Write your own filter rules

My filters holds your own rules, one per line, in uBlock Origin’s syntax. Sval uses them along with the lists.

You want to block one ad server that no list catches, or hide a banner on a site you use every day.

Steps

1. Open Settings › Privacy and protection.
2. Under Ad and tracker blocking, open Advanced.
3. In My filters, type one rule per line.
4. Select Save.

Saved. shows under the box.

Details

• A rule like ||ads.example.com^ blocks an address. A rule like example.com##.banner hides part of a page.
• Parts of pages you remove with Remove from this site are saved here too. See Remove or snip part of a page.
• Your rules sync to your other devices.
• With No Blocking, these rules have no effect, apart from the parts of pages you removed.
• Let My filters use trusted scriptlets lets your rules run trusted scriptlets. Sval asks first. The trust covers the rules as you saved them on this device. When the rules change on another device, you trust them again here.

If something goes wrong

• These filters are too long to save. Remove some rules, then select Save again.
• Filters can only hold plain text. Remove anything that isn’t text.

Related pages

• Add a filter list
• Privacy and protection settings