1. React Developer Tools
Inspect React component trees, props and state.
Why it replaces DevTools Pro: Covers similar ground in the Developer Tools category: Inspect React component trees, props and state.
DevTools Pro 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.
Format JSON, Render HTML, JWE/RSA/AES/Bcrypt Crypto Tools — all in one sleek developer toolkit.
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| DevTools Pro (original) | — | — | Free | Format JSON, Render HTML, JWE/RSA/AES/Bcrypt Crypto Tools — all in one sleek developer toolkit. |
| React Developer Tools | 3.9 | 5M+ | Free | React developers debugging component state and render performance. |
| JSON Formatter | 4.3 | 2M+ | Free | Anyone poking at REST APIs directly in the browser. |
| Redux DevTools | 4.6 | 1M+ | Free | Redux DevTools for debugging application's state changes. |
| Vue.js devtools | 4.1 | 1M+ | Free | DevTools browser extension for Vue.js |
| 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. |
| 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. |
| Wappalyzer | 4.6 | 3M+ | Freemium | Developers, agencies and sales teams researching what a site is built with. |
| Take Webpage Screenshots Entirely - FireShot | 4.8 | 3M+ | Free | Anyone who needs fast, reliable full-page screenshots for work, support or documentation. |
| Meta Ads Data Advisor | 3.9 | 3M+ | Free | Meta Ads Data Advisor automates connecting your website and marketing data to Meta for better ad performance. No developers needed. |
Inspect React component trees, props and state.
Why it replaces DevTools Pro: Covers similar ground in the Developer Tools category: Inspect React component trees, props and state.
Makes raw JSON responses readable in the browser.
Why it replaces DevTools Pro: Covers similar ground in the Developer Tools category: Makes raw JSON responses readable in the browser.
Redux DevTools for debugging application's state changes.
Why it replaces DevTools Pro: Covers similar ground in the Developer Tools category: Redux DevTools for debugging application's state changes.
DevTools browser extension for Vue.js
Why it replaces DevTools Pro: Covers similar ground in the Developer Tools category: DevTools browser extension for Vue.js
A collection of tools to help you design and develop websites with precision.
Why it replaces DevTools Pro: Covers similar ground in the Developer Tools category: A collection of tools to help you design and develop websites with precision.
Productivity tools for ServiceNow, offered by SN Utils B.V. Not affiliated with ServiceNow, Inc.
Why it replaces DevTools Pro: Covers similar ground in the Developer Tools category: Productivity tools for ServiceNow, offered by SN Utils B.V. Not affiliated with ServiceNow, Inc.
The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.
Why it replaces DevTools Pro: Another popular Developer Tools extension: The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.
Identifies the technology stack behind any website.
Why it replaces DevTools Pro: Another popular Developer Tools extension: Identifies the technology stack behind any website.
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 DevTools Pro: 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.
Meta Ads Data Advisor automates connecting your website and marketing data to Meta for better ad performance. No developers needed.
Why it replaces DevTools Pro: Another popular Developer Tools extension: Meta Ads Data Advisor automates connecting your website and marketing data to Meta for better ad performance. No developers needed.
Direct comparisons with the extensions people weigh against it.
React Developer Tools is the closest match. Covers similar ground in the Developer Tools category: Inspect React component trees, props and state.
Yes — React Developer Tools, JSON Formatter, Redux DevTools are free.