Dev tools · alternatives · 2026

24 alternatives to Modbox

Modify HTTP headers, block & redirect requests

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Modbox launched in 2024; newer entries below may have overtaken it.

1
Extension-blocking domains removed by threat from other blacklists▲614
Chrome extension which blocks requests to sites which have used legal threats to remove themselves from other blacklists. - paulgb/BarbBlock
2017 · github.com · its alternatives →
2
ModHeader▲5
Browser extension to modify request and response headers
2019 · its alternatives →
3
chrome extension of modify http headers▲1
chrome extension,modify http headers
2023 · chromewebstore.google.com · its alternatives →
4
Requestly▲148
Debug & Modify HTTP(s) Requests - loved by 125K+ web devs
2019 · requestly.com · its alternatives →
5
QuickHeader▲3
Modify HTTP headers. Right from your toolbar.
Jul 2026 · chromewebstore.google.com · its alternatives →
6
Where Adblock+ injects 20K CSS rules, HTTPSB injects one▲221
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc. - Adblock Plus memory consumption · gorhill/httpswitchboard Wiki
2014 · github.com · its alternatives →
7
Sitemod.io Chrome Extension▲98
Modify any website in real-time, save your mod and share it.
2017 · sitemod.io · its alternatives →
8
PlugThis▲443
Create your own Chrome Extensions by chatting with AI
Jul 2026 · plugthis.ai · its alternatives →
9
Rich URL Chrome extension▲86
Copy, save and share information in a convenient format.
2019 · chromewebstore.google.com · its alternatives →
10
Requestly 2.0▲112
Intercept & modify HTTP requests
2021 · requestly.com · its alternatives →
11
Tamper Chrome▲5
Modify HTTP requests on the fly.(Not unofficially by Google)
2017 · chromewebstore.google.com · its alternatives →
12
Header Kit▲4
Request rules for headers, cookies and redirects
Jul 2026 · chromewebstore.google.com · its alternatives →
13
Alter URL▲93
Your link, your rules
2024 · alterurl.com · its alternatives →
14FO
Facebook Open Graph Redirect Chrome Extension▲84
2012 · chronline.posterous.com · its alternatives →
15
Oxy Proxy Extension for Google Chrome▲77
One-click connection between multiple IPs
2022 · oxylabs.io · its alternatives →
16
New Bitly Chrome Extension▲136
One-click shorten straight from your browser.
2016 · chromewebstore.google.com · its alternatives →
17
Open Claude in Chrome▲121
Claude in Chrome, reverse-engineered and open-source. No domain blocklist. Any Chromium browser. Same 18 MCP tools, same performance. - noemica-io/open-claude-in-chrome
Apr 2026 · github.com · its alternatives →
18
ModResponse – Mock, modify, and replay HTTP response▲16
2022 · chrome.google.com · its alternatives →
19
Chrome extension to put GitHub's header back to the way it was▲39
2017 · chrome.google.com · its alternatives →
20
Enable right click and copy on websites that disabled it▲71
2024 · chromewebstore.google.com · its alternatives →
21
Here There▲91
Quickly send content to any input field on any tab.
2016 · chromewebstore.google.com · its alternatives →
22
xSync: Chrome extension for Webflow▲98
Prevent class and variable duplication on Webflow projects
2024 · xsync.webflow.io · its alternatives →
23SE
StyleURL – Edit CSS via Chrome Devtools and turn the diff into a gist▲94
2018 · styleurl.app · its alternatives →
24
Supertweak Tailwind editor▲70
Chrome extension for visually modifying any Tailwind website
2023 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →