AdGuard Content Blocking Filters
4.4k
Stars
812
Forks
686
Open issues
30
Contributors
AI Analysis
AdGuard Filters is a curated collection of content-blocking filter rules for ad blockers like AdGuard and uBlock Origin, designed to block advertisements, trackers, and privacy-invasive content across the web. It serves both general users seeking ad blocking and specialized communities requiring region-specific or purpose-specific filtering (social media, tracking protection). The project benefits end users of ad-blocking software and filter list consumers, not software developers building wi...
Inferred from signals mentioned in the README (tests, CI, type safety) — not a review of the actual code.
AI's overall editorial judgment — not an average of the bars above, can weigh other factors too.
AdGuard's actively maintained content-blocking filter list, built for cross-platform ad filtering beyond AdGuard's own ecosystem
AdguardFilters is a curated collection of Adblock-format filter rules designed to block advertisements, trackers, and privacy-invasive content. Maintained by AdGuard Team since 2014, these filters are consumed by AdGuard applications across multiple platforms and are also compatible with other ad-blocking software like uBlock Origin. The repository serves as both a production artifact and community-facing issue tracker where users report false positives and missed ads, with filter engineers responding to refinement requests.
Created in August 2014 by AdGuard Team, this repository evolved from internal filter management to a public, community-engaged artifact. The shift toward GitHub-based transparency and issue-driven filter updates reflects broader trends in ad-blocking circa 2015–2020 toward collaborative, decentralized filter maintenance.
The repository gained roughly 4,357 stars over 12 years, averaging modest but consistent growth. The 26 stars gained in the last 7 days (as of 2026-06-30) suggest stable, not accelerating, popularity. Growth appears driven by organic adoption among AdGuard users and cross-compatible tool users (uBlock Origin, etc.) rather than viral or marketing-driven events. The 808 forks indicate active reuse and customization rather than passive bookmarking.
AdguardFilters are explicitly stated to be used by AdGuard applications (Windows, Mac, iOS, Android implied from AdGuard product ecosystem). Cross-compatibility with uBlock Origin is documented in README. The existence of 808 forks and an active issue-reporting workflow (with a dedicated reporting tool linked) suggests real-world usage at scale, but quantitative adoption metrics (number of active users, deployment count, etc.) are not published in README. Adoption is plausible but not quantitatively verified in this repository.
Likely organized as a flat or hierarchically structured collection of text-based Adblock filter lists (.txt files), each following Adblock/uBlock Origin syntax. README indicates regional filters (German, Russian, etc.) and purpose-specific filters (Social Media, Tracking Protection). The repository appears to function as both source-of-truth and distribution point, with GitHub Pages deployment implied by build status badges. Implementation details are not accessible from README alone.
README references AGLint status badge, suggesting automated linting of filter syntax. Specific test coverage metrics are not documented in the README excerpt provided. Automated validation of filter rules exists but scope and depth are not specified.
Last push on 2026-06-30 (same day as analysis date) indicates active, ongoing maintenance. Multiple GitHub Actions workflows (AGLint and Pages deployment) are passing, suggesting automated quality gates are operational. Contributor count and issue resolution rate badges are present, indicating community engagement infrastructure is in place. Overall: actively maintained with no signs of dormancy or abandonment.
ADOPT IF: you need actively maintained, regionally customizable ad-blocking rules compatible with AdGuard, uBlock Origin, or other Adblock-format readers, and you want community-driven filter updates with transparent issue resolution. AVOID IF: you require programmatic filter generation, custom DSL not based on Adblock syntax, or proprietary/closed-source filter development workflows. MONITOR IF: you are considering long-term reliance on this as a single-source-of-truth for ad-blocking; verify that the AdGuard Team's maintenance commitment remains stable, especially if AdGuard Company changes business direction.
Independent dimensions
Mainstream potential
4/10
Technical importance
6/10
Adoption evidence
6/10
- Institutional dependency: filters are maintained by AdGuard Team; if company deprioritizes or changes direction, community-driven patch rate may not sustain currency.
- Rule explosion and maintenance burden: 4,357 stars and 808 forks may indicate fragmentation; unclear if central repository can keep pace with scale of issues and customization requests.
- Cross-compatibility fragmentation: filters must remain compatible with multiple platforms (AdGuard, uBlock Origin, etc.); breaking changes in one ecosystem could introduce silent failures.
- No quantitative adoption metrics published: real-world deployment count, active user base, and impact metrics are not disclosed; growth assessment relies on GitHub proxies alone.
- False positives at scale: large, community-curated filter sets inherently introduce occasional over-blocking; no SLA or prioritization process for false positive resolution is documented.
AdguardFilters will likely remain a stable, actively maintained resource for Adblock-format filter lists, with modest star growth continuing. The project does not appear poised for explosive mainstream growth (it competes in a mature, commoditized category), but will endure as a reference implementation used by AdGuard's own ecosystem and compatible third-party tools. Community engagement may increase if ad-blocking regulations or tracker sophistication drive higher demand.
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Languages
Information
- Website
- https://adguard.com/
- Language
- Adblock Filter List
- License
- GPL-3.0
- Last updated
- 7h ago
- Created
- 145mo ago
- Analyzed with
- anthropic/claude-haiku-4-5
Stars over time
Contributors over time
Top 100 contributors only — repos with more will plateau at 100.
Open issues
Top contributors
Recent releases
No releases published yet.
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| Repository | Stars | Week Δ | Language | Score | Updated |
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 easylist/easylist
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5,819 stars vs. 4,357; both are Adblock filter lists. uAssets is the canonical filter set for uBlock Origin. AdguardFilters maintains independent rules with cross-compatibility. AdguardFilters differentiates via regional and purpose-specific organization; uAssets is more monolithic. No clear technical winner—different design philosophies.
3,034 stars vs. 4,357. EasyList is the historical reference filter list in the ad-blocking community. AdguardFilters is newer (2014 vs. EasyList's earlier history) and claims more active development. Both are widely adopted and cross-compatible.
2,171 stars; appears to be another independent filter list. AdguardFilters has larger visible community (more stars, more forks) and institutional backing (AdGuard Team). Adfilt may serve niche geographies or use cases.
7,210 stars but language is Python, not Adblock Filter List syntax. Likely a different category (filter-list generator or tooling) despite superficial naming similarity. Not directly comparable.
1,676 stars; iOS implementation of AdGuard. AdguardFilters is the upstream filter content consumed by this and other AdGuard clients. Complementary, not competitive.
