The Comparer tool can be used to compare two data objects with each other and notice any discrepancies between them. This can be useful, for example, if you are manually testing blind SQL injection or if you have nearly identical HTTP requests that, however, return different responses.

Start by transferring two different HTTP 

 to the Comparer tool, meaning select two different responses, then right-click and 

 Then go to the Comparer tool. In the first field, select what to compare and in the second field, select what to compare against. Finally, choose at what level you want to compare them. The options are byte-level or word-level. Let's select 

Orange color indicates if something has changed

Yellow marks if something has been added.

You can find two different responses from the following interfaces:

Find the difference between these and you will find the flag. Use the comparer tool for this.

BurpSuite Comparer - Tutorial

### What is Comparer?

The Comparer tool can be used to compare two data objects with each other and notice any discrepancies between them. This can be useful, for example, if you are manually testing blind SQL injection or if you have nearly identical HTTP requests that, however, return different responses.

![](sanity:image-a10375f48d74b8788335c08fff263028259e9148-1263x756-png)

### Using the Comparator Tool

Start by transferring two different HTTP **responses** to the Comparer tool, meaning select two different responses, then right-click and *Send to Comparer.* Then go to the Comparer tool. In the first field, select what to compare and in the second field, select what to compare against. Finally, choose at what level you want to compare them. The options are byte-level or word-level. Let's select *Words.*

![](sanity:image-246c2227da737a8af758dfc60bae69a3dd9f7414-241x166-png)

### Interpreting the Results

![](sanity:image-983510050b8a8f9b0463b20f11a588e3dcf22e37-944x432-png)

Interpreting the results.

- Orange color indicates if something has changed
- Blue indicates if something is missing
- Yellow marks if something has been added.

### Test your knowledge

@exercise 0db9620b855e


BurpSuite - Comparer

BurpSuite is the leading web application security tool that facilitates identification and exploitation of vulnerabilities in web applications using various tools.

BurpSuite is a leading web application security tool that facilitates the identification and exploitation of vulnerabilities in web applications through various attack tools.

BurpSuite - Comparer

What is Comparer?

Using the Comparator Tool

Interpreting the Results

Test your knowledge

Learn to hack — start here