PX to REM and REM to PX

Related

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  DomainUserAgent

  This extension changes the UserAgent sent by your browser on a per-domain base. You can set up a different UserAgent for a specific domain, but still use the default one otherwise.

  Wurdearring: Totale tal wurdearrings: 6

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  JSON Lite

  Fast JSON viewer - highlights, shows items count/size, handles large files

  Wurdearring: Totale tal wurdearrings: 44

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  EditThisCookie

  EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!

  Wurdearring: Totale tal wurdearrings: 117

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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.

  Wurdearring: Totale tal wurdearrings: 152

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  JSON Formatter & Beautifier

  makes it simple to read JSON Code for browser

  Wurdearring: Totale tal wurdearrings: 3