Overview
Mock or modify your HTTP requests to test, develop and demo your web application
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
Details
- Version9.5.0
- UpdatedOctober 16, 2026
- FeaturesOffers in-app purchases
- Size840KiB
- LanguagesEnglish
- DeveloperWebsite
Email
help@tweak-extension.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
tweak: mock and modify HTTP requests has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
tweak: mock and modify HTTP requests handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes