Ihappy4thofjuly.com has been offering free Independence Day images and wallpapers since 2017. Nine years online is a strong signal for any site, especially one that doesn't ask for payments or personal data. Most legitimate image download sites in this niche have similar longevity. The site clearly states its purpose and provides an about page, contact details, and a business disclosure, which is more than many free resource sites bother with.
For a site that simply hosts images and text, the security setup is adequate. It's protected by Cloudflare and uses modern encryption, though it could tighten up with modern browser protections. The absence of social media profiles isn't surprising — this isn't a brand building a following, it's a focused resource. If you're looking for 4th of July images to use in personal projects or social media, ihappy4thofjuly.com appears to be a genuine option. As always, avoid downloading executable files or entering any payment information, but that's general advice for any free download site.