Best Inssman: Open-Source: Modify HTTP Request Alternatives in 2026
Inssman: Open-Source: Modify HTTP Request is a strong option, but it is not the right fit for everyone. Below are 0 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
About Inssman: Open-Source: Modify HTTP Request
🧑🏻💻 Open Source Developer Tool - Github - https://github.com/vvmgev/Inssman Inssman add custom rules to modify HTTP requests and responses. It is a free developer tool that which helps developers to organize their work more fast and easy. Inssman monitors the browser network for all tabs and if finds a request which matches one of the rule will accordingly modify. ✳️ What can Inssman do?✳️ 👉 Redirect Request: ➡️ Redirect any request like HTML/CSS/JS/JSON/...etc. 👉 Block Request: ➡️ Block all type of request like GET/POST/PUT/...etc 👉 Modify Query Params: ➡️ Easily remove presenting parameters in the url or replace the existing one or adding new parameter. 👉 Modify Header: ➡️ Add/Remove/Append request and response headers. One of example is developer can fix issue like CORS by setting Content-Security-Policy, X-Frame-Options headers and all headers can by change by provide header and value. 👉 Modify Response: ➡️ This cool feature can return custom data from the network. Now is possible to return data types like HTML/CSS/JS/JSON.
Comparison at a glance
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| Inssman: Open-Source: Modify HTTP Request (original) | 3.9 | 5K+ | Free | Intercept HTTP(S) Request, Modify Headers, Log headers, Change Response, Block Request, Redirect, Custom HTML/CSS/JS/JSON |
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Frequently asked questions
What is the best alternative to Inssman: Open-Source: Modify HTTP Request?
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Is there a free alternative to Inssman: Open-Source: Modify HTTP Request?
Most options in this category are freemium, with a usable free tier for evaluation.