Requestly 21.11.16 CRX for Chrome

Requestly CRX for Chrome is a free Developer Tools extension. This extension is developed and published by requestly.io. Find, Download, and Install the latest and old CRX versions from here.

About Requestly

Intercept & Modify HTTP(s) Requests – Modify Headers, Mock APIs, Throttle APIs, Insert Scripts, Block APIs/JS/CSS, Redirect URLs etc

🚀 Most Popular tool to Intercept, Modify & Debug network requests. Used by over 100,000 web developers in 500+ organisations 😍

🔥 🔥 Modify Headers – Request and Response Headers 🔥 🔥
👉 Modify HTTP(s) Request & Response headers (Extremely helpful for web developers for debugging applications)
👉 Can be used to handle CORS Issues in your application
👉 Add / Remove / Modify Content-Security-Policy, X-Frame Options, X-Forwarded-For, Authorization, Access-Control-Allow-Origin, etc
👉 Conditional URL targeting for header modifications
👉 Collaborate with other users by sharing the modification rules in single click
👉 Works with Selenium – [https://www.npmjs.com/package/@requestly/selenium](https://www.npmjs.com/package/@requestly/selenium)
👉 [https://requestly.io/features/modify-request-response-headers](https://requestly.io/features/modify-request-response-headers)

⏰ ⏰ Delay Network Requests – API Requests, JS, CSS etc ⏰ ⏰
👉 Supports delay in both XHR & fetch based API requests
👉 Delay API requests to test the loading experience of your app
👉 Test different race conditions in your applications, you can delay a script by some milliseconds
👉 Test behaviour of your app when one or more APIs respond slow (API Latency has gone up)
👉 [https://requestly.io/blog/2021/07/02/adding-delay-to-network-requests](https://requestly.io/blog/2021/07/02/adding-delay-to-network-requests)

🔀 🔀 Redirect URLs, Change Host, Modify Query Params 🔀 🔀
👉 Modify the url of ongoing request and change the url to something else.
👉 Use development/Staging APIs in production websites & test your latest changes before deployment to production
👉 Load locally running JavaScripts or CSS in production websites by setting up redirects.
👉 Create URL shortcuts
👉 Switching Hosts (All requests for xyz.com should go to abc.com)
👉 Stay away from time killing sites. Setup rules like when URL contains facebook.com, then redirect to microlessons.xyz and learn something new.
👉 [https://requestly.io/features/redirect-url](https://requestly.io/features/redirect-url)

⭐ ⭐ User Scripts – like TamperMonkey or GreaseMonkey Scripts ⭐ ⭐
👊🏼 Userscripts are simple javascript, css code that can change the layout of a page, add or remove new functionality and content, or automate actions.
👊🏼 Support your script with popular libraries like jQuery and underscore.
👊🏼 Use File Hosting service to upload long scripts and get a URL to be used in your websites or Requestly rules
👊🏼 [https://requestly.io/features/insert-custom-scripts](https://requestly.io/features/insert-custom-scripts)

🙃 🙃 Mock API Response – XHR & Fetch Requests 🙃 🙃
✍🏼 Define Custom Response for your APIs requested by XHR or fetch
✍🏼 Code handler to modify the API response

🚫 🚫 Block requests or Websites by matching keywords or URL criteria 🚫 🚫
👊🏼 Stay Focused by blocking distracting or harmful sites
👊🏼 Block Adult Content
👊🏼 Block URLs matching a particular pattern – Could be Ads, Tracking pixels, Images etc

⭐ ⭐ Additional Features ⭐ ⭐
👊🏼 Deactivate the extension when you don’t need it.
👊🏼 Enable/Disable the rules with just single click
👊🏼 Export and import the rules and maintain a backup for your rules
👊🏼 Easy collaboration with others. Share Rules with other Users in one click
👊🏼 Browser Sync is enabled so you create/change your rules in one browser and the changes will automatically be reflected in another.
👊🏼 Manage your rules in different groups/folders
👊🏼 Marketplace with pre-created usecases like Enable CORS, Block Social Media etc – [https://app.requestly.io/marketplace](https://app.requestly.io/marketplace)

🦸🦸 References 🦸🦸
🔗 Website ➡️ https://www.requestly.io
🔗 Docs ➡️ https://docs.requestly.io
🔗 Support ➡️ https://github.com/requestly/customer-support/issues
🔗 Discussions ➡️ https://github.com/requestly/customer-support/discussions
🔗 Desktop App ➡️ https://requestly.io/desktop/