
Postman
Insomnia REST
Hoppscotch
Bruno
Requestly
RapidAPI for Mac
soapUI
Rest API client for VS Code, lightweight Postman alternative

Google Chrome
Brave
Vivaldi
Opera
Tor Browser
Chromium
Safari
Get the browsers that put your privacy first — and always have

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | thunderclient.com | mozilla.org |
| Company | — | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Thunder Client yet.
Get the browser that protects what’s important. No shady privacy policies or back doors for advertisers. Just a lightning fast browser that doesn’t sell you out.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Thunder Client - API testing right inside VSCode
More videos
Firefox Quantum: Chrome Killer? Should You Switch Browsers?
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Thunder Client and Mozilla Firefox. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


This free, feature-rich extension integrates seamlessly with VSCode, making it ideal for developers who prefer a unified environment. Thunder Client offers collection management, environment variables, and basic...
Thunder Client is a Vscode Postman alternative that runs as a Visual Studio Code extension (not open source). Its design focuses on simple and efficient HTTP clients while constructing or connecting with APIs. Thunder...
Thunder Client is a VS Code extension focusing on being a simple and efficient HTTP client while building or integrating with APIs. It supports collections as a way to group relevant requests. Moreover, ThunderClient...
Firefox is a lightweight browser and doesn't require much space or memory, meaning it can operate smoothly even on lean machines. But it doesn't compromise on utility. It's packed with supplementary tools, like a...
Mozilla Firefox stands out as an open-source browser that prioritizes privacy and customization. As a top choice among browsers not based on Chromium, it has gained a loyal following thanks to its strong focus on user...
When comparing Thunder Client and Mozilla Firefox, you can also consider the following products.

The Collaboration Platform for API Development
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Google Chrome is a fast, secure, and free web browser, built for the modern web. Give it a try on your desktop today.
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Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.
Compare Insomnia REST to Thunder Client or Mozilla Firefox:

Fast and secure, ad and tracker blocking browser.
Compare Brave to Thunder Client or Mozilla Firefox:

Open source API development ecosystem
Compare Hoppscotch to Thunder Client or Mozilla Firefox:

Vivaldi is a free, fast web browser designed for power-users. You decide how you browse. Download Vivaldi's fully customisable browser now and browse your way.
Compare Vivaldi to Thunder Client or Mozilla Firefox: