1. React Developer Tools
Inspect React component trees, props and state.
Why it replaces Web Developer: Another Developer Tools extension worth comparing against Web Developer.
Best Web Developer Alternatives in 2026
Web Developer is a strong option, but it is not the right fit for everyone. Below are 7 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
About Web Developer
Web Developer adds a toolbar with tools for CSS, forms, images, cookies, JavaScript and validation. A one-stop utility for testing and debugging any website.
Comparison at a glance
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| Web Developer (original) | 4.5 | 1M+ | Free | Web developers who want quick access to common debugging tools without opening DevTools. |
| 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. |
| Take Webpage Screenshots Entirely - FireShot | 4.8 | 3M+ | Free | Anyone who needs fast, reliable full-page screenshots for work, support or documentation. |
| JSON Formatter | 4.3 | 2M+ | Free | Anyone poking at REST APIs directly in the browser. |
| Web Scraper | 4.1 | 800K+ | Freemium | Marketers and analysts pulling structured data from sites |
| User-Agent Switcher and Manager | 4.3 | 400K+ | Free | |
| Extensions Reloader | 4.4 | 10K+ | Free |
Web Developer alternatives in detail
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2. Wappalyzer
Identifies the technology stack behind any website.
Why it replaces Web Developer: Another Developer Tools extension worth comparing against Web Developer.
3. 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 Web Developer: Another Developer Tools extension worth comparing against Web Developer.
4. JSON Formatter
Makes raw JSON responses readable in the browser.
Why it replaces Web Developer: Another Developer Tools extension worth comparing against Web Developer.
5. Web Scraper
Point-and-click scraper that exports site data to CSV.
Why it replaces Web Developer: Another Developer Tools extension worth comparing against Web Developer.
6. User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation to deliver distinct content you may not want
Why it replaces Web Developer: Another Developer Tools extension worth comparing against Web Developer.
7. Extensions Reloader
Reload all unpacked extensions using the extension's toolbar button or by browsing to "http://reload.extensions"
Why it replaces Web Developer: Another Developer Tools extension worth comparing against Web Developer.
Compare Web Developer 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.
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Frequently asked questions
What is the best alternative to Web Developer?
React Developer Tools is the closest match. Another Developer Tools extension worth comparing against Web Developer.
Is there a free alternative to Web Developer?
Yes — React Developer Tools, Take Webpage Screenshots Entirely - FireShot, JSON Formatter are free.
Why switch away from Web Developer?
Common reasons are pricing, missing sync or team features, and specific limitations: Some features require a paid plan; Requests access to the sites you visit.