The best alternatives to ApiFlash are Screendot, BirdPDF, and GetScreenshot. If these 3 options don't work for you, we've listed a few more alternatives below.
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Screendot is a high performance, high feature, low cost API for taking screenshots of webpages that's built with developers in mind. Goals: Easy developer experience, free screenshot access for side projects and testing, and very low cost per screenshot.
BirdPDF allows you to convert any URL into high quality PDF or PNG. Protect PDF by password, block ads on websites. Or simply put HTML markup and render it. Predictable prices and stable servers.
GetScreenshot is a powerful programmable API that allows you to do screenshot operations at scale, and for less than other market solutions. No Code and Low Code Friendly with Zapier!