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FAQs

Is tweak free?

Yes! Our free version is used by thousands of users around the world. We've launched a paid plan with additional capabilities but we did not added a single restriction on existing capabilities so that our users can continue to enjoy our product.

Do I need to add/install something in my code?

Absolutely not! No external application/library installation is required! tweak works as a standalone browser extension and you can work with it in any environment, from development to production. No code required!

Will this work in every web application?

tweak has proven to be reliable, but still we acknowledge our own limitations. Under specific conditions combined with the asynchronous nature of the way tweak communicates with your website, things might not work at first. For that we advise a page reload after pressing the play/run button to active the extension. In some cases we've observed that this might not work at all, in that case we advise you to seek an alternative.

I clicked on the file import button but nothing happened?

Make sure you're running tweak version 4.3.0 (or newer), we've fixed this behavior on that version.

Do I need to keep the DevTools open?

Nope 😎  . tweak will still work even if you have the browser DevTools closed! However, if you're using tweak for development we do recommend you to keep the DevTools opened, with the option "Disable cache" ticked so that you don't get tricked by the browser. For cases where you're doing a demo or doing a screen recording it's understandable that you would want to keep the DevTools closed.

When mocking a response it disappears from chrome DevTools network tab?

Yes! But don't worry, tweak is designed to work that way. Requests are mocked at the XHR & fetch APIs level, hence it's not reflected on the network panel. Once you mock a request it won't be surfaced in the devtools. This is a side effect of our implementation decision which hopefully allows us to have more control and add more features easily as we move forward.

Is there any detailed step by step guide where I can learn how to use tweak?

Glad you asked. We drafted a very detailed documentation page as well some awesome video content 🎥.

Does tweak support window.fetch?

Yes! tweak supports both window.fetch and XMLHttpRequest (XHR). (Spoiler Alert: it will support WebSockets too).

Does tweak work on iframes?

Yes! Once installed tweak will try to intercept requests in all frames. Notice that this might not work correctly if a given application blocks the parent frame to interact with it via JavaScript. This functionality was recently improved in our release of v4.6.0.

Is this extension safe? I'm concerned about my privacy.

tweak is as safe as they come, because we don't store any of your data. Everything is stored in your browser. The browser extension is serverless. We do however collect basic google analytics metrics to track the usage of our functionalities for performance measurement purposes. This is mentioned in the privacy policy.



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