PX to REM and REM to PX

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  Web Developer

  Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.

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  Pixel converter

  Pixel converter is a crucial web development and design tool for converting pixel values into different measurement units like inches, centimeters, or percentages, ensuring consistency across diverse devices and screens in responsive web design.

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  View Page Source

  Get access to the page source with the click of a button.

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  Image Resizer

  Rescale multiple images into different sizes in a single step

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  Squeezeimg - convert & compress images, WEBP, JP2

  This extension will optimization image a page using Squeezeimg

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