Privacy, safety & ads
Local processing, remote services, analytics, advertising, and the limits of informational tools.
3 guides
- Privacy and Local Processing: Does Your Data Leave the Browser?Many AltFTool tools process text, files and calculations locally in your browser, so the input never leaves your device. Features that need AI, live data, lookups or server conversion send the minimum input required to a remote service, and the tool page says so.5 min read
- Ads and Analytics on AltFTool: What Runs and WhyAltFTool is free because it carries advertising: Google ads and AltFTool's own house promotions. It uses Google Analytics and lightweight performance measurement in production, with ad and analytics storage denied by default in the EEA, UK and Switzerland until consent is given.4 min read
- Using AltFTool's Calculators and AI Tools ResponsiblyAltFTool calculators, comparisons, health and finance content, legal directories and AI output are informational starting points, not professional advice. Check important results against official sources or a qualified professional before acting on them.4 min read
Popular tools in this area
- Password GeneratorGenerate random, highly secure passwords with advanced character controls, live strength scoring, and entropy estimates. Everything runs in your browser — nothing is stored.
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- Screenshot Privacy MaskerHide sensitive screenshot regions locally with solid masks, blur, or pixelation, then export a flattened image.
- Image Metadata ViewerExtract and view complete image metadata including EXIF, IPTC, GPS, and file properties.
- URL Tracking Parameter StripperRemove utm, gclid, fbclid, mc_eid and hundreds of other tracking parameters from links, in bulk, entirely in your browser.
- Ad Topic Profile ExplainerSee what interest-based ad topics are, how each platform builds them, and get a per-platform reset checklist.