],{},[25,32,33],{},"The hosts file"," for a free, manual block that covers most browsers.",[22,36,37,40],{},[25,38,39],{},"A DNS filter"," for a block that also covers other apps on the Mac.",[22,42,43,46],{},[25,44,45],{},"A system-level blocker app"," for timed or scheduled blocks that are harder to undo.",[10,48,50],{"id":49},"why-browser-extensions-are-easy-to-get-around","Why browser extensions are easy to get around",[15,52,53],{},"An extension lives inside one browser, and the browser lets you manage it. That leaves four easy exits:",[55,56,57,63,69,83],"ul",{},[22,58,59,62],{},[25,60,61],{},"The toggle."," Every browser has an extensions page where one click turns the blocker off.",[22,64,65,68],{},[25,66,67],{},"Private windows."," Chrome and Firefox don't run extensions in private windows unless you allow it, and guest profiles start with none.",[22,70,71,74,75,82],{},[25,72,73],{},"Another browser."," An extension in Chrome does nothing in Safari. As one Reddit user ",[76,77,81],"a",{"href":78,"rel":79},"https:\u002F\u002Fwww.reddit.com\u002Fr\u002Fproductivity\u002Fcomments\u002F1ikfimo",[80],"nofollow","put it",": \"i can easily avoid most of these blockers by using another web browser that isn't chrome.\"",[22,84,85,88],{},[25,86,87],{},"Updates."," A browser or extension update can quietly break the block.",[15,90,91,92,96],{},"Some Mac blockers that look like standalone apps still work this way. Cold Turkey installs an extension in each browser on a Mac. Focus, 1Focus, and Opal control browsers through macOS Automation, so they cover only the browsers they support. 1Focus, for example, doesn't support Firefox. That is fine if it fits how you browse, but it is worth knowing before you buy. The ",[76,93,95],{"href":94},"\u002Fcompare\u002Fcold-turkey-alternative","Cold Turkey alternative guide"," goes into that tradeoff.",[10,98,100],{"id":99},"option-1-screen-time","Option 1: Screen Time",[15,102,103],{},"Screen Time is built in and needs no extension. It is the right first step if you only use Safari.",[19,105,106,120,130,140],{},[22,107,108,109,112,113,115,116,119],{},"Open ",[25,110,111],{},"System Settings",", click ",[25,114,27],{},", then ",[25,117,118],{},"Content & Privacy",", and turn it on.",[22,121,108,122,125,126,129],{},[25,123,124],{},"App Store, Media, Web, & Games",". On macOS 14 Sonoma this is called ",[25,127,128],{},"Store, Web, Siri & Game Center Content",".",[22,131,132,133,112,136,139],{},"Under Safari, choose ",[25,134,135],{},"Limit Adult Websites",[25,137,138],{},"Customize",", and add each domain to the Restricted list.",[22,141,142,143,146],{},"Turn on ",[25,144,145],{},"Lock Screen Time Settings"," if you want a passcode in the way.",[15,148,149,150,155,156,160],{},"Apple's ",[76,151,154],{"href":152,"rel":153},"https:\u002F\u002Fsupport.apple.com\u002Fguide\u002Fmac-help\u002Fchange-content-restrictions-settings-screen-mchlbcf0dfe2\u002Fmac",[80],"web content settings guide"," names these as Safari settings and doesn't say whether other browsers are covered. Reports from Chrome, Firefox, and Brave users are mixed at best. On macOS 27, Apple reorganized Screen Time settings, so check Apple's guide for your version if the names differ. The ",[76,157,159],{"href":158},"\u002Fguides\u002Fwebsite-blocker-for-safari-mac","Safari website blocker guide"," covers Safari-only options in more depth.",[10,162,164],{"id":163},"option-2-edit-the-hosts-file","Option 2: Edit the hosts file",[15,166,167,168,172],{},"The hosts file maps names to addresses before your Mac asks a DNS server. Pointing a domain at ",[169,170,171],"code",{},"0.0.0.0"," makes it fail to load in most browsers.",[19,174,175,181,192,198],{},[22,176,177,178,129],{},"Open Terminal and run ",[169,179,180],{},"sudo nano \u002Fetc\u002Fhosts",[22,182,183,184,187,188,191],{},"Add one line per hostname, for example ",[169,185,186],{},"0.0.0.0 youtube.com"," and ",[169,189,190],{},"0.0.0.0 www.youtube.com",". Each subdomain needs its own line.",[22,193,194,195,129],{},"Save with Control-O, exit with Control-X, then clear the DNS cache with ",[169,196,197],{},"sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder",[22,199,200],{},"Restart your browsers and test.",[15,202,203,204,208],{},"It is free and covers every browser that uses the system resolver. It has no schedule and no timer, and any admin can undo it in a minute. Browsers with their own secure DNS can also skip it. The ",[76,205,207],{"href":206},"\u002Fguides\u002Fblock-websites-mac-terminal-hosts-file","Terminal and hosts file guide"," covers the details and the common reasons it seems not to work.",[10,210,212],{"id":211},"option-3-use-a-dns-filter","Option 3: Use a DNS filter",[15,214,215],{},"A DNS filter such as NextDNS blocks domains when your Mac looks them up. You point the Mac (or your router) at the service and add domains to a denylist. It covers browsers and other apps on that Mac, and a router setup covers every device on the network.",[15,217,218,219,224],{},"The tradeoffs are similar to the hosts file. Changing the Mac's DNS settings removes the block, and a browser using its own secure DNS can bypass it. Scheduling is limited. NextDNS's Recreation Time schedule applies to the services in its parental-control list, and applying it to your own domains has been ",[76,220,223],{"href":221,"rel":222},"https:\u002F\u002Fhelp.nextdns.io\u002Ft\u002Fg9h40j5\u002Fidea-add-your-own-websites-for-parental-control",[80],"requested"," in its help center.",[10,226,228],{"id":227},"option-4-use-a-system-level-blocker-app","Option 4: Use a system-level blocker app",[15,230,231],{},"A dedicated app does the hosts or firewall work for you and makes it harder to reverse.",[55,233,234,240,246],{},[22,235,236,239],{},[25,237,238],{},"SelfControl"," is free and open source. It blocks with the hosts file and the macOS packet filter, and a block can't be stopped until its timer ends, even after a restart. It has no schedule, so you start each block by hand.",[22,241,242,245],{},[25,243,244],{},"Cactus for Mac"," blocks with the hosts file and the packet filter on a recurring schedule you set once, such as every weekday from 09:00 to 17:00. It works in every browser without an extension and has no off switch during a block. It costs $19.99 once.",[22,247,248,251],{},[25,249,250],{},"Chronoid"," is a time tracker with a website blocker that runs system-wide through a privileged helper. It schedules by start time, end time, and weekdays, and lets you pause it.",[15,253,254,255,258,259,262,263,266,267,270,271,274,275,279],{},"Cactus blocks each domain you add and its ",[169,256,257],{},"www."," version, plus ",[169,260,261],{},"m.youtube.com"," for YouTube and ",[169,264,265],{},"twitter.com"," for X. Other hosts, such as ",[169,268,269],{},"youtu.be"," or ",[169,272,273],{},"old.reddit.com",", go in as separate entries, and it blocks whole sites rather than paths. It has one schedule, doesn't block apps, and is Mac only. ",[76,276,278],{"href":277},"\u002Fhow-cactus-blocks","How Cactus blocks websites"," explains the hosts and packet filter layers and how a Mac administrator can remove it.",[10,281,283],{"id":282},"what-can-still-get-around-a-block-without-an-extension","What can still get around a block without an extension",[15,285,286],{},"A Mac-level block is harder to dodge than an extension, but it isn't absolute. Check these if a site still loads:",[55,288,289,301,307,313,319],{},[22,290,291,294,295,300],{},[25,292,293],{},"Browser secure DNS."," Chrome's Use secure DNS and Firefox's DNS over HTTPS resolve names themselves and may not read the hosts file. SelfControl's ",[76,296,299],{"href":297,"rel":298},"https:\u002F\u002Fgithub.com\u002FSelfControlApp\u002Fselfcontrol\u002Fwiki\u002FFAQ",[80],"FAQ"," warns that Firefox's DNS over HTTPS can make blocks unreliable.",[22,302,303,306],{},[25,304,305],{},"iCloud Private Relay."," Safari traffic goes through Apple's relays, so firewall rules aimed at a site's addresses may not match. Turn it off for a test if Safari is the odd one out.",[22,308,309,312],{},[25,310,311],{},"VPNs, proxies, and Tor."," Traffic goes to the proxy, not the site, so address-based rules miss it, and remote DNS skips the hosts file.",[22,314,315,318],{},[25,316,317],{},"Admin access."," Anyone with an admin password can edit system files, change the clock, or remove the app.",[22,320,321,324],{},[25,322,323],{},"Shared servers."," Blocking by address can now and then break another site that uses the same servers. SelfControl's FAQ notes the same effect.",[10,326,328],{"id":327},"compare-the-options","Compare the options",[330,331,332,354],"table",{},[333,334,335],"thead",{},[336,337,338,342,345,348,351],"tr",{},[339,340,341],"th",{},"Method",[339,343,344],{},"Every browser",[339,346,347],{},"Schedule",[339,349,350],{},"How easy to undo",[339,352,353],{},"Cost",[355,356,357,375,391,406,422,437],"tbody",{},[336,358,359,363,366,369,372],{},[360,361,362],"td",{},"Browser extension",[360,364,365],{},"No",[360,367,368],{},"Depends on extension",[360,370,371],{},"One toggle",[360,373,374],{},"Free to paid",[336,376,377,379,382,385,388],{},[360,378,27],{},[360,380,381],{},"Documented for Safari",[360,383,384],{},"Daily limits, Downtime",[360,386,387],{},"Passcode",[360,389,390],{},"Free",[336,392,393,396,399,401,404],{},[360,394,395],{},"Hosts file",[360,397,398],{},"Most, with secure DNS caveat",[360,400,365],{},[360,402,403],{},"Edit one file",[360,405,390],{},[336,407,408,411,413,416,419],{},[360,409,410],{},"DNS filter",[360,412,398],{},[360,414,415],{},"Limited",[360,417,418],{},"Change DNS settings",[360,420,421],{},"Varies",[336,423,424,426,429,432,435],{},[360,425,238],{},[360,427,428],{},"Yes",[360,430,431],{},"No, timer only",[360,433,434],{},"Can't stop until timer ends",[360,436,390],{},[336,438,439,442,444,447,450],{},[360,440,441],{},"Cactus",[360,443,428],{},[360,445,446],{},"Recurring",[360,448,449],{},"No off switch during a block",[360,451,452],{},"$19.99 once",[10,454,456],{"id":455},"which-one-should-you-use","Which one should you use?",[15,458,459,460,464],{},"If you only use Safari and want a free block, start with Screen Time. If you want a free block in every browser and don't mind Terminal, edit the hosts file. If you want blocks that start on their own at set hours in every browser, use a system-level blocker with a schedule. If you also switch between Arc, Brave, and Firefox, the ",[76,461,463],{"href":462},"\u002Fguides\u002Fblock-websites-arc-brave-firefox-mac","Arc, Brave, and Firefox guide"," covers each one.",[15,466,467],{},"Whatever you pick, test it in every browser you use, in a private window, and after a restart.",{"title":469,"searchDepth":470,"depth":470,"links":471},"",2,[472,473,474,475,476,477,478,479,480],{"id":12,"depth":470,"text":13},{"id":49,"depth":470,"text":50},{"id":99,"depth":470,"text":100},{"id":163,"depth":470,"text":164},{"id":211,"depth":470,"text":212},{"id":227,"depth":470,"text":228},{"id":282,"depth":470,"text":283},{"id":327,"depth":470,"text":328},{"id":455,"depth":470,"text":456},"Block websites on Mac","2026-10-17","A website blocker with no extension works in every browser on your Mac. Compare Screen Time, the hosts file, DNS filtering, and system-level apps, with caveats.","md","Mac blocking without extensions",[487,490,493,496],{"q":488,"a":489},"How do I block websites on all browsers on a Mac?","Block them at the Mac level instead of inside a browser. The hosts file, a DNS filter, or a system-level blocker app applies to Safari, Chrome, Firefox, Arc, Brave, and Edge at once.",{"q":491,"a":492},"Does a hosts file block work in Chrome?","Usually, but Chrome's Use secure DNS setting can affect it. If a site is blocked in Safari but loads in Chrome, check that setting and test again.",{"q":494,"a":495},"Do system-level website blockers work in private or incognito windows?","Yes. The block happens before the browser connects, so private windows, guest profiles, and newly installed browsers are covered too.",{"q":497,"a":498},"Is there a Mac website blocker that doesn't use a browser extension?","Yes. SelfControl and Cactus block at the Mac level with the hosts file and the macOS packet filter. Chronoid uses a privileged helper. Several popular blockers do still rely on per-browser extensions or browser automation, so check before you buy.","Website blocker without an extension on Mac","editorial","Browser extensions are easy to switch off, skip in a private window, or leave behind in another browser. Blocking at the Mac level avoids all three. Here are the ways to do it, and what can still get around them.",{},true,"\u002Fguides\u002Fwebsite-blocker-without-extension-mac",{"title":5,"description":483},"guides\u002Fwebsite-blocker-without-extension-mac","October 17, 2026","QOxPrGh_mLR-4-E1uOaEUTtgVIp9o-L531xYAhmfCh8",[510,514,518],{"path":462,"title":511,"heading":512,"description":513,"category":481},"Block Websites in Arc, Brave, and Firefox on Mac","How to block websites in Arc, Brave, and Firefox on Mac","How to block websites in Arc, Brave, and Firefox on a Mac: per-browser extensions and policies, why Brave Shields is not a site blocker, and one fix for all.",{"path":206,"title":515,"heading":516,"description":517,"category":481},"Block Websites on Mac with Terminal and the Hosts File","How to block websites on Mac with Terminal and the hosts file","Block websites on a Mac from Terminal by editing \u002Fetc\u002Fhosts. Exact commands, IPv6 and www entries, DNS flush, why it often fails, and how to undo it.",{"path":519,"title":520,"heading":521,"description":522,"category":481},"\u002Fguides\u002Fblock-websites-on-a-schedule-mac","How to Block Websites at Certain Times on Mac","How to block websites on a schedule on Mac","Block websites during work hours on a Mac. What Screen Time can and can't schedule, what changed in macOS 27, and which scheduled website blockers fill the gap.",1792996905752]