tweak: mock and modify HTTP requests icon

tweak: mock and modify HTTP requests

FeaturedEstablished publisherManifest V3 in_app
View in Chrome Web Store Data as of 15 Oct 2026

Mock or modify your HTTP requests to test, develop and demo your web application

Users
80K
0 in 30 days
Rating
4.6 / 5
−0.06 in 30 days
Ratings
239
0 in 30 days
Store rank
#2,573
#2,258 among extensions
Version
9.4.0
updated 8 Oct 2026

Users

monthly, 3 years
6,00043K80KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 80,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
30134239Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 239 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About tweak: mock and modify HTTP requests

tl;dr tweak lets you mock and modify HTTP requests without leaving the browser Mock 🆓 ﹥ Mock response data, headers, status code and delay ﹥ Match requests by their JSON or form (x-www-form-urlencoded) body ﹥ Capture requests in the background and turn them into rules ﹥ Document your rules with markdown labels and notes ﹥ Export and import rules to share them with your team Modify headers 🆓 ﹥ Add, override, append or remove request and response headers ﹥ Apply them on every tab, or only on the tab you're testing ﹥ Works on every request: pages, scripts, images and API calls ﹥ Dynamic header values with templating Redirect 🆓 ﹥ Send requests to another url, such as API calls to localhost ﹥ Replace documents such as HTML/CSS/Images Premium 💸 ﹥ Modify live server responses and request payloads ﹥ Write custom JavaScript to change requests and responses ﹥ Organize your workspace with collections ﹥ Variables and environments: switch between dev, staging and prod in one click ﹥ Create mock data with random generators ﹥ Debug requests with breakpoints and logpoints ﹥ Narrow redirects to specific request types Useful links 🔗 ﹥Getting started https://tweak-extension.com/docs/intro ﹥FAQs https://tweak-extension.com/faqs ﹥Changelog https://tweak-extension.com/changelog ﹥Support help@tweak-extension.com

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%+1−0.06
30 days0+0.0%0−0.06
6 months+20K+33.3%+8−0.08
1 year+20K+33.3%+18−0.10

Chrome Web Store search rankings

Where tweak: mock and modify HTTP requests appears when people search the store, with the 30 day change
Search phrasePosition30 days
mock#2−1
modify#3+1
request#6+3
response#15+4
changelog#33+12

Version history

45 versions recorded
9.4.08 Oct 2026
9.3.14 Oct 2026
9.2.021 Sep 2026
9.1.013 Sep 2026
9.0.01 Sep 2026
8.7.129 Aug 2026
8.7.025 Aug 2026
8.6.019 Aug 2026

Details

Category
Developer Tools
First seen
28 Jun 2020
Size
807 KB
Languages
en
Pricing
in_app
Privacy policy
tweak-extension.com
Support
tweak-extension.com
Extension ID
feahianecghpnipmhphmfgmpdodhcapi

Permissions and risk

Low riskimpact 2, likelihood 1
Permissions
storageunlimitedStoragescriptingdeclarativeNetRequestWithHostAccess
Site access
http://*/*https://*/*
Can read and change data on every website you visit.

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