CalmBlock — Website Blocker | Block Sites, YouTube & Social Media Free

Block distracting websites & social media instantly. Free privacy-first site blocker — zero data collection. Stay focused.

CalmBlock is the free, privacy-first website blocker for Chrome. Block distracting sites in one click — no account needed, no limits, no data collection. Whether you want to block YouTube during study sessions, stop scrolling social media at work, or cut off Reddit before bed, CalmBlock makes it effortless. ━━━━━━━━━━━━━━━ ★ WHY CALMBLOCK? Most website blockers collect your browsing data or lock features behind a paywall. CalmBlock does neither. • 100% Free — every feature, no premium tier, no trial period, no hidden limits • Zero Data Collection — your browsing history never leaves your device. Period. • No Account Required — install and start blocking in under 10 seconds • No Ads — not now, not ever • Lightweight — under 50KB total. Zero impact on browser performance ━━━━━━━━━━━━━━━ ★ BLOCK YOUTUBE, SOCIAL MEDIA & DISTRACTING WEBSITES CalmBlock blocks any website you choose. Popular sites to block: • YouTube — stop falling into the recommendation rabbit hole • Twitter / X — break the doomscrolling habit • Reddit — reclaim hours lost to endless threads • Instagram — stop the mindless scrolling • TikTok — escape the short-video loop • Facebook — focus on what matters • Twitch — save streaming binges for after work • Netflix — no more "just one more episode" during study time • Amazon — stop impulse browsing • News sites — take control of your information diet Block one site or block a hundred. There are no limits. ━━━━━━━━━━━━━━━ ★ FEATURES ✓ Block any website — enter a domain and it's blocked instantly ✓ Unlimited blocked sites — no caps, no restrictions ✓ One-click on/off toggle — pause all blocking when you need a break ✓ Smart domain matching — blocking reddit.com also blocks old.reddit.com and all subdomains ✓ Block statistics — track how many distractions you've avoided today and all time ✓ Beautiful block page — a calm, clean "Stay Focused" reminder when you visit a blocked site ✓ Schedule blocking — set specific days and hours for automatic blocking ✓ Auto-reload tabs — when you turn blocking off, blocked tabs automatically load the real site ✓ Go Back button — one click to return to your previous page from the block screen ✓ Instant setup — no registration, no configuration, no tutorial. Just add a site and go. ━━━━━━━━━━━━━━━ ★ HOW TO BLOCK A WEBSITE IN CHROME Blocking a website with CalmBlock takes 3 steps: 1. Click the CalmBlock icon in your Chrome toolbar 2. Type a domain (youtube.com, reddit.com, twitter.com, etc.) 3. Click "Block" That's it. The site is now blocked. When you try to visit it, you'll see a clean "Stay Focused" page instead — reminding you why you chose to block it in the first place. Want to unblock a site? Open CalmBlock, hover over the site, and click the X. Simple. ━━━━━━━━━━━━━━━ ★ WHO IS CALMBLOCK FOR? CalmBlock is built for anyone who wants to take back control of their attention: Students — Block distracting websites during study sessions and exam prep. Stop losing hours to YouTube and social media when you should be studying. Remote workers — Create a focused work environment by blocking non-work sites during business hours. Use schedule blocking to automate your focus routine. People doing a digital detox — Whether it's a full dopamine detox or just cutting back on screen time, CalmBlock makes it easy to enforce boundaries with yourself. People with ADHD — Managing attention is hard enough. CalmBlock removes the temptation so you don't have to rely on willpower alone. Block your trigger sites and focus on what matters. Professionals — Stop checking social media during meetings. Block news sites that steal your deep work time. Take control of your workday. Parents — Help create healthier browsing habits for your family by blocking distracting or inappropriate sites. Anyone who's ever said "I'll just check it for a minute" — and lost an hour. CalmBlock is for you. ━━━━━━━━━━━━━━━ ★ PRIVACY — YOUR DATA STAYS ON YOUR DEVICE CalmBlock was built with one principle: your browsing data is your business, not ours. Here's exactly what CalmBlock does with your data: ✓ Your block list → stored locally on your device via Chrome's storage API ✓ Your settings → stored locally on your device ✓ Your statistics → stored locally on your device Here's what CalmBlock does NOT do: ✗ Collect your browsing history ✗ Track which sites you visit ✗ Send any data to any server ✗ Require an account or email address ✗ Use analytics, telemetry, or tracking pixels ✗ Share or sell data to third parties ✗ Show advertisements Every permission CalmBlock requests is used solely for core blocking functionality. Nothing more. ━━━━━━━━━━━━━━━ ★ CALMBLOCK vs OTHER WEBSITE BLOCKERS CalmBlock: Free forever / Unlimited sites / No data collection / No account / No ads / 10 sec setup Others: Free trial then paid / 3-6 sites free / Analytics + tracking / Account required / Ads / Minutes to set up ━━━━━━━━━━━━━━━ ★ FREQUENTLY ASKED QUESTIONS Q: Is CalmBlock really free? A: Yes. Every feature is free with no limits. No premium tier, no trial, no credit card. Q: Does CalmBlock collect my browsing data? A: No. Everything is stored locally on your device. We literally cannot see what you browse. Q: Can I block YouTube or specific social media sites? A: Yes. You can block any website — YouTube, Twitter, Reddit, Instagram, TikTok, Facebook, or any other site. Q: Does it block subdomains too? A: Yes. Blocking reddit.com also blocks old.reddit.com, www.reddit.com, and all other subdomains. Q: Can I schedule when sites are blocked? A: Yes. Set specific days and hours for automatic blocking — perfect for work hours or study sessions. Q: Will it slow down my browser? A: No. CalmBlock is under 50KB total and uses Chrome's built-in declarativeNetRequest API, which runs at the browser level with zero performance impact. ━━━━━━━━━━━━━━━ Block distracting websites. Protect your focus. Stay calm. Install CalmBlock — it takes 10 seconds.