Best apps like DevTools Extension

16+ similar apps compared and reviewed

4.3 avg rating
9 free apps
Updated September 2026

Looking for something like DevTools Extension? We've analyzed 16+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to DevTools Extension

Userscripts#1

Userscripts by Justin Wasack

User Script and Style Manager
4.3😊(181 ratings)
Free
#28in Developer Tools
Userscripts screenshot 1
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Userscripts screenshot 5

This open-source Safari extension allows you to run custom JavaScript and CSS code on any website. Enhance your browsing experience with personalized styling, automatic redirects, and ad-blocking.

What We Love

  • πŸš€ Works well to inject CSS on iPad in Safari
  • πŸ‘ Best thing since sliced bread
  • πŸ’‘ Allows you to do thousands of things that were previously desktop only
  • πŸ”’ Very stable and works flawlessly with Safari
  • πŸ‘ Excellent Safari extension
  • πŸ‘ Unpredictable when it applies scripts, but still useful
  • πŸ‘ Allows you to fix accessibility issues on various sites
  • πŸ‘ Allows you to customize your web experience
  • πŸ‘ Works with TamperMonkey scripts
  • πŸ‘ Powerful way to improve and extend websites
  • πŸ‘ Intuitive and simple Userscripts Manager
  • πŸ‘ Elegant and easy to use
  • πŸ‘ Solid, easy-to-use extension
  • πŸ‘ Must-have extension for Safari
  • πŸ‘ Simple, clean, does what it needs to

Room to Improve

  • πŸ› Satisfactory to an extent, stops working sometimes
  • πŸ› Broke until reinstall
  • πŸ› Slowed my Safari down to a crawl
  • πŸ› Unpredictable when it applies scripts, but still useful
  • πŸ› It's been way too unpredictable for a while now
  • πŸ› Good for the first ever use, then from the second use it is broken
  • πŸ› Shows a distracting notification dot
  • πŸ› Doesn't work most of the time
  • πŸ› Doesn't work anymore
Web Inspector#2

Web Inspector by And a Dinosaur

Developer Console for Safari
3.9😐(152 ratings)
Free
#50in Developer Tools
Web Inspector screenshot 1
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This app provides a suite of web development tools for Safari on mobile devices. Inspect and edit the DOM, view element styles, execute JavaScript commands, monitor network requests, and examine stored resources like cookies.

What We Love

  • πŸš€ Efficient web inspector
  • πŸ‘ Useful debugging tools
  • πŸ” Helpful for web development
  • πŸ’‘ Brings desktop-like functionality to mobile

Room to Improve

  • πŸ› Crashes and bugs
  • πŸ” Limited functionality compared to desktop tools
  • πŸ” Inconsistent performance
  • πŸ” Difficult to use or navigate

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