Software Alternatives, Accelerators & Startups
Register | Login

Top 9 Developer Tools in Web Browsers

The best Developer Tools within the Web Browsers category - based on our collection of reviews & verified products.

Polypane Dark Reader Playwright Sizzy Stylus - User Styles Manager Tampermonkey Mozilla Firefox Stylebot JSON Placeholder

Product categories

Automated Testing Browser Extensions Browser Testing Dark Mode Developer Tools Development Monitoring Tools Online Services Tool Web Browsers Web Development Tools Website Testing

Summary

The top products on this list are Polypane, Dark Reader, and Playwright. All products here are categorized as: We recommend LibHunt for [discovery and comparisons of open-source projects](https://www.libhunt.com/). Applications for accessing and browsing the internet. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. Polypane Landing Page
    Polypane Landing Page
    1

    Polypane

    The browser for ambitious web developers that want to 5× their quality and efficiency.
    Pricing:
    • Paid
    • Free Trial
    • $9.0 / Monthly (Individual user)

    #Website Testing #Web Development Tools #Website Design 39 social mentions

  2. Dark Reader Landing Page
    Dark Reader Landing Page
    2

    Dark Reader

    Reduce eye strain in your browser with this extension that provides a dark theme for browsing.
    Pricing:
    • Open Source

    #Dark Mode #Browsing Experience #Developer Tools 192 social mentions

  3. Playwright Landing Page
    Playwright Landing Page
    3

    Playwright

    Playwright is automation software for Chromium, Firefox, Webkit using the Node.js library having a single API in place.
    Pricing:
    • Open Source

    #Software Development #Automated Testing #Browser Testing 293 social mentions

  4. Sizzy Landing Page
    Sizzy Landing Page
    4

    Sizzy

    The browser for designers and developers
    Pricing:
    • Paid
    • $7.0 / Monthly

    #Automated Testing #Website Testing #Browser Testing 19 social mentions

  5. Stylus - User Styles Manager Landing Page
    Stylus - User Styles Manager Landing Page
    5

    Stylus - User Styles Manager

    Stylus is a userstyles editor and manager based on the source code of Stylish version 1.5.2.
    Pricing:
    • Open Source

    #Monitoring Tools #Dark Mode #Developer Tools 48 social mentions

  6. Tampermonkey Landing Page
    Tampermonkey Landing Page
    6

    Tampermonkey

    Greasemonkey compatible script manager.

    #Dark Mode #Developer Tools #Tool 135 social mentions

  7. Mozilla Firefox Landing Page
    Mozilla Firefox Landing Page
    7

    Mozilla Firefox

    Get the browsers that put your privacy first — and always have

    #Web Development Tools #Customisable Web Browser #Security & Privacy 2 user reviews

  8. Stylebot Landing Page
    Stylebot Landing Page
    8

    Stylebot

    Change the appearance of websites instantly. Preview and install styles created by other users on stylebot.me
    Pricing:
    • Open Source

    #Monitoring Tools #Dark Mode #Developer Tools 14 social mentions

  9. JSON Placeholder Landing Page
    JSON Placeholder Landing Page
    9

    JSON Placeholder

    JSON Placeholder is a modern platform that provides you online REST API, which you can instantly use whenever you need any fake data.

    #API Tools #Online Services #Development 167 social mentions

Recent Developer Tools Posts

Web Browsers (Feb 20)

saashub.com // 7 months ago

Web Development Tools (Dec 26)

saashub.com // 9 months ago

Best Tor Browser Alternative for Risk-Free Web Surfing

geeksforgeeks.org // over 1 year ago

The 7 best web browsers in 2025

zapier.com // about 1 year ago

Brave Alternative - 8 Privacy-Focused and Reliable Options

mspoweruser.com // about 1 year ago

Multilogin Chrome Browser Alternative: Review In 2024

gologin.com // over 1 year ago

Related categories

🌐 Browser Extensions 📂 Dark Mode 🌐 Browser Testing 💻 Development 🛠️ Tool

Recently added products

DataStax Constellation Modal Convergence Lion Accountability Browser The Viewport Sizer Tab Reloader Superposition Page Refresh vim-anywhere Opera Reborn
If you want to make changes on any of the products, you can go to its page and click on the "Suggest Changes" link. Alternatively, if you are working on one of these products, it's best to verify it and make the changes directly through the management page. Thanks!
Loading...