WebTools

Useful Tools & Utilities to make life easier.

HTTP Headers Parser

Parse HTTP Headers for any URL.

HTTP Headers Parser

HTTP Headers Parser is a useful tool that allows you to view the HTTP Headers of any URL and Parse them. Type in any URL and click on the parse button to check the headers.

Reviewing HTTP Headers

A great deal of information can be gathered in a check of the HTTP Headers from a web server. Server side software can be identified often down to the exact version running. Cookie strings, web application technologies, and other data can be gathered from the HTTP Header. This information can be used when troubleshooting or when planning an attack against the web server.

HTTP Header Check API

In addition to the web form above, we offer a second way to access the HTTP headers of any web site. Our HTTP Header API will trigger our system to get the headers and display them in a simple Text based output. Access the API using a web browser, curl, or any scripting language.

https://api.hackertarget.com/httpheaders/?q=http://www.google.com

This query will display the HTTP headers from www.google.com. Notice that if the web server sends a redirect 301 or a 302 the system will follow the redirect and display each set of HTTP Headers.

The API is simple to use and aims to be a quick reference tool. As a Free user you may perform up to 20 queries per day or you can Increase daily quote with a .

List of Common HTTP Headers

By compiling all HTTP Headers from the top 1 million websites we have generated a list of the 100 most common HTTP Response Headers. Use this reference to quickly understand the use cases for the different HTTP headers.

Note that these are the response headers, meaning those found in the response from the HTTP server after a browser makes a request.

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E-Mail Validator

Validate emails individually or in bulk.\nNeed a free email verifier or email verification tool?\n\nYou have come to the right place!\n\nVerifyEmailAddress.ORG has been the go-to source for email verification services since 2010.\n\nWe make it a point of duty to regularly improve our services in order to be the best free email checker online. Your satisfaction is our goal.\n\nUser friendliness and ease of use are our focus. We do not compromise quality and accuracy while offering you a chance to verify an email address online for free.\n\nOur regular users include email list brokers, email marketers, data centers, call centers and even lead generation groups.\n\nNeed to check your email lists to reduce your bounce rate when conducting your next email marketing campaign? We are here to help!\n\nOur easy to use free email ID tool can help verify an email address to check if an email is valid or not in an instant.\n\nGot a bulk email address list that you can\u2019t afford to check one by one?\n\nDon\u2019t worry our bulk email verifier/ checker can help you get this done with ease.\n\nSo the choice is yours, use the free single email checker above or use our reliable bulk email verification tool.\n\nReliable Email Verification\nMany people who need a reliable email verifier use our tool to check an email ID to confirm its validity. This saves them from wasting time and valuable resources to send emails to wrong addresses.\n\nWe do not compromise on accuracy and reliability so we pride ourselves on providing accurate email verification speedily.\n\nWe know email authentication is not an easy task and that there are many variables from servers and MX records, but we have simplified the process for you. Just type in the email of interest into our free email verifier and you get your result in an instant.\n\nYou can import your validated email back to your preferred marketing service like Mail Chimp, Aweber, Constant Contact, self-hosting, and hundreds more of supported platforms.\n\nThousands of email marketers now use our services because of the accurate and reliable results they get from our email validator.\n\nWant to join the list of satisfied users?\n\nGive our free email address checker a shot NOW!\n\nFAQ - Our Frequently Asked Questions\nWhat Is Email Verification And Why Do I Need It?\nEmail verification is the process of checking if an email address is valid or not.\n\nYou need email verification or validation to help avoid wasting time and resources in sending emails to invalid email addresses.

Redirect Checker

Checker whether a URL has a Redirect.\nWhat is a URL or domain name redirect and why would you want to do it?\nA redirect is a way of automatically transferring you from one webpage to another without any user interaction.\n\nRedirects are often used in social media with short links where you do not want the link to take up too much space compared to the accompanying text, for example https://t.ly/w1lT may automatically redirect you to https://www.example.com/a-very-long-page-name.\n\nWhile social media is one use case for redirects, there are many more possibilities - for example the link example.com/tv could redirect to https://www.example.com/promos/exclusive-tv-only-deal. As you can see, using a short and memorable URL can be used in offline advertising to make it easy for your customers to find a webpage and adds the benefit of being able to track how many people visit these pages to verify marketing campaign performance.\n\nWhy would you want to check redirects?\nThere are many reasons for wanting to check the redirection flow before visiting a link, some examples include:\n\nUser tracking - Often redirects do not go straight from the initial page to the final page but take many steps along the way before reaching the final destination page. They can either redirect you to another page within the same website (domain name) or to another website or domain name altogether. This chain of redirects gives the opportunity for each intermediate site to track your behavior, set cookies, etc. This is often used in affiliate marketing where links contain codes which give publishers a portion of revenue for each referral they make.\n\n\nAvoiding malware - It is possible for a redirect to take you from https://www.safe-site.com to https://www.first-evil-site.com/ to https://www.second-evil-site.com/virus. This chain of redirects gives the opportunity for each intermediate site to potentially deliver your browser harmful malware. Checking URLs for redirects before visiting them can uncover unwanted behavior.\n\nValidating redirects - Web developers often need to check for redirects when building websites or online applications. Checking for redirects can sometimes be a frustrating problem because certain types of redirects like to cache their results which can be hard to clear and ensure things are still behaving as expected.\n\nDiscovering redirect loops - Checking redirects can also be useful if you get yourself into a redirect loop. This is where page1 redirects to page2, but page2 then redirects back to page1 resulting in an endless loop of redirects.\n\nRemoving intermediate redirects - Often redirects will redirect to redirects and can be chained many times until browsers give up. Each time a page is requested, additional overhead is created and slows down the total response time. If the redirect goes to another domain name, then this will also initiate an additional DNS lookup adding even more time to the response. If you can have the first step on a long redirect chain go directly to the final destination, you can improve response times and ensure browsers don't give up before reaching the final destination.\n\nHow do you check for redirects?\nChecking the redirection steps of a URL is easy. You simply enter the initial URL or domain name into the search box at the top of the page and press the check redirects button. The tool will automatically visit the page, check if there is a redirect and what type of redirect it is and continue to the next page, repeating the process until the final page does not redirect any further.\n\nThe redirect checker tool on this page will allow you to see the full redirect process of any URL. It is considered the more verbose and technical version of the simpler URL unshortener tool which simply shows the final destination without any of the technical details.\n\nHow do you find the status code of a redirect?\nWhen requesting a webpage, the website will respond with a HTTP status code - this code indicates the redirect type.\n\nThe underlying HTTP request and response may look something like the following (shortened to include the relevant sections only):\n\nGET /about HTTP/1.1\nHost: google.com\nHTTP/1.1 301 Moved Permanently\nLocation: http://www.google.com/about\nThere are many different types of redirects but the most common are outlined below:\n\n301 Moved Permanently - This indicates that the page requested has moved permanently and will not be returning. Browsers will remember this status, and if visiting the original URL again will not send the request to the server asking for the page but will automatically make the request to the destination in which it was moved. 301 redirects are the preferred redirect type that web developers use for SEO purposes when moving a page to a new location. This tells search engines to give all the value of the old page to the new page.\n\n302 Found - This type of redirect is a little vague, as it indicates that the page requested as found but it is at another location. This type of redirect is often used in place of a temporary redirect where the initial page will likely come back in the future. This is often used when a webpage is under maintenance.\n\n307 Temporary Redirect - This redirect is very specific that the page is temporary redirected and should not have the result remembered in the browser as the original page will come back at some point.

Random Number Generator

Generate numbers randomly with constraints.\nA random number is a number chosen from a pool of limited or unlimited numbers that has no discernible pattern for prediction. The pool of numbers is almost always independent from each other. However, the pool of numbers may follow a specific distribution. For example, the height of the students in a school tends to follow a normal distribution around the median height. If the height of a student is picked at random, the picked number has a higher chance to be closer to the median height than being classified as very tall or very short. The random number generators above assume that the numbers generated are independent of each other, and will be evenly spread across the whole range of possible values.\n\nA random number generator, like the ones above, is a device that can generate one or many random numbers within a defined scope. Random number generators can be hardware based or pseudo-random number generators. Hardware based random-number generators can involve the use of a dice, a coin for flipping, or many other devices.\n\nA pseudo-random number generator is an algorithm for generating a sequence of numbers whose properties approximate the properties of sequences of random numbers. Computer based random number generators are almost always pseudo-random number generators. Yet, the numbers generated by pseudo-random number generators are not truly random. Likewise, our generators above are also pseudo-random number generators. The random numbers generated are sufficient for most applications yet they should not be used for cryptographic purposes. True random numbers are based on physical phenomena such as atmospheric noise, thermal noise, and other quantum phenomena. Methods that generate true random numbers also involve compensating for potential biases caused by the measurement process.

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