How to Open ZIP File without Password - 3 Ways

author_icon Adams Johnson time_icon Last updated: Oct 15, 2019 03:08 pm tips_icon ZIP

ZIP files are created and used to archive multiple files and create space on your computer. They are mostly password protected. It requires you to provide password associated with them for you to extract files. If you don't know the password and how to open the password protected ZIP file, just read this post. Here, we provide some workable ways on how to open ZIP file without Passwor which come in handy including both online suites and desktop utilities.

Part 1: Open ZIP without Password Using Passper for ZIP

The most effective and easy-to-use method to open a locked ZIP file is using a password unlocking tool. Among a vast number of utilities available on the internet, Passper for ZIP has set the bar high for being the most reliable and dependable utility. It is a robust program with a user-friendly interface enabling every user to unlock the encrypted ZIP file within 2 simple steps. Passper for ZIP supports all ZIP archives created using PKZIP/7-ZIP/WinZip, etc.

Free Download for Win 10/8.1/8/7/XP

The following are some other outstanding features of Passper for ZIP:

  • 4 Powerful Attack Modes: It provides 4 powerful attack mode which greatly reduce the candidate passwords and ensure the highest recovery rate.

  • Ultrafast Recovery Speed: Integrated with an advanced algorithm and NVIDIA/AMD/GPU acceleration enabling it to be fastest with recovery speed among competitors.

  • Save Recovery State. In case of any interruption, Passper for ZIP will resume later from that point of interruption.

  • Lightweight: Passper for ZIP software is less 3MB making it lightweight and powerful that cannot slow down your PC.

  • 100% Trustworthy: Passper is the sub-brand of iMyFone, which is widely recognize,macworld,,.etc.

media review

After learning the key features of this amazing ZIP password opener, now let's take a look at how it works:

To begin with, head over to Passper for ZIP official website, download, install and launch it on your computer.

Step 1: Click on "Add" icon to import the locked ZIP file to the program. Then, you need to choose the attack mode that you want to use from 4 options based on your situation. Once you have chosen the attack mode, just clicks on the "Recover" button to start password recovery.


Step 2: Passper for ZIP will then start unlocking the locked ZIP password immediately. The time it takes often depends on the length and complexity of the password. Once completed, it will display it on a pop up window. You can copy the password and use it to open your ZIP file.


Only 2 steps, you can find the forgotten password and use it to open the password protected ZIP file in a very short time.

Also, you can check the video guide of Passper for ZIP here:

Part 2: Open ZIP File without Password using Online Tools

With the proliferation of the internet, seeking for online help in case of any kind of problem has proven to be an instant remedy. Online tools are unlimited in availability. They are quick and powerful enough like some professional suites. Also, online tools offer almost the same procedure on unlocking the locked ZIP files. In this part, we will guide you how to open encrypted ZIP file with online tool. Here we will take Online ZIP Converter as an example.

Online ZIP Converter is a web-based tool which converts any archived files e.g. RAR to ZIP and unlocks the file without spending any bucks. Check on the following steps:

Step 1: Go to Online ZIP Converter using your browser.

online zip converter

Step 2: Click "Choose Files" and browse over the hard drive of your computer to upload the locked archived file.

Step 3: Lastly, click"Start conversion" and the program will automatically start converting password-protected ZIP file. Upon conversion completion, Online ZIP Converter will automatically download the converted ZIP file. You'll be able to open the ZIP file without password.

start conversion

Cons and Risks of Using Online Tools

Despite online tools exhibiting quite a good number of benefits, it as well comes with its fair share of disadvantages and risks.

The following are some of the well-analyzed cons and risks of using online tools:

  • Data Leakage. These online password recovery tools are purely based online and you are required to upload your file over the Internet to their servers, this will puts your data at risk of being leaked out and hacked.

  • Malware Attack. The use of online tools involves engaging a third-party route which is vulnerable to hackers and prone to malware attack.

  • Upload File Size Limit. Most online tools subject users to limited file size to be uploaded or even a limited number of files to be converted in a day.

  • Network Connection Needed. Online tools work only when there is a network connection; with no network connection relate to lack of operation with online tools.

Part 3: Open ZIP without Password with NSIS

This is another viable way to open ZIP without a password. NSIS which stands for Nullsoft Scriptable Install System which is a typical script-driven installer for Windows. It decrypts ZIP files by converting the file to the exclusive "exe" file. Then you download and install back the said file back to ZIP and it is unlocked. This is a tricky and cumbersome way but effective. If you want to learn more about it follow the steps below:

Step 1: Download and install NSIS on your computer. Then click on its icon to run it.

Step 2: Select"Installer based on ZIP file" from the left column of the screen.

installer based zip file

Step 3: Import the file you want to open ZIP without password. Click"Open" and navigate through the hard drive and upload the locked ZIP file onto the program.

upload zip

Step 4: Once the ZIP file is on the program, it's almost to be regenerated. First, click"Browse" and provide accessible save path for the exe file. Then click"Generate".

browse and generate

Step 5: Don't interrupt the generate process and wait for it to complete. Once completed, find the exe file on the specified save location.

Step 6: Finally, run the exe file. After installation is complete, you'll be able to extract the ZIP file which you can open without the password.

This method is very complicated especially for those tech newbie, and the recovery rate and recovery speed is much lower than using a third-party software.


Well, by the end of this article we can conclude that it is undoubtedly possible to open ZIP files without password. It's upon you to choose the right option you are familiar with. Nonetheless, we advise the use of Passper for ZIP. It is a professional tool and assures almost 100 per cent rate of success.

Free Download for Win 10/8.1/8/7/XP


By Adams Johnson to ZIP

Posted on May 21, 2019 ( Updated: Oct 15, 2019 )

Passper editor since 2015, has over 20 years’ professional technology support experience. He has contributed nearly 100 articles to the site on topics that ranger from password unlocking for MS office/Windows, Windows tips to network security.