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Dev tools · January 24, 2021

Clipboard Checker

Keep your clipboard safe from JS injections.

Clipboard Checker launched on January 24, 2021 with 77 votes, #545 of 3,157 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 5 years on.

Visit chromewebstore.google.com ↗Clipboard Checker alternativestop 17% of January 2021

What it does

Clipboard checker is an open source set it and forget it chrome extension that scans any text you copy in your browser to determine if malicious content has been added or changed.

Does a similar job

all alternatives →
  • Xtra Clipboard2021 · ▲95

    Boost your productivity with clipboards

  • CC
    clipboard.com, the best way to save anything online2012 · ▲104

    We are longtime members of HN and this is our only submission requesting feedback from the HN community on our product, Clipboard which we have been developing for the past year. Clipboard is a service to save anything online using a bookmarklet or browser extension (think Dropbox for content on the web). Clipboard is built using open source technologies, including Riak, Redis, NGINX, Node.js, and jQuery. One of our core differentiators is how we preserve the visual look and functionality of the original source, which is evident in the sample clips from github here:…

  • ClipMarkApr 2026 · clip-mark.com · ▲113

    Never lose anything you copy again

  • Clipboard Canvas2024 · clipboardcanvas.com · ▲137

    Clipboard Canvas is a free clipboard manager that helps designers and developers organize and access their clipboard content efficiently. Features text snippets, code snippets, and clipboard history.

  • Clipgo2025 · apps.apple.com · ▲157

    The clipboard you’ll never want to live without

  • Checkbot for Chrome – web crawler that tests for web best practices2018 · checkbot.io · ▲83

    Checkbot finds SEO, speed & security problems before your website visitors do. Tests for broken links, duplicate content, invalid HTML/CSS/JavaScript, insecure pages & more. Test 100s of pages at once including local sites to keep on top of problems & stop critical issues going live.

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Source: Product Hunt launch ↗

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