Privacy Policy

Last updated: June 9, 2026. At JS Tools, accessible from js-tools.org, one of our main priorities is the privacy of our visitors. This Privacy Policy document contains types of information that is collected and recorded by JS Tools and how we use it.

1. Local Processing (Zero Data Collection)

None of the files you upload or process using our tools (such as Image Optimizer) are ever sent to a server. All operations, conversions, and compressions are processed locally within your web browser using client-side technologies like WebAssembly and HTML5 Canvas. We do not store, view, or collect your files.

2. Cookies and Web Beacons

Like any other website, JS Tools uses 'cookies'. These cookies are used to store information including visitors' preferences, and the pages on the website that the visitor accessed or visited. The information is used to optimize the users' experience by customizing our web page content based on visitors' browser type and/or other information.

3. Google DoubleClick DART Cookie

Google is one of the third-party vendors on our site. It also uses cookies, known as DART cookies, to serve ads to our site visitors based upon their visit to js-tools.org and other sites on the internet. However, visitors may choose to decline the use of DART cookies by visiting the Google ad and content network Privacy Policy at: https://policies.google.com/technologies/ads

4. Consent

By using our website, you hereby consent to our Privacy Policy and agree to its terms.