Modify HTTP(s) Request & Response Headers
Add, Delete, Override Request & Response Headers. Can be used to remove X-Frame-Options, Content-Security-Policy, CORS Issues, etc.
900+ Reviews
150,000+ Happy UsersApplication and use cases
Here's how you can use Requestly's Modify Headers feature in your daily workflow...
Add, Remove and Override HTTP Headers
You can add, override and even remove headers from the URL provided. Modify headers like Authorization, Access-Control-Allow-Origin, etc.
Modify based on URL
Configure the criteria of URL on which the rules applies. Options like if the URL contains, equals or matches regex.
Auto suggest header names
Request will suggest header names to ease your journey.
Pair Multiple Rules
Add multiple conditions in a rule to match any preferred use case.
Testimonials
Andrew Thompson
#Requestly #Debug & #Modify #network requests - loved by 100K+ #webdevs If you are a #webdeveloper, Requestly is for you. You can set up #URL #redirects, #rewrites, run custom JS, modify headers, etc. https://requestly.in/?ref=producthunt #requestly #producthunt
Zane
Fun fact: if you modify Chrome headers with something like requestly like so, and load this URL, you can access the iOS 4 App Store in Chrome 🤷
Mike Mitchell
To my developer and QA people: Check out Requestly, a chrome extension that lets you setup redirects, modify headers, switch hosts, insert user scripts and much more! https://requestly.io via @requestlyIO
Matt Stow
Requestly is, without a doubt, one of the must have extensions for web developers. I never knew how much I needed to modify network requests on the file until I could http://requestly.io
Requestly on Web
Modify Headers in HTTP(s) Requests and Responses
The ability to modify headers is a great tool for developers. It empowers them with great debugging capabilities.
View articlePrevent browser downloading images
When a web server sends an unknown MimeType to browsers, browsers automatically download the files as they are unable to understand how to parse and render the response
View articleOpen a website in an iframe
Often companies add a header to their website so that the browser will refuse to open the page within an i-frame. But using Requestly, you can implement a work-around.
View articleCan I run HTML files directly from GitHub, instead of just viewing their source?
View articleMore Awesome Features
Requestly packs many more awesome features to debug network requests.
Redirect URLs (Map Remote)
Redirect a request URL (or matching pattern) to another URL.
Block Network Requests
Block requests, websites by specifying keywords or entire URL
Modify HTTP(s) Request & Response Headers
Add, Delete, Override Request & Response Headers.
Modify Response
Test edge cases in your app by simulating API responses
Cross Device Testing
Check how your site looks on multiple devices, browsers, dimensions etc
Insert Custom Scripts
Allows you to automate, scrape & change webpage's behaviour with little knowledge of JS & CSS.
Modify Query Params
Insert, Modify or Delete query parameters for URLs (or matching pattern)
Delay Request Rule
Delay requests by specifying keywords or entire URL
Mock Server
Edit Content-Type, Status Code, and Body of the Response on our Server.
Session Recording
Allows you to record activity on a webpage and capture details like console logs and network requests stitched together.
Frequently Asked Questions
Get to know Requestly
Become a 10x developer by using Requestly in your development & testing workflows.