NOTE: There is a new version of this extension called Tamper DEV - install at https://tamper.dev. Tamper Chrome will continue to work but its suggested you move to tamper.dev for a better experience. To use it, refresh the website and look at the developer tools (left-click -> inspect element). Tamper Chrome will appear in a new tab. See the tutorial here: https://github.com/google/tamperchrome/blob/master/README.md Tamper Chrome allows you to monitor requests sent by your browser and the responses. You can also modify requests as they go out, and to a limited extent modify the responses (headers, css, javascript or XMLHttpRequest responseText). See what websites are sending in the background, modify submissions, switch out scripts, alter AJAX responses, Tamper Chrome puts the power of your browser back in your hands. Tamper Chrome will prompt you to install its companion application when you first run it. If you need help go to: https://groups.google.com/forum/#!forum/tamper-chrome-help
You can Follow the below Step By Step procedure to install the Tamper Chrome (extension) Chrome Extension to your Chrome Web browser.
It is the Tamper Chrome (extension) Chrome extension download link you can download and install Chrome Browser.
Encoding/Decoding Plugin for various types of encoding like base64, rot13 or unix timestamp conversion
Modify HTTP request headers, response headers, and redirect URLs
Intercept and edit HTTP/HTTPS requests and responses as they happen without the need of a proxy.
Provides support to override API/HTML/* response using simple Find & Replace steps. No external app installation required
Log, edit and send HTTP requests
Capture requests from any website and send them to Postman Client.
The easiest way to Redirect URLs, Modify HTTP Headers, Mock APIs, Inject custom JS, Modify GraphQL Requests
Intercept Requests and add custom rules to modify request/response headers, block/redirect requests, modify query params.
Add, modify or remove a header for any request on desired domains.
A browser extension for Penetration Testing