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Severcookie
Produces persistent, respawning "super" cookies in a browser, abusing over a dozen techniques. Its goal is to identify users after they've removed standard cookies and other privacy data such as Flash cookies (LSOs), HTML5 storage, SilverLight storage, and others.
Popularity
Repository stars4,720277,213Highest
7-day net stars——
Fork65420,683Highest
30-day trendInsufficient historyInsufficient history
Maintenance
Last push2025-04-162025-08-22
Maintenance notesNot verifiedNot verified
Repository created2010-09-222019-03-26
License & use
LicenseLicense not declaredLicense not declared
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeDeveloper toolsDeveloper tools
TypeApps & systemsApps & systems
SubcategoryDeveloper toolsDeveloper tools
PlatformNot verifiedNot verified
Cost detailsCheck current official software, hosting, model and infrastructure pricing.Check current official software, hosting, model and infrastructure pricing.
Pricing source——
First collected2026-11-032026-11-03
MetricRepository stars, not unique users or individual-skill installsRepository stars, not unique users or individual-skill installs
LanguageJavaScript—
About this projectProduces persistent, respawning "super" cookies in a browser, abusing over a dozen techniques. Its goal is to identify users after they've removed standard cookies and other privacy data such as Flash cookies (LSOs), HTML5 storage, SilverLight storage, and others.Repo for counting stars and contributing. Press F to pay respect to glorious developers.
Measured at2026-11-03 09:37 UTC2026-11-03 08:23 UTC
License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Ranked by repository stars, one position per repository. Stars and forks are not user counts.