Developer Tools extensions

Security reviews of 309 Developer Tools browser extensions, each rated on what its code does when it runs.

  1. Sneeit Spot

    Sneeit.Com

    Clean

    This extension helps manage supported Blogger or Blogspot themes and related post editor features.

  2. Vibe n8n - AI assistant for n8n

    8node Labs

    Clean

    Vibe n8n sends included workflow details to vibe-n8n.com when you ask it to improve a workflow.

  3. Virtual Json Viewer

    PS

    Clean

    This extension displays JSON with fast rendering, search, filtering, formatting, and download options.

  4. Web Helper

    Marketerhelp

    Clean

    This extension analyzes webpages to show scripts, images, colors, fonts, and links.

  5. Web Vitals

    Jose Manuel Fernández

    Low

    Web Vitals sends the active tab URL to Google Chrome UX Report when its popup loads field data.

  6. WebPageTest Recorder Extension

    Catchpoint Systems Inc

    Clean

    Exports Chrome Recorder user journeys as WebPageTest custom scripts for performance testing.

  7. Xranks

    Xranks

    Clean

    Shows website traffic and engagement metrics while you browse.

  8. API Tester - REST API Tester Client FREE

    99extensions

    Clean

    Send and inspect REST API requests directly from the browser.

  9. Accessibility View

    Dword Design

    Clean

    Shows a simplified accessibility-focused view of the current webpage.

  10. AutoReview for Power Automate

    Power DevBox

    Clean

    Reviews Power Automate flows and generates reports, diagrams, comparisons, and export files.

  11. Automize - Testing/Scraping Tool

    Automize

    Clean

    This extension helps create and replay web automation scripts for testing and scraping workflows.

  12. Bootstrap grid viewer

    Rastislav Hepner

    Low

    Bootstrap grid viewer loads Font Awesome from use.fontawesome.com when its popup opens.

  13. Bugasura

    AppAchhi

    Clean

    Bugasura captures screenshots and page URLs during active test sessions and uploads test results to api.bugasura.io.

  14. Carbon Devtools

    Carbon Design System

    Clean

    Visualizes Carbon grids, tokens, and components on live pages for design system review.

  15. Clip LeetCode

    Edgar Ong

    Clean

    Copy LeetCode problems, examples, and constraints for use in your code editor.

  16. Codeforces Custom Contests

    Avinash Devineni

    Low

    Codeforces Custom Contests accepts cross-origin messages that create Codeforces gym contests from supplied problem and invite data.

  17. Color Palette

    jimwitsenboer

    Clean

    Extracts and displays color codes from the current webpage in a popup.

  18. ColorZila

    battleagame

    Clean

    Pick colors from webpages and copy their HEX or RGB values for design and development work.

  19. Conventional Comments (GitHub) - by Pullpo

    TOPUS SOFTWARE SL

    Low

    Conventional Comments sends GitHub and GitLab pull request identity details to Pullpo by default.

  20. Copy Host

    Dheeraj Joshi

    Low

    Copy Host loads a Google Fonts stylesheet from its popup when the extension is opened.

  21. Copyable : Lovable code copy extension

    Shihab Soft

    Clean

    Copies or downloads the current Lovable Code file with one click.

  22. Detectify Recorder

    detectify-team

    Low

    Detectify Recorder sends recording auth tokens through page-visible frame messages that can write stored commands.

  23. Digital Data Viewer

    mike gieson

    Clean

    Digital Data Viewer (DDV) captures Adobe Analytics and XDM request details from the inspected tab for local display and export.

  24. Easy Sitemap Extractor

    Nik Does SEO

    Clean

    Extracts URLs from XML sitemaps and helps review site structure for SEO work.

  25. EbayGPT: ChatGPT Ebay listing optimization

    GPTDeveloper

    Low

    EbayGPT injects extension resource URLs into supported pages, making its installed extension ID visible there.

  26. Email Verifier by ZeroBounce

    chrome

    Clean

    Email Verifier by ZeroBounce sends page email addresses to ZeroBounce when you validate them.

  27. ExitKiosk

    danidoble

    Clean

    Automatically closes tabs that match user-defined keywords or links.

  28. Fasterize Status

    fasterize

    Clean

    Fasterize Status stores each tab's main-frame URL and response metadata locally to show Fasterize/CDN status.

  29. Fluid Engine Tablet Spacing Fixer

    Chris

    Clean

    This extension sets Squarespace 7.1 Fluid Engine mobile editing view to 767px wide.

  30. Form Troubleshooter

    Sam Dutton

    Clean

    Checks web forms for common coding and autocomplete issues.

  31. GTM Analyzer

    ibatta

    Clean

    Tracks and analyzes GA/GTM requests in Chrome DevTools.

  32. Hide "People Also Asked" Results

    Chris Lever SEO

    Clean

    Hides the “People Also Asked” box from Google Search results pages.

  33. hundredranks-%E2%80%93-export-top

    Altamash Mapari

    Clean

    Exports the top 100 organic Google Search results to a CSV file.

  34. JSON Hero

    JSON Hero

    Clean

    JSON Hero sends page JSON and supported metadata from the current tab to jsonhero.io.

  35. MGID Pixel Helper

    Mgid

    Clean

    This extension checks MGID pixel implementation status and shows real-time feedback.

  36. Markdown Printer

    Lev Gelfenbuim

    Clean

    This extension saves web pages as Markdown files from the toolbar or right-click menu.

  37. Meta Debugger

    bluemoehre

    Clean

    Adds a Chrome DevTools panel for inspecting webpage metadata and head elements.

  38. Meta Tags Pro - Advanced SEO, GEO & Accessibility Audit

    abhij89

    Clean

    This extension audits webpages for SEO, performance, accessibility, meta tags, links, images, and structured data.

  39. Neon work clock - newtab

    bit199801

    Low

    Neon work clock sends top-site hostnames from the new-tab page to favicongrabber.com for favicon lookup.

  40. Night XML - dark mode XML viewer

    Promotino Ltd.

    Clean

    Adds dark mode styling to XML web pages in Chrome.

  41. Ninja ASO

    Youba Amj

    Medium
  42. overfig-%E2%80%93-compare-design

    AZN Research

    Clean

    Over.fig forwards Figma overlay project data into the active web page.

  43. PX to REM

    Arthur Arakelyan

    Clean

    Converts CSS units between pixels and rem values in a browser popup.

  44. PX to VW

    Arthur Arakelyan

    Clean

    Converts CSS values between pixels and viewport width units.

  45. Perseo

    perseo.pro

    Low

    Perseo records HTTP(S) page navigation URLs and request and response headers in local extension storage.

  46. Playwright POM Generator

    TheWonderApps

    Clean

    Playwright POM Generator analyzes the active tab's URL, title, and page elements when you request POM generation.

  47. Positionable

    Andrew Plummer

    Clean

    This developer tool lets users visually reposition page elements with drag, nudge, align, and undo controls.

  48. Proxy Switch by Proxy-Hub.com

    proxy-hub.com

    Clean

    This extension manages and rotates HTTP(S) and SOCKS proxies for browsing.

  49. Random User Generator

    JARRARDXYZ

    Clean

    Generates arrays of random JSON user objects for database filling and test scripts.

  50. Refined Microsoft Learn

    merill

    Clean

    This extension makes Microsoft Learn pages cleaner by focusing the layout on the main content.

  51. SEO Checker by Sekhlo

    imubashirhassan

    Low

    SEO Checker by Sekhlo sends page and Google result domains to external SEO metric services.

  52. Screenshot Pro : Full page screenshot

    Himani Mehra

    Clean

    Captures full-page screenshots of websites and downloads them as image files.

  53. Show Keys

    Shuvam Manna

    Clean

    Show Keys displays typed keys on every website in a page overlay when its toolbar toggle is enabled.

  54. SpeedVitals

    SpeedVitals

    Clean

    Run Web Vitals and TTFB performance tests for websites from the browser.

  55. Super CSS Inject

    Nelson Rodrigues

    Clean

    Injects external CSS stylesheets into web pages by URL.

  56. Swagger Preview

    easonLee

    Clean

    Previews OpenAPI YAML and JSON documents with Swagger UI in the browser.

  57. Tenderly Dev Toolkit

    Tenderly

    Clean

    Tenderly Dev Toolkit sends URL-detected Ethereum transaction hashes to Tenderly's public transaction API.

  58. Tideways Profiler

    Tideways GmbH

    Clean

    Triggers collection of PHP application traces for servers connected to Tideways Profiler.

  59. Useful Forks

    jeremi.grenier.berthiaume

    Clean

    Adds a button on GitHub repositories to find useful forks with an online scanning tool.

  60. VidNinjas — YouTube Analytics & AI Creator Tools

    cloud-admin

    Clean

    VidNinjas sends user-selected YouTube transcripts and video metadata to AI chat sites for its remix feature.