Free Website Change Tools
Compare, explain, and share website changes—free and private in your browser.
Compare
Website Screenshot Diff Checker
Drop in before-and-after screenshots, tune sensitivity, isolate one area, and see exactly which pixels changed.Review
Text Diff & Share
Compare two versions of website text by words or lines, download the result, or publish an unlisted review link.Embed
Before & After Slider
Turn two page states into an interactive reveal, an unlisted link, or a responsive comparison you can embed anywhere.Present
Before & After GIF Maker
Style two screenshots, highlight the changed area, choose an animation, and export a GIF locally.Recurring monitoring
Use PageDog for scheduled checks.
These tools help with a one-off comparison or presentation. PageDog handles recurring checks on your Mac and saves each recorded change.