# uBlock Origin Lite privacy rating

Manifest V3 content blocker from the uBlock Origin developer that filters ads and trackers through declarative browser rules, with no background process.

**Our pick.** For browsers that only allow Manifest V3 extensions, such as Chrome and Edge: uBlock Origin's filter lists with no data collection and no background process.

## Summary

uBlock Origin Lite scores 88 out of 100 (grade B) on the ad and tracker blockers criteria. It meets 6 of 7 criteria: open source, no trackers or telemetry, no ads or data sales, effective by default, no browsing data collected and custom filters. It does not meet independent audit.

- Website: https://github.com/uBlockOrigin/uBOL-home
- Source code: https://github.com/uBlockOrigin/uBOL-home
- License: GPL-3.0
- Platforms: Windows, macOS, Linux, iOS
- Category: [Ad and tracker blockers](https://privacyratings.com/ad-blockers/)
- Grade: B (88/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | GPL-3.0. | https://github.com/uBlockOrigin/uBOL-home/blob/main/LICENSE |
| No trackers or telemetry | Yes | No analytics or telemetry in the code and no home server. | https://github.com/uBlockOrigin/uBOL-home/wiki/Privacy-policy |
| No ads or data sales | Yes | No ads, and donations are not accepted. | https://github.com/uBlockOrigin/uBOL-home/wiki/Privacy-policy |
| Independent audit | No | No independent audit is published. |  |
| Effective by default | Yes | The default rulesets include uBlock Origin's filters, EasyList, EasyPrivacy and Peter Lowe's list. | https://github.com/uBlockOrigin/uBOL-home |
| No browsing data collected | Yes | No data of any kind is collected. The only remote requests are for filter lists the user subscribes to. | https://github.com/uBlockOrigin/uBOL-home/wiki/Privacy-policy |
| Custom filters | Yes | Custom filters and subscriptions to external filter lists are supported. | https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-asked-questions-(FAQ) |

Source: https://privacyratings.com/ad-blockers/ublock-origin-lite/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/ad-blockers/ublock-origin-lite.md