Firefox add-on with keyword - replace

Plain Text or Regular Expression Find and Replace Text on Web Pages

Lets you replace text in web pages. You can define a substitution list and apply it automatically or at your own discretion, or make individual substitutions. You can use this as a filter, or just for fun :)

Adds search & replace tool for input fields and editable text content. It includes search history, favourites, templates, highlighting, and advanced regex patterns. Use it when composing long emails, blog articles, or forum posts.

Replace URL by regular expression pattern mapping

将 Google CDN 替换为国内镜像

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Replace or hide the words on the internet.

Regex: T ultimate Regex search ⭐️ Simply use Regex on any page with familiar Ctrl+F visuals. ✓ Ctrl+Shift+F search field ✓ Regex query searching ✓ Permanently marking up or replacing anything. ✓ Open Source

Seamlessly replace text on any web page.

Sets the Subscriptions page as your default homepage on YouTube by redirecting all requests at the browser level

Find and replace text in the url across all of your tabs. Easily search for and replace specific strings such as dates, tokens, queries, and more. This app is designed when you have many tabs open and need to replace a particular string in the url

Watch stream archive videos with chat replay.

Places Near Me replaces your new tab with quick access to Nearby Places & Yahoo web search.

Replaces words/phrases that user specifies on a webpage with new words/phrase that the user specifies.

Replace Steam CDN with FSPNetwork CDN.

Text Replacements is an extension that brings the Text Replacements feature from MacOS/iOS to Firefox.

Online harassment is a problem. The solution? People being less terrible. Until then, this extension replaces "bitch" and other derogatory words like it with "boss" all across the internet.

Batch replace bookmark URL.

The LRT Power*Trust metric helps you evaluate the quality and trustworthiness of a domain or page you are currently visiting.

Replace your historical reddit comments with any text of your choosing. Do not use copyrighted text! Reddit signed a deal with Google to use their content as LLM training data, and we wouldn't want them to get in trouble.

Replaces all instances of “billionaire” with “oligarch”.

FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.

Replaces the default base URI of an x.com link with one of four embed fixer URIs.

Replace a bookmark's content without creating a new one. Ideal for following webcomics. - Only one bookmark for the domain: replaces it without prompting. - No bookmark: offers the option to create it. - More than one: Show list to choose from.

Replaces the Google logo on google.com with a link to another site.