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Dev tools · March 31, 2026

WebDiff

Never break a website update again

WebDiff launched on March 31, 2026 with 8 votes, #1,340 of 23,380 launches that month and more than 90% of that year's launches.

What it does

WebDiff is a desktop app (Mac & Windows) that compares your website before and after an update — pixel by pixel, source code, SEO tags, links and network requests. Get a clear report with traffic-light indicators so nothing slips through. Pay once, own it forever.

WebDiff captures your pages before and after the update and flags every difference: visual, SEO, links, code, network.

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