Browser extensions starting with J

Automatically refreshes Oracle NetSuite portlets when you log in or open the NetSuite Dashboard.

Juicy Coupon sends supported shopping domains you visit to coupon-now.com for coupon lookup.

Automatically skips or fast-forwards silent parts of videos in real time.

Blocks distracting websites and pages so you can focus on work.

Shows the current minutes as a large, simple toolbar clock display.

JustAnswer sends the host and path of every page you visit to Google Analytics.

Adds Jira board visuals, WIP-limit indicators, templates, and chart helpers for Kanban workflows.

Formats JSON and JSONP responses into a collapsible, readable view in Firefox.

Formats JSON content in the browser with adjusted content-type handling and dark mode.

This extension provides a JSON viewer for supported browsers.

JSON格式化工具 can capture the active tab as an EPUB and upload it to the configured reMarkable cloud API.

Popify - Youtube Themes & Customizers injects uploaded local images as readable data URLs into YouTube pages.

Japanese Dictionary JP creates ezse.net grade links containing transcript and grade-table data from student pages.

Jiten Reader sends Japanese text from pages you parse to api.jiten.moe for dictionary tokenization.

Joxi runs hotkey listeners on every website and uses Joxi token requests for sign-in and refresh flows.

Adds a Chinese input method for ChromeOS that can load XCIN and GCIN table files.

This extension replaces the Chrome new tab page with a Satoru Gojo live wallpaper and productivity widgets.

This extension renders local and remote Jupyter Notebook files directly in the browser.

Formats and previews JSON and JSONP in Chrome with themes, collapsible nodes, and editing tools.

Shows and validates JSON-LD data found on the current website.

Toggle JavaScript on or off from the Chrome toolbar.

Displays JSON with syntax highlighting, collapsible trees, themes, and JSON Path support.

JSX Preview loads preview-engine libraries from esm.sh and can add Tailwind's CDN while rendering JSX.

JanitorAI Chat Downloader, Reader & Exporter captures JanitorAI chat responses so users can export them locally.

Search selected text on Jisho.org from the right-click menu or a toolbar popup.

JunkFill fills forms on the active page with locally stored custom values when the user clicks its toolbar button.

Shows how difficult it is to delete an account on the website you are visiting.

This voice assistant answers basic requests and opens common apps or websites from a PC.

Copies formatted issue or pull request text from matching pages to the clipboard.

JSON Formatter Pro loads Google-hosted fonts when its popup opens.

Adds keyboard controls to the video player on jw.org.

Jarvis sends the Chrome profile email address to Google Analytics during install and telemetry events.

Downloads osu! beatmaps through supported third-party mirror APIs without visiting their sites.

JobOwl sends the visible text from the active tab and its frames to api.jobowl.co when generating resumes or cover letters.

Displays valid JSON pages as an interactive, highlighted tree for easier browsing and copying.

This extension adds an interactive audio equalizer to web audio playback in the browser.

Toggle JavaScript on or off per domain from the browser’s URL bar.

This extension lets browser pages display JPEG XL images without native browser support.

Applies a dark theme to Jira Cloud pages on atlassian.net.

Scans Twitter/X posts for AI-generated content using a hand-reviewed user list.

Juicy - Amazon Coupons Finder sends Amazon search terms and coupon product listings to analytics and Juicy Discount servers.

Open repository projects from popular Git hosting sites in JetBrains IDEs.

1-2-3 Kupovina s Jeftinije.hr posts search queries, page URLs, and visible result metadata to jeftinije.hr.

JP English Dictionary sends hovered or selected page text to the configured translation provider.

Displays JSON and JSONP responses in a structured, easier-to-read browser view.

Jiminny Sidekick sends selected phone numbers and CRM record identifiers to the Jiminny phone controller.

Improves Persian text display and date handling in Jira pages.

JobJump sends logged-in user IDs and partially masked emails with extension activity to Google Analytics.

JoggAI uploads the active page's full HTML and URL after you click Convert.

JokeTab injects a content script on every site that reports visited page URLs and shopping-domain activity to events.givefreely.com.

Replaces the new tab page with a Jujutsu Kaisen Sukuna live wallpaper and browsing widgets.

Jump To Recipe sends detected recipe-page URLs to jump-to-recipe-flask.onrender.com.

Redirects Java 7 documentation links to the corresponding Java 21 documentation pages.

Formats and prettifies JSON webpages with syntax highlighting, themes, and multiple viewing modes.

JD Data Scrapper Tool sends completed Justdial scrape results to www.scrappertool.com.

JKT48 Wrapped sends encrypted JKT48 account and ticket history to jkt48live.github.io for wrapped results.

Tests and debugs API requests with support for common HTTP methods and formatted JSON/XML views.

Jace Gmail Extension sends a bundled bearer token to a Zeta Labs dev API when its popup polls thread data.

JavaScript Errors Notifier lets webpages request extension storage option values through its all-sites message bridge.

Turns browser JavaScript on or off from the toolbar.