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Zip Password

Tool to recover the password of a secure Zip file (AES/ZipCrypto) using brute force methods on data to crack.

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Zip Password -

Tag(s) : Informatics

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Zip Password

Zip Password Finder













Answers to Questions (FAQ)

What is a zip password? (Definition)

A Zip file password is a secret string of characters used to encrypt and protect access to a compressed file in Zip format. It allows you to restrict access to the contents of the file by locking it with a password.

Using a zip password can be useful for protecting sensitive data, confidential files or private information.

How to protect a Zip file with a password?

To password protect a .ZIP file, the user must set a password when creating the Zip archive (procedure dependent on the compression software).

To open a password protected Zip file, the user will then have to enter the correct password when trying to extract/dezip/unzip the contents of the archive, without it it will not be possible to access files (however it may be possible to read file names).

How to find the password of a Zip file?

The only way to recover a Zip password is to test them all.

Select the Zip file on your device and click Find.

How to speed up password search?

The search is a time-consuming job (usually several hours), it is recommended to limit the search according to the size of the password, and the characters used.

Example: A 3-character password containing only lowercase letters requires 17576 attempts, while it will require 238328 attempts (13 times more) if it consists of uppercase, lowercase and digits.

dCode uses the resources of your browser and your device, the more powerful it is, the faster the calculations will be.

NB: This Zip cracker is a free and online tool, there are applications (sometimes paid) to install on your computer/phone which will not be limited by the browser and therefore probably much more efficient and faster.

How does Zip password cracker work?

The tool creates the list of possible passwords based on the selected characters and the assumed length of the password and attempts to extract a file from the zip archive.

dCode uses the work of @gildas-lormeau here (BSD-3 License)

What are the best practices for creating a secure Zip password?

Choosing a secure Zip password means using at least 15 to 20 characters, mixing uppercase and lowercase letters, numbers and special characters.

Such a combination guarantees a brute-force computing time of several years, even with the best supercomputers.

Source code

dCode retains ownership of the "Zip Password" source code. Except explicit open source licence (indicated Creative Commons / free), the "Zip Password" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the "Zip Password" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for "Zip Password" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
Reminder : dCode is free to use.

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Cite as source (bibliography):
Zip Password on dCode.fr [online website], retrieved on 2024-06-15, https://www.dcode.fr/zip-password

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NB: for encrypted messages, test our automatic cipher identifier!

Questions / Comments

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