JavaScript debugger for JS error monitoring and tracking

JavaSript debugger online - to help you track errors, and get actionable insights to resolve Javascript issues. Squash Javascript bugs and boost performance.

14 days free trial. No credit card required.

Zipy JavaScript debugger for JS error monitoring and tracking - JavaScript

Get started in a minute

Add the following to the <head> tag of your website, before other code:
<script src="" crossorigin="anonymous"></script><script> window.zipy && window.zipy.init('YOUR_PROJECT_SDK_KEY');</script>
Read our SDK documentation to ensure you have the latest instructions for installing Zipy. Get started quickly with our Javascript debugger.
1. Install the ‘zipy’ module via NPM:
npm i --save zipy
2. Import ‘zipy’ and call ‘zipy.init’ as following:
import zipy from ‘zipy’;
Read our SDK documentation to ensure you have the latest instructions for installing Zipy. Get started in minutes.
Zipy error monitoring - javascript


The best javascript debugger for error monitoring

Awaken the Javascript detective in you. Monitor frontend, network, and API failures with this Javascript debugger online and error tracking tool. Deliver a great user experience.

Learn More


Javascript debugger online with stack trace

Monitor javascript errors and get to their root cause instantly with features like stack trace, console logs and network request response details, in our Javascript debugger.

Learn More

Zipy stack trace - javascript
Zipy api performance - javascript


Supercharge your Javascript app performance

Stay ahead in monitoring your Javascript application's performance with our cutting-edge Javascript performance monitoring and diagnostic platform. Detect API hiccups or latency issues, and seamlessly improve your application's speed for enhanced user experience and satisfaction.

Learn More

“As a unified platform for user session replay, frontend & network monitoring, Zipy offers an efficient solution for all my debugging needs. It is an indispensable tool for any developer.

Patryk Pijanowski, Co-Founder

Codejet  - Zipy's Happy Customer
Patryk Pijanowski - Zipy's Happy Customer

"Also, we had a call with a customer yesterday end user's message was "it's broken". In Zipy, found the session, found the error, fixed the error. Five minutes total time from reporting to resolution. Zipy is amazing."

Eddy Martinez, CEO

Read this twice  - Zipy's Happy Customer
Vahe Hovhannisyan  - Zipy's Happy Customer

Zipy has changed my life in ways I can’t tell you! Between 2 projects, I have found bugs that would have taken developers years of debugging.

Timothy Connolly, Co-founder & CTO

Directnorth  - Zipy's Happy Customer
Timothy Connolly  - Zipy's Happy Customer

“We look at user sessions on Zipy on a daily basis. We understand what's going wrong in terms of technical issues and you fix those practically before the customer even reports it to you.”

Anjali Arya, Product & Analytics

SuprSend  - Zipy's Happy Customer
Read Case Study

“You realize how good a product is when you have been using it for a while and then discover that this use case is not even what the creators had in mind, but your tool has much more.”

Tomás Charles, Co-founder & CEO

Tomás Charles  - Zipy's Happy Customer

“We integrated Zipy early on and it's now part of our daily scrums - my team has a constant eye on Production bugs. Zipy improves our Productivity significantly.”

Manish Mishra, Co-founder & CTO

Pazcare  - Zipy's Happy Customer
Manish Mishra  - Zipy's Happy Customer

“Zipy is clearly providing a very differentiated solution. Observability is going to be the key to understanding customer issues proactively and it impacts business outcomes directly.”

Jyoti Bansal, Co-founder

Appdynamics  - Zipy's Happy Customer
Jyoti Bansal  - Zipy's Happy Customer

“I believe that you have a unicorn, and I don’t say it lightly. I can see how my team lights up with confidence having Zipy help them. Please count on my support in any way.”

Laz Fuentes, Founder & CEO

SQOR  - Zipy's Happy Customer
Laz Fuentes  - Zipy's Happy Customer

“5 Stars. In no time, Zipy has become our go-to place for watching user journeys, and fix the most important bugs or workflows that our users are experiencing.”

Sandeep Rangdal, Senior Staff Engineer

mindtickle  - Zipy's Happy Customer
Sandeep Rangdal  - Zipy's Happy Customer

“Zipy has been a 2-in-1 solution for us. Signed up solely for error debugging, but the session playback was so smooth that we also ended up ditching a well-known session recording tool.”

Vahe Hovhannisyan, Founder

Read this twice  - Zipy's Happy Customer
Vahe Hovhannisyan  - Zipy's Happy Customer

“We use Zipy as a UX Performance & Debugging Tool. Every time there is a feature release, the testers use it to find issues. We really enjoy working with Zipy, they're very responsive & proactive.

Vineet Jawa, Founder  - Zipy's Happy Customer
Vineet Jawa  - Zipy's Happy Customer


Replay errors, instead of recreating them

Using Zipy error session recordings, quickly unveil the underlying reason for Javascript errors or user experience issues, capturing comprehensive context from DOM events, console logs, and network calls. Zipy is a Javascript debugger online that helps monitor, align errors with user behavior.

Learn More

Zipy session replay - javascript
Zipy user environment - javascript


See the whole story, no secrets

Capture user environment and usage specifics to precisely replicate Javascript bugs, encompassing browser, OS version, geography, and over 20 custom user identification parameters tailored for your app and users. Stay proactive with our Javscript debugger.

Learn More


Custom error logging with the magic of Zipy logs

Apart from capturing your regular console logs, Zipy also enables you to log custom JS exceptions, messages, and errors, facilitating personalized Javascript debugging and error monitoring tailored to your app's needs. With this javascript debugger you can conveniently filter error sessions based on these custom logs.

Learn More

Zipy custom logs - javascript

Works seamlessly with your stack

Zipy for ReactJSZipy for Vue.jsZipy for AngularZipy for Next.jsZipy for JqueryZipy for EmberZipy for JavaScriptZipy for AndroidZipy for ios

Frequently Asked Questions

If you have any more questions, feel free to reach out to us at

What is debugger in javascript?

JavaScript debugger tracks and highlights any error in your JS code. It even provides advanced developer tools to fix these issues. Some JavaScript debugger also come with AI assistance, to make error resolution all the more easy and fast. Most web browsers come with built-in JavaScript debugger, however for advanced tools and faster issue resolution developers tend to prefer online debugging tools, like Zipy.

How to use javascript debugger?

If you are using Zipy as your javascript debugger, all you have to do is insert Zipy’s SDK on your web app. Zipy will then start capturing JavaScript errors and alert you as well. You can come back to Zipy and debug them using our advanced dev tools like, stack trace, and console and network logs. You can even capture custom logs and resolve issues using AI assistance.

How do I monitor and fix JavaScript errors?

For you to monitor Javascript errors in your browser, you can open the browser devtools and check the console tab to see the errors logged there. But in case you want to monitor errors for your end-users in their environment, you can do that using a JavaScript debugger like Zipy. Once you install Zipy SDK in your Javascript app, the platform starts to capture all the JS errors and exceptions during the user interactions with the apps. Then these Javascript errors are categorized by their type in the Zipy dashboard. You can check user sessions for each error, and also access the stack traces of these JS errors and fix them using Zipy's AI Resolve feature.

How to check performance of JavaScript code?

One effective approach to check the performance of Javascript code is to employ browser developer tools. These tools furnish insights into execution times and bottlenecks. Additionally, for advanced JavaScript Performance Monitoring, keep an eye out for tools like Zipy, the best JavaScript debugger online used to monitor Javascript app performance across real users data. Zipy's performance diagnostic tool enables you to unveil API latencies and proactively address issues for seamless performance.

What are the three errors shown in JavaScript?

Syntax errors, runtime errors, and logical errors are the three main types of errors that can occur while compiling a JavaScript program. You can catch them all proactively with a platform like Zipy, your JavaScript debugger online. You can use Zipy to access the stack trace of the code which allows you to figure out the exact problem in the code, and fix them using the AI Resolve feature.

Empower your JavaScript app with Zipy

Zipy, online javascript debugger, provides you with full customer visibility without multiple back and forths between Customers, Customer Support and your Engineering teams.

The unified digital experience platform to drive growth with Product Analytics, Error Tracking, and Session Replay in one.

SOC 2 Type 2
Zipy is GDPR and SOC2 Type II Compliant
© 2023 Zipy Inc. | All rights reserved
by folks just like you