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Grant
Theme fund: NGI0 Commons Fund
Start: 2025-08

JShelter UX

Upgrading JShelter to increase functionality and user adoption

JShelter is a free browser extension that protects user privacy by limiting JavaScript APIs to prevent fingerprinting, tracking, and other security threats. Users can control which browser APIs websites can access, reduce the precision of data accessible through these APIs, or even provide fake values to mitigate risks from potentially harmful sites. While JShelter is a well-established tool, it faces usability challenges as the web landscape evolves rapidly. This project focuses on addressing these usability issues, new privacy threats, and improving user retention. It will leverage new APIs available for web extensions to enhance protection. The aim is to improve usability, documentation, and testing, ultimately making JShelter more reliable and user-friendly.

Logo NLnet: abstract logo of four people seen from above Logo NGI Zero: letterlogo shaped like a tag

This project was funded through the NGI0 Commons Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 101135429. Additional funding is made available by the Swiss State Secretariat for Education, Research and Innovation (SERI).