Developer Tools extensions
Security reviews of 309 Developer Tools browser extensions, each rated on what its code does when it runs.
Sneeit Spot
Sneeit.Com
CleanThis extension helps manage supported Blogger or Blogspot themes and related post editor features.
Vibe n8n - AI assistant for n8n
8node Labs
CleanVibe n8n sends included workflow details to vibe-n8n.com when you ask it to improve a workflow.
Virtual Json Viewer
PS
CleanThis extension displays JSON with fast rendering, search, filtering, formatting, and download options.
Web Helper
Marketerhelp
CleanThis extension analyzes webpages to show scripts, images, colors, fonts, and links.
Web Vitals
Jose Manuel Fernández
LowWeb Vitals sends the active tab URL to Google Chrome UX Report when its popup loads field data.
WebPageTest Recorder Extension
Catchpoint Systems Inc
CleanExports Chrome Recorder user journeys as WebPageTest custom scripts for performance testing.
Xranks
Xranks
CleanShows website traffic and engagement metrics while you browse.
API Tester - REST API Tester Client FREE
99extensions
CleanSend and inspect REST API requests directly from the browser.
Accessibility View
Dword Design
CleanShows a simplified accessibility-focused view of the current webpage.
AutoReview for Power Automate
Power DevBox
CleanReviews Power Automate flows and generates reports, diagrams, comparisons, and export files.
Automize - Testing/Scraping Tool
Automize
CleanThis extension helps create and replay web automation scripts for testing and scraping workflows.
Bootstrap grid viewer
Rastislav Hepner
LowBootstrap grid viewer loads Font Awesome from use.fontawesome.com when its popup opens.
Bugasura
AppAchhi
CleanBugasura captures screenshots and page URLs during active test sessions and uploads test results to api.bugasura.io.
Carbon Devtools
Carbon Design System
CleanVisualizes Carbon grids, tokens, and components on live pages for design system review.
Clip LeetCode
Edgar Ong
CleanCopy LeetCode problems, examples, and constraints for use in your code editor.
Codeforces Custom Contests
Avinash Devineni
LowCodeforces Custom Contests accepts cross-origin messages that create Codeforces gym contests from supplied problem and invite data.
Color Palette
jimwitsenboer
CleanExtracts and displays color codes from the current webpage in a popup.
ColorZila
battleagame
CleanPick colors from webpages and copy their HEX or RGB values for design and development work.
Conventional Comments (GitHub) - by Pullpo
TOPUS SOFTWARE SL
LowConventional Comments sends GitHub and GitLab pull request identity details to Pullpo by default.
Copy Host
Dheeraj Joshi
LowCopy Host loads a Google Fonts stylesheet from its popup when the extension is opened.
Copyable : Lovable code copy extension
Shihab Soft
CleanCopies or downloads the current Lovable Code file with one click.
Detectify Recorder
detectify-team
LowDetectify Recorder sends recording auth tokens through page-visible frame messages that can write stored commands.
Digital Data Viewer
mike gieson
CleanDigital Data Viewer (DDV) captures Adobe Analytics and XDM request details from the inspected tab for local display and export.
Easy Sitemap Extractor
Nik Does SEO
CleanExtracts URLs from XML sitemaps and helps review site structure for SEO work.
EbayGPT: ChatGPT Ebay listing optimization
GPTDeveloper
LowEbayGPT injects extension resource URLs into supported pages, making its installed extension ID visible there.
Email Verifier by ZeroBounce
chrome
CleanEmail Verifier by ZeroBounce sends page email addresses to ZeroBounce when you validate them.
ExitKiosk
danidoble
CleanAutomatically closes tabs that match user-defined keywords or links.
Fasterize Status
fasterize
CleanFasterize Status stores each tab's main-frame URL and response metadata locally to show Fasterize/CDN status.
Fluid Engine Tablet Spacing Fixer
Chris
CleanThis extension sets Squarespace 7.1 Fluid Engine mobile editing view to 767px wide.
Form Troubleshooter
Sam Dutton
CleanChecks web forms for common coding and autocomplete issues.
GTM Analyzer
ibatta
CleanTracks and analyzes GA/GTM requests in Chrome DevTools.
Hide "People Also Asked" Results
Chris Lever SEO
CleanHides the “People Also Asked” box from Google Search results pages.
hundredranks-%E2%80%93-export-top
Altamash Mapari
CleanExports the top 100 organic Google Search results to a CSV file.
JSON Hero
JSON Hero
CleanJSON Hero sends page JSON and supported metadata from the current tab to jsonhero.io.
MGID Pixel Helper
Mgid
CleanThis extension checks MGID pixel implementation status and shows real-time feedback.
Markdown Printer
Lev Gelfenbuim
CleanThis extension saves web pages as Markdown files from the toolbar or right-click menu.
Meta Debugger
bluemoehre
CleanAdds a Chrome DevTools panel for inspecting webpage metadata and head elements.
Meta Tags Pro - Advanced SEO, GEO & Accessibility Audit
abhij89
CleanThis extension audits webpages for SEO, performance, accessibility, meta tags, links, images, and structured data.
Neon work clock - newtab
bit199801
LowNeon work clock sends top-site hostnames from the new-tab page to favicongrabber.com for favicon lookup.
Night XML - dark mode XML viewer
Promotino Ltd.
CleanAdds dark mode styling to XML web pages in Chrome.
Ninja ASO
Youba Amj
Mediumoverfig-%E2%80%93-compare-design
AZN Research
CleanOver.fig forwards Figma overlay project data into the active web page.
PX to REM
Arthur Arakelyan
CleanConverts CSS units between pixels and rem values in a browser popup.
PX to VW
Arthur Arakelyan
CleanConverts CSS values between pixels and viewport width units.
Perseo
perseo.pro
LowPerseo records HTTP(S) page navigation URLs and request and response headers in local extension storage.
Playwright POM Generator
TheWonderApps
CleanPlaywright POM Generator analyzes the active tab's URL, title, and page elements when you request POM generation.
Positionable
Andrew Plummer
CleanThis developer tool lets users visually reposition page elements with drag, nudge, align, and undo controls.
Proxy Switch by Proxy-Hub.com
proxy-hub.com
CleanThis extension manages and rotates HTTP(S) and SOCKS proxies for browsing.
Random User Generator
JARRARDXYZ
CleanGenerates arrays of random JSON user objects for database filling and test scripts.
Refined Microsoft Learn
merill
CleanThis extension makes Microsoft Learn pages cleaner by focusing the layout on the main content.
SEO Checker by Sekhlo
imubashirhassan
LowSEO Checker by Sekhlo sends page and Google result domains to external SEO metric services.
Screenshot Pro : Full page screenshot
Himani Mehra
CleanCaptures full-page screenshots of websites and downloads them as image files.
Show Keys
Shuvam Manna
CleanShow Keys displays typed keys on every website in a page overlay when its toolbar toggle is enabled.
SpeedVitals
SpeedVitals
CleanRun Web Vitals and TTFB performance tests for websites from the browser.
Super CSS Inject
Nelson Rodrigues
CleanInjects external CSS stylesheets into web pages by URL.
Swagger Preview
easonLee
CleanPreviews OpenAPI YAML and JSON documents with Swagger UI in the browser.
Tenderly Dev Toolkit
Tenderly
CleanTenderly Dev Toolkit sends URL-detected Ethereum transaction hashes to Tenderly's public transaction API.
Tideways Profiler
Tideways GmbH
CleanTriggers collection of PHP application traces for servers connected to Tideways Profiler.
Useful Forks
jeremi.grenier.berthiaume
CleanAdds a button on GitHub repositories to find useful forks with an online scanning tool.
VidNinjas — YouTube Analytics & AI Creator Tools
cloud-admin
CleanVidNinjas sends user-selected YouTube transcripts and video metadata to AI chat sites for its remix feature.