Tamper

Extends the Developer Tools, lets you locally edit files served from the web using Mitmproxy.

What is Tamper?

Tamper is a chrome extension that extends the Developer Tools, allowing you to locally edit files served from the web using Mitmproxy. It lets you inspect and modify requests made by Google Chrome before they are served to the browser.

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Stats

This extension was removed from Chrome Web Store on 2022-12-09

By: dutzi

Users: 2,764+

Rating: 2.95 (19)

Version: 0.24.8 (Last updated: 2020-06-12)

Creation date: 2020-06-12

Risk impact: Moderate risk impact

Risk likelihood: High risk likelihood

Manifest version: 2

Permissions:

nativeMessaging
contextMenus
proxy

Size: 171.01K

Email: th*****@dutzi.party

URLs: Website

Stats date:

Other platforms

Not available on Firefox

Not available on Edge

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Summary

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Tamper is a chrome extension that lets you inspect and modify requests made by Google Chrome before they are served to the browser.

IMPORTANT: For Tamper to run you will need to install its companion app using pip install, find out more here https://dutzi.github.io/tamper/#install.

After installing both the chrome extension and the pyhton package, you will see the Tamper panel in your devtools. Similar to the Network panel, the Tamper panel shows you a list of all requests made by this page. Click on one of these network requests and the response Chrome got will open in your default editor. Make the changes you need and save the file. Once you hit refresh, Tamper will serve Chrome the file you just saved.

Tamper is an open source project, based on mitmproxy. Fork us on Github: https://github.com/dutzi/tamper

User reviews

I run pip install tamper and get this error Collecting tamper Downloading https://files.pythonhosted.org/packages/7d/99/e86a8d78fa47721192b55e01ebf03cf4a74ab213429123e90f7079d69e25/tamper-0.24.5.tar.gz ERROR: Command errored out with exit status 1: command: /Library/Frameworks/Python.framework/Versions/3.7/bin/python3 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/tmp/pip-install-o9ock6wr/tamper/setup.py'"'"'; __file__='"'"'/private/tmp/pip-install-o9ock6wr/tamper/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base pip-egg-info cwd: /private/tmp/pip-install-o9ock6wr/tamper/ Complete output (6 lines): Traceback (most recent call last): File "<string>", line 1, in <module> File "/private/tmp/pip-install-o9ock6wr/tamper/setup.py", line 60 print '\nWriting chrome native messaging manifest file (' + manifestFilename + ')' ^ SyntaxError: invalid syntax ---------------------------------------- ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

Mohamed Salem Korayem, 2020-09-03

For anyone trying to install this, this project stopped working more than a year ago and for now we haven't seen an update. Consider this project dead.

Remty, 2020-07-28

Idea is good but execution is poor. The setup doesn't work at all, it quits with an invalid syntax error when doing the pip install tamper command.

Dorky Porky, 2019-07-03

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Safety

Risk impact

Tamper may not be safe to use and it requires some risky permissions. Exercise caution when installing this extension. Review carefully before installing.