Tools
Our tools hold institutions accountable for the way they use technology, pulling back the curtain so readers can see for themselves how technology affects them.
![](https://mrkp-static-production.themarkup.org/uploads/2020/09/blacklight-1-841x473.jpg)
Blacklight
A Real-Time Website Privacy Inspector
![Twitter/X headquarters with red bars in the sky.](https://mrkp-static-production.themarkup.org/uploads/2023/09/tco-gradient-bg-841x473.jpg)
Is Twitter Throttling a Website Right Now?
Measure in real-time how long it takes for X’s link shortener to redirect to any URL.
![Screenshot of an interactive map showing the internet speed of addresses in Los Angeles.](https://mrkp-static-production.themarkup.org/uploads/2023/05/isp-featured-841x473.jpg)
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See the Neighborhoods Internet Providers Excluded from Fast Internet
Explore The Markup’s interactive map to see where AT&T, CenturyLink, and Verizon offered only slow internet speeds in major U.S. cities
![Illustration of a browser window showing the US Place Sampler. Various coordinates wrapped in bubbles are scattered throughout the composition. The background features a location pin wallpaper made of dotted lines.](https://mrkp-static-production.themarkup.org/uploads/2023/03/usps-lead-art-reduced-841x473.jpg)
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United States Place Sampler (USPS)
Easily sample random U.S. street addresses using this new tool from Big Local News and The Markup
![](https://mrkp-static-production.themarkup.org/uploads/2021/03/story-art-841x473.jpg)
Citizen Browser
Split Screen
A tool from The Markup’s Citizen Browser project
![](https://mrkp-static-production.themarkup.org/uploads/2020/11/illo-8-841x473.jpg)
Google the Giant
Simple Search
A browser extension from The Markup
![The words "Amazon Brand Detector" under an icon with an eye. In the background there are pairs of items, with orange boxes highlighting one of the pair.](https://mrkp-static-production.themarkup.org/uploads/2021/11/amazon-brand-detector-3200x1800-1-841x473.png)
Amazon’s Advantage
Amazon Brand Detector
A browser extension that reveals Amazon brand and exclusive products while you shop on the site
![3-D Illustration of a colorful browser window, with arrows showing how its URL is transformed into a URL that is shorter.](https://mrkp-static-production.themarkup.org/uploads/2022/10/smol-links-final-image_reduced-841x473.jpg)
LevelUp
Smol Links
Our WordPress plugin, built on top of Shlink, lets editors generate short URLs without compromising user privacy