Page Speed
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Critical CSS generator. Speed up your website by preloading the critical CSS on your pages.
Code Formatter
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Convert Puppeteer code into Playwright code.
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Prettify JSON code online with this free tool.
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Escape HTML code online with this free tool.
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Prettify your XML code online with this free tool.
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Remove whitespace (tabs, spaces and newlines) from any text.
Data Generators
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Generate Fake Credit Card Numbers online for testing.
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Generate a random number, between two numbers.
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JWT parser: decode JWT tokens.
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Generate a random Postal address for testing.
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Generate details for a fake person, to be used during testing.
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Hash text using various functions: MD5, SHA1, SHA256, SHA224, SHA512, SHA384, SHA3 or RIPEMD160.
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Generate random text with the Lorem Ipsum generator
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Generate a random IPv4 address for testing.
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Generate random and unique GUIDs.
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Retrieve the number of characters in any piece of text.
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Convert ASCII text to its binary notation.
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Generate random colors in HEX notation.