1. React Developer Tools
Inspect React component trees, props and state.
Why it replaces Backbone Debugger: Covers similar ground in the Developer Tools category: Inspect React component trees, props and state.
Best Backbone Debugger Alternatives in 2026
Backbone Debugger is a strong option, but it is not the right fit for everyone. Below are 10 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
About Backbone Debugger
Developer Tools extension for debugging Backbone.js applications.
Free
Full reviewComparison at a glance
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| Backbone Debugger (original) | — | — | Free | Developer Tools extension for debugging Backbone.js applications. |
| React Developer Tools | 3.9 | 5M+ | Free | React developers debugging component state and render performance. |
| Wappalyzer | 4.6 | 3M+ | Freemium | Developers, agencies and sales teams researching what a site is built with. |
| JSON Formatter | 4.3 | 2M+ | Free | Anyone poking at REST APIs directly in the browser. |
| Web Developer | 4.5 | 1M+ | Free | Web developers who want quick access to common debugging tools without opening DevTools. |
| Google Analytics Debugger | 4.2 | 600K+ | Free | Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript. |
| Designer Tools | 4.6 | 100K+ | Freemium | A collection of tools to help you design and develop websites with precision. |
| SN Utils - Tools for ServiceNow | 4.9 | 100K+ | Freemium | Productivity tools for ServiceNow, offered by SN Utils B.V. Not affiliated with ServiceNow, Inc. |
| Adobe Experience Platform Debugger | 2.9 | 80K+ | Free | Debug Adobe Experience Platform and Adobe Experience Cloud products using the Adobe Experience Platform Debugger |
| Tag Assistant | 3.9 | 3M+ | Free | The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager. |
| Take Webpage Screenshots Entirely - FireShot | 4.8 | 3M+ | Free | Anyone who needs fast, reliable full-page screenshots for work, support or documentation. |
Backbone Debugger alternatives in detail
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2. Wappalyzer
Identifies the technology stack behind any website.
Why it replaces Backbone Debugger: Covers similar ground in the Developer Tools category: Identifies the technology stack behind any website.
3. JSON Formatter
Makes raw JSON responses readable in the browser.
Why it replaces Backbone Debugger: Covers similar ground in the Developer Tools category: Makes raw JSON responses readable in the browser.
4. Web Developer
Adds a toolbar button with various web developer tools.
Why it replaces Backbone Debugger: Covers similar ground in the Developer Tools category: Adds a toolbar button with various web developer tools.
5. Google Analytics Debugger
Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript.
Why it replaces Backbone Debugger: Covers similar ground in the Developer Tools category: Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript.
6. Designer Tools
A collection of tools to help you design and develop websites with precision.
Why it replaces Backbone Debugger: Covers similar ground in the Developer Tools category: A collection of tools to help you design and develop websites with precision.
7. SN Utils - Tools for ServiceNow
Productivity tools for ServiceNow, offered by SN Utils B.V. Not affiliated with ServiceNow, Inc.
Why it replaces Backbone Debugger: Covers similar ground in the Developer Tools category: Productivity tools for ServiceNow, offered by SN Utils B.V. Not affiliated with ServiceNow, Inc.
8. Adobe Experience Platform Debugger
Debug Adobe Experience Platform and Adobe Experience Cloud products using the Adobe Experience Platform Debugger
Why it replaces Backbone Debugger: Covers similar ground in the Developer Tools category: Debug Adobe Experience Platform and Adobe Experience Cloud products using the Adobe Experience Platform Debugger
9. Tag Assistant
The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.
Why it replaces Backbone Debugger: Another popular Developer Tools extension: The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.
10. Take Webpage Screenshots Entirely - FireShot
Take FULL webpage screenshots. Capture, edit and save them to PDF/JPEG/GIF/PNG, upload, print, send to OneNote, clipboard or email.
Why it replaces Backbone Debugger: Another popular Developer Tools extension: Take FULL webpage screenshots. Capture, edit and save them to PDF/JPEG/GIF/PNG, upload, print, send to OneNote, clipboard or email.
Compare Backbone Debugger head-to-head
Direct comparisons with the extensions people weigh against it.
Wappalyzer vs JSON FormatterStack detection for recon work against readable API responses in the browser.React Developer Tools vs WappalyzerBoth are developer tools extensions people shortlist together — see how ratings, install base, pricing and day-to-day use differ.React Developer Tools vs JSON FormatterBoth are developer tools extensions people shortlist together — see how ratings, install base, pricing and day-to-day use differ.All comparisonsThe full compare hub, grouped by category.
Explore further
Frequently asked questions
What is the best alternative to Backbone Debugger?
React Developer Tools is the closest match. Covers similar ground in the Developer Tools category: Inspect React component trees, props and state.
Is there a free alternative to Backbone Debugger?
Yes — React Developer Tools, JSON Formatter, Web Developer are free.