Thum.io
Website screenshots done right
Thum.io launched on December 1, 2016 with 281 votes, #72 of 3,449 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 9 years on.
In plain words
Thum.io is a web app that captures website screenshots. It serves designers and developers who need visual previews of web pages for documentation, testing, or reference purposes. The tool handles the technical aspects of screenshot generation, allowing users to quickly obtain rendered images of websites without manual capture methods.
written from the facts on this page · September 2026
From the sources
Thum.io provides real-time desktop and mobile screenshots of websites as a service. We are the only website screenshot generator to live stream thumbnails. Try it for free!
Thum.io provides real-time screenshots of websites. We are the only website snapshot generator to stream screenshots as soon as you request them. Try it out with our free easy to use API. There are also more advanced options, you can resize the image by specifying the width, and you can specify how many pixels of the original website you want to crop. For example: Website screen captures are taken from a 1200x1200 pixel browser. The above code will crop the original screen shot to 600px tall and then resize the image to 100px wide, resulting in an image that is 100px wide 50px tall. See the docs page for a full list of options . You can use up to 1000 impressions per month completely free,…from thum.io
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An API that takes a URL and returns a file with browser screenshots2025 · github.com · ▲208A self-hosted API that takes a URL and returns a file with browser screenshots. - goodreasonai/ScrapeServ
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