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Web guides
Guides for URLs, browsers, accessibility, and other web utilities.
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8 guides
How to check browser information
Show information the current browser exposes, without fingerprinting or transmitting it.
How to check device pixel ratio
Show the current browser devicePixelRatio with a short explanation.
How to check screen resolution
Show the current screen resolution and available screen dimensions.
How to check viewport size
Show live browser viewport width and height.
How to use query string parser
Parse query parameters into a readable key/value view and reconstruct them safely.
How to use url parser
Parse a URL into protocol, host, port, path, query, fragment, and related components locally.
How to use user agent parser
Parse a pasted user-agent string locally with an explicit note that user-agent identification is heuristic.
How to use utm link builder
Build a URL with properly encoded UTM parameters and copy the result.
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