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Web Frontend Tools

Debug APIs, clean content, format data, and run release checks directly in your browser.

Small utilities frontend engineers reach for: minify HTML and CSS, compute selector specificity, convert between binary/decimal/hex, and calculate IPv4 subnets.

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0x

Number Base Converter

Convert between binary, octal, decimal & hex

Web Frontend

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IPv4

IPv4 Subnet Calculator

Calculate subnet, hosts, CIDR and binary details

Web Frontend

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HMin

HTML Minifier

Minify HTML and remove unnecessary bytes

Web Frontend

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CMin

CSS Minifier

Compress CSS for faster page loads

Web Frontend

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SPEC

CSS Specificity Calculator

Calculate selector specificity score

Web Frontend

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