Life & fun · alternatives · 2026

24 alternatives to ModResponse – Mock, modify, and replay HTTP response

ModResponse is a Chrome extension that enables users to mock, modify, and replay HTTP responses. It allows developers to intercept and alter network responses during testing and debugging workflows. The tool is… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ModResponse – Mock, modify, and replay HTTP response launched in 2022; newer entries below may have overtaken it.

1. 1
   Replyke▲346

   APIs for user content, social graphs, and moderation tools

   2025 · sublay.io · its alternatives →

2. 2
   Mocke▲519

   Mock email campaigns: know your reply rate without launching

   2025 · mocke.co · its alternatives →

3. 3
   Session Replays by Requestly▲518

   Debug web apps faster with record & replay

   2023 · requestly.com · its alternatives →

4. 4
   UI Replicator▲586

   Clone any website with just one click

   2024 · its alternatives →

5. 5
   Interceptor – mock AJAX requests at the browser level▲60

   Introducing Interceptor - A browser extension that mocks backend responses and how to use it.

   2018 · crypt.codemancers.com · its alternatives →

6. 6
   Respona▲332

   Boost your website’s traffic by building quality backlinks

   2022 · respona.com · its alternatives →

7. 7
   Responsinator▲64

   Designed to test responsive websites on different devices.

   2015 · its alternatives →

8. 8
   HTTP Mock – Intercept, debug and mock HTTP(S) with zero setup▲341

   Beautiful, cross-platform & open-source tools for debugging, testing and building with HTTP(S), on Windows, Linux & Mac.

   2019 · httptoolkit.tech · its alternatives →

9. 9
   Dad Reply▲404

   Auto-respond with a 👍 - Minimal effort - Maximum ambiguity

   2025 · chromewebstore.google.com · its alternatives →

10. 10
    Testimonial Chrome Extension▲375

    Collect testimonials from anywhere over the Internet

    2023 · testimonial.to · its alternatives →

11. 11
    Respo AI▲81

    AI driven browser extension for impactful responses

    2023 · respoai.com · its alternatives →

12. 12
    Responsivize▲109

    A must-have tool to develop responsive websites

    2021 · virejdasani.github.io · its alternatives →

13. 13
    ChromeREPL, Interact with Chrome from Sublime Text▲102

    A Sublime Text plugin to execute JavaScript in Google Chrome - acarabott/ChromeREPL

    2018 · github.com · its alternatives →

14. 14
    GetResponse▲58

    Send emails, create pages, and automate your marketing

    2021 · getresponse.com · its alternatives →

15. 15
    Requestly 2.0▲112

    Intercept & modify HTTP requests

    2021 · requestly.com · its alternatives →

16. 16
    Reply Ninja▲220

    Instant Inline replies in Gmail

    2019 · its alternatives →

17. 17
    Middleman▲136

    Intercept and modify and HTTP(S) request and response easily

    2024 · its alternatives →

18. 18MO
    Mockit – Open-source app to create and configure HTTP mocked endpoints▲158

    2019 · mockit.netlify.com · its alternatives →

19. 19
    httpbin(1)▲105

    HTTP request and response service

    2014 · httpbin.org · its alternatives →

20. 20
    Reqres▲131

    A hosted REST-API for testing your front-end against

    2014 · its alternatives →

21. 21
    HTTP Response API▲102

    Test how your code reacts to varying HTTP responses

    2023 · http.codes · its alternatives →

22. 22
    Mocking Bird▲70

    Auto Reply Email Generator

    2023 · chromewebstore.google.com · its alternatives →

23. 23
    RequestResponse.app▲12

    A simple tool for testing API requests (no account needed)

    2024 · requestresponse.app · its alternatives →

24. 24
    TextPie Text Expander & Canned Responses▲66

    Write once, reply forever with TextPie canned responses

    2024 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →