Sifty – Filter for Reddit by Sifty
Hide rage bait, spam and the subjects you'd rather skip from your Reddit feed. Follow the ones you like. No ads, no tracking.
Available on Firefox for Android™Available on Firefox for Android™
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About this extension
Reddit is full of great posts, buried under politics, rage bait, memes and spam. Sifty reads each post in your feed and hides the ones you don't want to see.
Set your filter
What Sifty does
Privacy
Sifty only runs on reddit.com. To sort your feed, it sends the details of the posts you see (title, subreddit, flair, start of the text and a few others such as the score) to the Sifty server. It never sees your Reddit account, messages or comments, and it doesn't keep track of what you read. No ads, no tracking. Privacy policy
Good to know
Sifty is new, and we'd love to hear from you! Ideas, bugs, a subject we're missing, or a vote for old design support: write to us at contact@siftyapp.com. We read every message.
Set your filter
- Hide junk: rage bait, AI slop, spam, self-promotion and ads, whatever they're about.
- Hide distressing posts: seriously upsetting posts, whatever they're about.
- Only subreddits I've joined: drop the posts Reddit recommends from subreddits you haven't joined.
- Hidden subjects: hide a subject from a post's tag, or pick from over 200.
What Sifty does
- Knows what each post is about, not just which subreddit it's in.
- Hide a subject right from a post's tag when one shows up you don't want, and stop hiding it just as fast.
- Sifty isn't sure about a post? It stays in your feed, marked with a "?".
- Hidden posts fold into one line that says why, never deleted. You can still open any of them.
Privacy
Sifty only runs on reddit.com. To sort your feed, it sends the details of the posts you see (title, subreddit, flair, start of the text and a few others such as the score) to the Sifty server. It never sees your Reddit account, messages or comments, and it doesn't keep track of what you read. No ads, no tracking. Privacy policy
Good to know
- Free to use. Just a quick sign-in with Apple, Google or GitHub.
- Sign-in keeps Sifty free for everyone. From your Apple, Google or GitHub account, Sifty gets only your name, email and picture, never your password.
- Works on the new Reddit design. The old design (old.reddit.com) isn't supported yet.
Sifty is new, and we'd love to hear from you! Ideas, bugs, a subject we're missing, or a vote for old design support: write to us at contact@siftyapp.com. We read every message.
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Permissions and data
Required permissions:
- Access your data for reddit.com
- Access your data for www.reddit.com
Optional permissions:
- Access your data for api.siftyapp.com
- Access your data for www.reddit.com
- Access your data for reddit.com
Required data collection, according to the developer:
- Authentication information
- Website content
More information
- Add-on Links
- Version
- 1.3.0
- Size
- 185.07 KB
- Last updated
- a month ago (Oct 1, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection