Firefox 152 ships native vertical tabs for everyone
Make the web a little quieter.
Smart Filter is an AI content filter for Chrome, free for keyword rules. Type a rule like clickbait
or posts about the election
, and it hides, blurs or dims every match.
- Keyword rules free forever
- Up to 10,000 AI credits included
- No account, no card
reddit.com/r/technology
Hidden
You won't believe what this CEO just said about remote workers
Hidden
Cryptocurrency exchange halts withdrawals for the third time this month
Senate committee schedules hearing on the chip export bill
I rebuilt my home server around a 6 W mini PC. Here is the power data
Hidden
People are furious and honestly they have every right to be
reddit.com
3 hidden on this page
- rage baitHide · this site · 2 here
- crypto*Hide · this site · 1 here
Smart Filter in short
Smart Filter is a Chrome extension that hides posts, videos, comments and listings that match your rules. These can either be keyword rules to match words, or AI rules to describe a kind of post in plain English. Use it to hide rage bait on Reddit, AI news on Hacker News or sponsored products on Amazon - it works on any web page with lists of elements. Every hidden item keeps a Show button.
Filtering the web is still harder than it should be
Keyword lists miss the point
You block "outrage" and get "people are furious" instead. Every new phrasing slips through.
One extension per site
A blocker for YouTube, another for Reddit, nothing for the forums and comment sections you read every day.
Content flashes, then breaks
Posts appear before they vanish, and filtering stops after page one or on infinite scroll.
AI filters want your API key
The smart ones expect your own AI account, a key and a bill per token.
Smart Filter fixes all four, on every site you visit.
Keywords catch words. You want to filter what posts mean.
A keyword list needs every phrasing in advance. An AI rule reads each item and decides whether it matches what you described.
Keyword rule
Hide items containing
outrage- Outrage as city council approves parking fee
- You won't believe what this CEO just said about workers
- People are furious and they have every right to be
- This one chart should make everyone angry
1 of 4 caught
AI rule
Hide
rage bait: written to make me angry- Outrage as city council approves parking fee
- You won't believe what this CEO just said about workers
- People are furious and they have every right to be
- This one chart should make everyone angry
4 of 4 caught
The same goes for politics: most election posts never use the word election. See how to hide politics and election posts on X, Reddit, YouTube and Google, or set up a rage bait filter.
One sentence in. A quieter page out.
Describe it the way you'd say it
No lists, no regex. Free keyword rules with wildcards work alongside AI rules, which catch what has no keyword, like clickbait.
Choose how it disappears
A hidden item leaves a quiet line, a blurred or dimmed one names the rule that matched. One click on Show brings it back.
Hide
Blur
Dim
Show only
Show only hides every item that matches none of its rules.
On one site or everywhere
Save rules as filter sets and switch them per site.
Nothing flashes
Items are checked before they paint, even while you scroll forever.
Tuned for the feeds you scroll most
These sites work out of the box: Smart Filter knows where each post, video or listing starts and ends. Each comes with suggested rules you add in one click.
Suggested rules
- rage bait
- low-effort reposts
- election news
YouTube
Home, search, sidebar, ShortsSuggested rules
- clickbait titles
- reaction*
X
For you, Following, repliesSuggested rules
- engagement bait
- giveaway spam in replies
- election news
Google Search
Search resultsSuggested rules
- thin SEO listicles
- best * deals
Hacker News
Front page, new, commentsSuggested rules
- crypto and AI hype
- show hn*
Amazon
Search results, reviewsSuggested rules
- Sponsored
- fake-sounding reviews
Airbnb
Search results, reviewsSuggested rules
- reviews that mention noise
- hotel*
eBay
Search resultsSuggested rules
- replica or counterfeit items
- for parts*
Etsy
Search resultsSuggested rules
- mass-produced, not handmade
- digital download*
Bluesky
Feeds, threads, repliesSuggested rules
- political dunks
- follow back*
Indeed
Job search resultsSuggested rules
- requires 10+ years of experience
- commission-only jobs
Any other site works too
Smart Filter finds the repeated items on a page by itself: posts, comments (news comment sections too), products, listings. Not right? Point at one item and it learns the rest.
Switching from another filter? See how Smart Filter compares as an Unhook alternative, a BlockTube alternative, a Control Panel for Twitter alternative and a PureFeed alternative.
Save your filters as sets
Group rules for a purpose and turn them on where they belong. A set for calm news on Reddit and Google, another without spoilers (see how to hide spoilers for shows, games and sports), one for work hours.
Calm news
reddit.com, news.ycombinator.com, google.com · 3 rules
No spoilers
All sites · 2 rules
Work hours
youtube.com, x.com · 2 rules
Your keywords stay on your device.
AI rules need a model, so only your rule and the text of each item go out, with a random install ID and the extension version, and without your name, your account or the page address.
Stays in your browser
- Keyword rules and every match they make
- Your filter sets and which sites they run on
- The item selectors it learned for each site
Sent for AI rules only
- Your rule and up to 400 characters of each item's text, with a random install ID and the extension version
- On other sites, where an AI rule is on: the site name, a few CSS selectors and short text samples, once, to find the items
- Never on a built-in list of email, chat and banking sites, and never text you type or timestamps
- Classified by the Jev model of TypeSafe. We do not store item text, and TypeSafe says it does not train on it
- Off until you agree, and you can turn it off any time
userId "a random install ID" version "0.1.0" rules [{ id, text: "rage bait" }] items [{ id, text: "You won't believe what this CEO..." }, ...]
Free to filter. Pay only for AI.
Keyword rules are free forever. AI rules start with up to 10,000 free credits. One credit checks one post against one AI rule. A plan adds credits every billing cycle, a top-up adds them once, and unused credits carry over.
Free
$0 No card
10k credits included One credit checks one post against one AI rule.
- Unlimited keyword and wildcard rules
- Every site, eleven of them out of the box
- Hide, blur, dim or show only matches
- Filter sets and per-site switches
- No account. Keyword rules stay on your device
Plans
Prices are in US dollars. Polar Software Inc. sells the plans and the top-up as merchant of record, and the terms state the billing. Prices and limits of the plans on sale: product facts.
Questions before you install
Is Smart Filter free?
Keyword rules are free forever. AI rules start with up to 10,000 free credits, then a plan from $5 a month or a one-time $10 top-up adds more.
Which sites does it work on?
Every site. Reddit, YouTube, X, Google, Hacker News, Amazon, Airbnb, eBay, Etsy, Bluesky and Indeed work out of the box. On other sites, including news comment sections, Smart Filter finds the repeated items itself, and you can point at one item if it guesses wrong.
What does a credit cover?
One credit checks one post, video, listing or comment against one AI rule, so a post checked against 3 AI rules costs 3 credits. Up to 10 AI rules run on one site. Items it has already checked are remembered, so scrolling back up costs nothing.
Do I need an API key or an account?
No. Install it and write a rule. A licence key only comes into play when you buy credits.
Can a post trick the AI into showing it?
Items are sent as data, never as instructions, and Smart Filter ignores text addressed to a filter. No classifier is perfect, which is why every hidden item stays one click away.
Does it slow pages down?
Keyword rules run instantly on your device. AI results arrive in batches and are cached, so a long feed only waits for new items.
What happens when my free credits run out?
Once your credits are used up, AI rules pause until you add credits with a plan or a top-up. A plan also adds credits at each renewal. Keyword rules keep working.
What happens when I change or cancel a plan?
You change your plan in the extension's settings (Account, Change plan). The new plan starts at your next billing date, is billed from then and adds its credits at that renewal; nothing is charged when you switch, and your credits stay. You cancel in Polar's customer portal (Manage billing, in the same place). A cancelled plan stays active to the end of the period you paid for. Your unused credits stay yours: enter your licence key again and the extension lists them as credits from a past plan, which you can link to up to 5 installs at a time.
Can I buy more credits without changing my plan?
Yes. A top-up is a one-time purchase of 75,000 credits for $10. The credits never expire. Buy it with the same email as your plan: the credits join your plan's balance on their own and your plan stays as it is, with no key to enter. A top-up bought with a different email cannot join your plan. Without a plan, you enter its licence key in the extension.
Does it send my email or chat to the AI?
AI rules never run on a built-in list of email and chat sites (Gmail, Outlook, WhatsApp Web, Slack, Discord and others) or on addresses that start with mail., webmail., bank. or banking., so nothing from those pages is sent. Keyword rules still work there, on your device. On every other site, AI rules send item text once you have agreed.
Tell any page what to hide.
Keyword rules free forever. No account, no card. Your first rule takes ten seconds.
Add to Chrome