Intercept and edit HTTP/HTTPS requests and responses as they happen without the need of a proxy.

Latest Version

Version
2.0.9
Update
January 9, 2021
Size
532KiB
Developer
tamper.dev
Category
Users
30,000+
Rating
3.86207 ★
Manifest Version
2
Web Store Status
Languages Support
English (United States)
See more
Permissions
Debugger
ActiveTab
See more

Tamper Dev Extension

If you are a developer, you can use Tamper Dev to debug your websites, or if you are a pentester, you can use it to search for security vulnerabilities by inspecting the HTTP traffic from your browser.

Unlike most other extensions, Tamper Dev allows you to intercept, inspect and modify the requests before they are sent to the server, and before they are sent back to the browser interactively, and without any additional installed software.


How to use?
1. Press [ Alt ⌥ ] + [ T ] or click on the extension button
2. Filter the requests you are interested in
3. Enable interception, and trigger a new request
4. Modify all requests before they are sent to the server
5. Modify the responses before they are sent back to the browser


Need Help?
There is an FAQ at https://tamper.dev/ and you can visit https://github.com/google/tamperchrome/discussions for asking questions directly to the developers.


Want to contribute?
Tamper Dev is Free and Open Source Software. Visit https://github.com/google/tamperchrome to learn how you can contribute.


About Tamper Dev:
This is the new version of the extension previously called Tamper Chrome, but now supports multiple browsers, and does not require an auxiliary app. This extension provides functionality similar to Burp Proxy, MITM Proxy, OWASP ZAP, Tamper Data, and Postman Proxy Interceptor, but without the need of additional software, with full support of HTTPS connections, and trivial to set-up (just install).
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 2, "name": "Tamper Dev", "version": "2.0.9", "description": "Intercept and edit HTTP/HTTPS requests and responses as they happen without the need of a proxy.", "icons": { "16": "icons/white.png", "48": "icons/96x96.png", "128": "icons/256x256.png" }, "browser_action": { "default_title": "Tamper Dev", "default_icon": { "16": "icons/white.png", "48": "icons/white.png", "128": "icons/256x256.png" } }, "background": { "page": "background/background.html", "persistent": true }, "commands": { "_execute_browser_action": { "suggested_key": { "default": "Alt+T" }, "description": "Open tamper dev for the current tab" } }, "minimum_chrome_version": "87", "permissions": [ "debugger", "activeTab" ], "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'"}
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User reviews

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Rodolphe Breton (ID: 0000002b4e9afa18) Voted 5 ★ - Updated 07/06/2023 It simply works. Perfect tool.

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SG Apps (ID: 0000006f7b577aff) Voted 5 ★ - Updated 07/01/2023 This extension is really helpful when you don't know to use something like Burp Suite!

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zhihan peng (ID: 000000a02468c596) Voted 5 ★ - Updated 05/31/2023 very useful tool

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KNIGHT RIDERS BD GAMING (ID: 000000691416186c) Voted 5 ★ - Updated 02/07/2023 Very Good Extension

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Jarek Gołębiowski (ID: 000000a70372c828) Voted 4 ★ - Updated 11/09/2022 You can change POST payload with this, nice! Like in old Tamper Data. Not sure how filter work, if I enter there URL it disappears, but main function works. I have also seen "...probably because of enterprise policies." but just ignored it.