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Free download 2021 best free DVD ripping software for macOS and rip DVDs on Mac freely as per the detailed steps here.

Cisdem Video Converter (Editor’s Choice) Compatibility: macOS 11.0 Big Sur, 10.15 Catalina, 10.14.

As everyone has a phone, we no longer rely on a TV to watch DVDs. That's why many DVD owners jump onto the bandwagon to digitize their DVD library. More than that, by ripping DVD to Mac computer hard drive, users can:

• Jack the Ripper for Mac OS v.1.0 Can you clear the name of the reporter Bert, suspected of being Jack the Ripper? It is London during the summer of 1888. It is London during the summer of 1888. On the hunt for spicy stories, the reporter Bert goes on the trail of Jack the Ripper, the famous serial killer that is.
• John the Ripper is accessible for several different platforms which empower you to utilize a similar cracker everywhere. John the Ripper Pro includes support for Windows NTLM (MD4-based) and Mac OS X 10.4+ salted SHA-1 hashes. Also Read: Online Password Bruteforce Attack With THC-Hydra Tool -Tutorial. Extracting hashes From Linux.

• Free up some room in your house because your DVD collection is cumbersome.
• Copy DVD to hard drive or NAS to organize & achieve movie library by genre, year.
• Avoid any scratch, fingerprint or damage to the original discs with a DVD backup on computer.
• Free DVDs from region codes to freely play any DVDs bought or received from other areas.
• Convert disc to digital format to watch them on Macbook, iMac, iPhone, iPad, Apple TV, Plus, or other media server anywhere, without even dropping a disc in the drive, downloading a MPEG2 decoder, taking along the whole discs, or repurchasing the movie contents from iTunes Store.

To live without a disc drive in your Mac computer & mobiles, the free Mac DVD ripping tools will get it all solved.

Get the Best DVD Ripper for Mac to Copy & Convert any DVD

Free download MacX DVD Ripper to rip any DVDs on Mac freely!

• Rip any DVD on Mac to MP4, MKV, MOV, H.264, HEVC, ISO, etc. or convert DVD for Mac, Hard drive, TV, mobiles.
• (Unique!) Powerful ability to rip protected DVDs, new DVDs, 99-title DVDs, damaged DVDs, etc.
• (Hardware acceleration) Only 5 mins for a full DVD ripping on Mac with original quality

[3 Clicks] How to Rip a DVD on Mac

Step 1: Insert DVD

Free download the DVD ripper on your Mac and insert your disc. Run the software and click 'Add DVD' button to load the disc. MacX DVD Ripper will easily find the accurate main title.

Free download the DVD ripper on Mac >>
Free download the DVD ripper on Windows >>

Step 2: Choose the output format

For better compatibility, quality and smaller file size, rip DVD to MP4 H.264. With no further tweaking, it achieves an H.264 file with crisp picture. You can also backup DVD to ISO image, MKV, MPG or convert DVD to Apple, Android, TVs, Web, more.

Step 3: Start protected DVD converting

For DVDs with tough protections, MacXDVD's unique title check mechanism and DVD analysis algorithm automatically scan the title, crack severely protected DVDs and smooth the ripping process. It also cuts the commercials and merge the useful parts via its editing features.

Free DVD Rippers for Mac

• Part 1: Criteria for the Best DVD Ripper for Mac
• Part 2: Top 3 Free DVD Rippers for Mac in 2021
• Part 3: Specs Comparison
• Part 4: FAQ

Is There a Mac Built-in App to Digitize DVD? No. The DVD ripping process on Mac doesn't go as simple as burning, which achieved with Mac's built-in app like Finder or iDVD. While the former is still out of reach with Mac unless you own a third-party DVD converter software.

This is because almost all DVD movies or TV shows bought or rented are technically copyrighted and DVD rips will inevitably involve in breaking DVD copy protections, e.g. the Content Scramble System. Such action is currently unlawful in the US and UK. Apple is of course unwilling to set against law or money in consideration of continuous cooperation with U.S. studios for iTunes movies. Therefore, there is no built-in method to rip DVD to Mac. This makes it a sense to download a third-party DVD ripper for Mac instead.

Part 1: Criteria for the Best DVD Ripper for Mac

There are plenty of free DVD copying and ripping software for Mac, which claims to rip any DVDs to any formats, say DVD to MP4, MOV, MPEG, H.264, etc. But most often, you endure a whole day trying to troubleshoot errors like constant crashes, choppy output, no valid source found, etc. What makes a good free Mac DVD ripping software?

macOS Compatibility : The latest macOS Big Sur weeds out 32-bit apps, causing many non-Apple apps incl. DVD rippers hang at launch. Unfortunately, many free DVD rippers doesn't get updated timely. So make sure you download a 64-bit DVD ripper for Mac Big Sur.

Fast Speed: Some DVD converters rely on CPU while some others can accelerate the speed twice or more with GPU's concurrent computing. If you have hundreds of DVDs to be digitized, choose the one with GPU acceleration.

High Quality: DVD transcoding involves in codec compression that leads to quality degradation inevitably. Good rippers manage to create high-quality movie file with almost imperceptible loss of quality (preferably the bitrate is around 1500kbps), by virtue of advanced video transcoding kernel.

Ease to Use: Great tools will feature intuitive interface, with features are clearly marked and locally placed, leaving little room for guesswork. Preferably, Mac users can go DVD to digital process within 3 clicks, regardless of the computer skills.

DVD decrypting ability: To prevent any illegal redistribution of commercial discs, DVD studios adopt copy protection schemes. When facing with these mechanisms, many free DVD rippers failn with different DVD rippping errors. You need to download a really powerful DVD decrypter.

In addition, ordinary DVD converters will go wrong with the recent movies. You may see errors like dirty title, subtitle track issue, repeated ripping, halfway encoding, unwatchable rips, and more. It will be even trickier to backup DVDs with particular non-UDF and ISO9600 formats such as workout disc beachbody. They are deliberately placed with bad information to hide the true titles. As a result, almost 99% of DVD rippers for Mac will fail. Below are some of the typical errors.

Click to see the complete DVD ripping errors and fixes >>

So the abilities to defeate encryption codes, recognize the tricky DVD formats, access all commercial DVDs, and rip DVDs to MP4 or other formats are the success factor for the best DVD ripping software for Mac.

Part 2: Top 3 Free DVD Rippers for Mac in 2021

Based on the criteria above, we sought out 3 from an overwhelming number of Mac DVD ripping software. They are MacX DVD Ripper, HandBrake and MakeMKV, respectively. Check them one by one below.

No.1 - MacX DVD Ripper

MacX DVD Ripper is a professional DVD copier and converter designed for Mac (incl. macOS Big Sur) and Windows (7/8/10). With unique DVD analysis kernel, the program deals with most commercial titles with encryption schemes that deliberately hamper the ripping, incl. CSS, Region Code, RCE, ARccOS, Disney X-Project DRM, etc. Besides, all DVD formats are supported, including UDF, intractable non-UDF, and ISO9600, so whether it is a new movie title, workout disc, or the DVD unplayable or damaged, MacXDVD will cope with it calmly.

Engineered for Apple ecosystem, it can freely convert DVDs to Mac-specific formats like MOV, M4V, H.264 that are compatible with QuickTime, iPhone, iPad, iTunes, Apple TV, and digitize DVD to MP4 format your SSD, NAS or USB accepts for a better DVD storage. You can also transcode DVD to other mainstream formats like HEVC, MKV, AVI, ISO, or convert a movie to format playable on your iPhone, iPad, Huawei, Samsung, TV, PS4, and more. Besides, a full range of basic editing features like cut, crop, merge, subtitle, etc are offered to cater to your DVD movie customization needs.

MacXDVD supports unique level-3 hardware acceleration, hyper-threading and multi-core CPU techs. When it starts transcoding DVDs, computer hardware, together multiple cores, is fully utilized to execute DVD decoding, processing and encoding task simultaneously and multiple threads are enabled to run on each core. This dramatically shortens the DVD ripping process, while unburdening CPU greatly. High-quality engine and De-interlacing engine are available for you to check, purpose built to produce remarkably high quality.

Free download the DVD ripper on Mac >>
Free download the DVD ripper on Windows >>

No.2 - HandBrake

Handbrake is an open-source DVD ripper for Mac, Windows and Linux, which can freely convert DVD to MP4 and MKV, with support for iPhone, iPods, PSPs, Apple TVs, PS3s. Handbrake rips DVD that is homemade/unprotected only. It cannot rip commercial DVDs unless you rely on third party tool like VLC or DVD decrypter, not to mention the Disney newer protections. MacX would be the HandBrake alternative to solve this problem.

The version Handbrake V1.0.7 adds support for HEVC encoding. This means that you can re-encode DVD into HEVC to store more movies on Mac's hard drive and newer iPhones or iPads. You shall understand the DVD to HEVC converting process takes a longer time as HEVC entails high computational demands. The good news is Handbrake still performs ultrafast DVD conversion speed if your Macbook or iMac is equipped with a video card like Intel's Kaby Lake processor series. Now in the latest version 1.2.0, Handbrake adds support for AMD and NVidia GPU acceleration for H.264/HEVC encoding like what MacX DVD Ripper Pro does.

[Tutorial] How to Use HandBrake

Handbrake works with Mac OS X 10.7 to 10.14. Make sure your Mac has enough space to store the program (around 12.41MB). You can go to its official site to download and install the freeware.

Step 1: Insert DVD disc into Mac's DVD drive and run Handbrake. Click the Source button to load the DVD. It takes a few seconds to scan the disc. To rip protected DVD on Mac, libdvdcss is required to remove the CSS.

Step 2: Click 'Browse' to set where you want to save the output files.

Step 3: Click 'Presets' and select an output format. Here are MP4 (M4V) or MKV, and mobiles like iPhone, iPod, Apple TV, Android, Windows Phone.

Step 4: Now click 'RUN' to rip DVD for free on Mac now.

Having problems with Handbrake, check the full solutions to Handbrake DVD ripping errors on macOS:
* Handbrake cannot rip DVD with 99 titles? Fix it here
* Handbrake libdvdcss error on macOS Sierra? Check the solution

No.3 - MakeMKV

If you're seeking for a tool that rips protected DVDs & Blu rays and preserves all video/audio tracks and subtitles with meta-information, there is no better tools than MakeMKV, an easy free DVD/Blu ray ripper for Mac. As its name suggests, this program aids Mac users to free rip DVD to MKV format only. Since MakeMKV works rather a format converter than a transcoder, it remuxes the movie content from one format MPEG2 to MKV without affecting too much quality, so the whole DVD to MKV converting process is pretty fast with excellent quality. In this regard, MakeMKV is your premium choice if you just want to backup and store your movie contents on your hard drive, NAS or USB.

Since there is little compression in the DVD to MKV ripping process, the output file size is tremendous, almost the same as the original DVD disc. This is not good especially when you want to import the DVD movie into your iPhone or iPad - Just 3 full-length movies will eat up your 16GB iDevice space. So you'd better compress the movie into a size-friendly file with a video transcoder. MakeMKV is available as a free DVD ripping tool. For free Blu-ray disc digitization, you can try its beta version that stops functioning after 60 days.

[Tutorial] How to Use MakeMKV

Free download MakeMKV on Mac. The tool is completely free to rip a DVD disc to Mac during the beta-testing phase, and after that, if you want to decrypt Blu-Ray disc, you will need to pay $50.

Step 1: Open the software and insert the disk. It accepts both DVD and Blu-Ray discs. Then click 'Open Disc' to load in the information.

Step 2: MakeMKV will scan and identify the titles correctly and pop up a list of disk chapters. Choose the chapter, normally the longest and biggest title.

Step 3: Select a folder on Mac to save the output MKV files and click 'Make MKV'. It shows a fast DVD to digital processing speed on Mac, with an average of 30 minutes to rip Blu-ray disc. The output MKV keeps high video and audio quality, but MKV file is enormous (6.73GB MKV file for the 7.84GB DVD in our test).

Part 3: Performance Comparison among the 3 Free Rippers

To better understand the performance of the top 3 Mac DVD ripper freeware, below is a table and detailed comparison in ripping speed, output quality and supported encryptions.

Note: This test is based on our hands-on test on 27' iMac (incl. Big Sur) with 3.2 GHz Intel Core i5, 8GB 1867 MHzDDR3 and AMD Radeon R9 M380 2048MB. You shall also have to note that the DVD encoding speed is greatly dependant on your computer configuration. Higher config will lead to great performance. And make sure to spare some space to save the final rip. The DVD used here is a 7.84Gb movie named Transformers 2, distributed by DreamWorks Pictures, one of the studios that use intractable protection scheme on discs.

1. Comparison on DVD Ripping Speed

According to the company, it applies level-3 hardward acceleration tech, which intelligently offloads the DVD decoding, processing and encoding to GPU, in cooperation with the hyper-threading technology. That is, GPU is fully utilized to rip DVD with full speed, and CPU is spared for multi tasks without affecting the ripping.

The DVD ripping is impressive on a iMac 5K (3.2 GHz Intel Core i5, AMD Radeon R9 M380, 2048MB, on Big Sur). MacX's DVD conversion frequency reached averagely 240 fps, twice as high as that of Handbrake. It took 12 minutes to convert the full-length Transformers 2 DVD to MP4, while we could still view web pages or do other tasks since the CPU usage remains as low as 131-134%.

Handbrake auto enables Intel QSV HW acceleration for DVD and video processing tasks and switches to pass 2 for better encoding. But the time it took to make a digital MP4 copy of DVD is less than satisfactory, generally 25 min lagging behind MacX. The CPU usage went up to 397%. We are happy to find MakeMKV converted DVD to MKV on Mac pretty fast, completing within 4 minutes only, with read rate reaching up to 45.7 M/s.

2. Quality and File Size of the Output Rip, Who Wins?

MakeMKV works as a format converter that just repackages the movie content from DVD MPEG2 to MKV. The output quality isn't affected at all. Higher saturation of color can be noticed on the rips, with dark darker and white whiter. But the file size is tremendously large - 6.73Gb that is almost the same as the original. You can also resort to MacX DVD Ripper's backup feature to clone DVD to ISO/MKV/MPEG2 with no loss of quality.

Both MacX and Handbrake involved in DVD video compression, which cut file size down but inevitably led to quality loss. What matters most is whether they manage to maintain a good balance between the size and quality. MacX created an .mp4 file with 720x480 (16:9) in 1.61GB from the 7.84GB DVD and Handbrake outputted the MP4 content in 1.87GB in fast 1080p30 encoding. There is no noticeable change between the the source and ripped file. Quality is slightly inferior to MakeMKV. So if you care about quality, MakeMKV is your ultimate choice. But if you emphasis on both sides, choose MacX and Handbrake, which run neck and neck.

3. Which Ripper Supports the Widest Encryptions?

From the developer, MacX supports wide range of DVD protections, from CSS, region code, UOPs, APS to Sony ARccOS, Disney Fake. If this is true, it will sideline Handbrake that requires third-party tool to bypass certain restrictions, or MakeMKV that supports AACS and BD+ only, and other DVD ripper Mac freeware.

In the test, Handbrake popped up 'No Valid Source Found' error and quitted unexpectedly when scanning the new titles like Divergent and MakeMKV produced many problematic rips. MacX chose the right title. Its unique title check mechanism is proven to be very useful with these intractable DVDs. The movies tested include Toy Story (Disney), Wall-E (Pixar), Star Trek (Paramount), Life of Brian (Sony), and newer releases (Venom, Incredibles 2, Avengers: Infinity War). We do not encourage you to decrypt commercial DVDs on Mac or PC for any illegal use and it's not allowed to legally copy commercial DVDs or Blu-ray discs in some countries.

Specs Comparison Among the Top Three Free DVD Rippers for Mac

The 3 Mac DVD rippers are equally matched. What matter most is whether the program fits your bill. For a quality-loss DVD ripping, MakeMKV is second to none. But if you have hundreds of discs and want to have your entire DVD library backed up onto hard drive at fast speed without exhausting your storage space, MacX DVD ripper and Handbrake are your good options. While if the last thing you want is to end up with errors just because the new title comes with tricky protection scheme or the DVD is formatted unnaturally, the ultimate choice is to download MacX DVD Ripper, which not only features great DVD decryption ability, but also comes with unique level-3 hardware acceleration tech that can speed up the whole process and maintain good balance between quality and size.

To backup and digitize DVD for safekeeping or on-the-go watching - Try MacX DVD Ripper [Fast & High Quality]!

Part 4: FAQ about DVD Copying and Ripping

Q1. How Can I Hardcode Subtitles on DVD Movies?

Subtitles are helpful to understand a foreign language, inaudible dialog or narrative comprehension. But getting subtitles on DVD is a bit tougher, let along hardcoding them. You can add subtitles to DVD rips with programs like Handbrake, MacX DVD Ripper or so. For example, MacXDVD gives a lot of subtitle options, including choose and place subtitle track in preferred position, disable or hardcode it with forced subtitles, and even add external srt to the movie.

Q2. Can Free DVD Rippers Deal with Latest DVDs?

It depends. Typically, DVDs from major film studios like Disney, Sony, Warner Bros., 20th Century Fox, Paramount, Universal, etc. often impose strong protections on their DVDs. For those DVDs, most DVD rippers (including many which claim to support copy protections) will go awry like DVD won't load, all titles are invalid/corrupted or have the same run time, output video is several MB only... This year, the problematic DVD titles include Venom, Incredibles 2, Avengers: Infinity War, Ralph Breaks the Internet, Black Panther, and some other new releases. To copy these DVDs, you'd better resort to some strong tools. (Before you do so, make sure it's allowed by your law.)

Q3. Should Mac Users Rip DVD to MP4 or MOV?

* MP4 - When digitizing DVD with these free DVD rippers for Mac, many users are at a loss whether to choose MP4 or MOV. Both MP4 and MOV use lossy video compression to sacrifice minimal quality for file size. MP4 is popular for streaming over the internet and playable on Mac, Windows and almost all media players, say VLC, 5KPlayer, QT, etc. But P-frames or B-frames in MP4 makes it difficult to edit.

* MOV - As MOV is originally developed by Apple for its QuickTime player, it's much friendlier in Apple ecosystem. MOV contains one or more tracks, meant to store each type of data including audio, video, subtitle, etc in a hierarchical structure, which is good for editing. So for Mac computers, to convert DVD to digital MOV for Mac QuickTime is more preferred than MP4.

Q4. What Is the Best Format to Back up DVD to Hard Drive?

When the modern computer hard drive, external flash drive, HDD, SSD and NAS drive can hold as large as 60TB storage, there's no need to store DVD collections anywhere else. After users copy DVDs to Mac's hard drive, they can also stream them on TV using Plex, Roku, PC or transfer to phones or tablets. To rip DVD to Mac hard drive, it depends:

• To view your DVD on players, phones, tablets, TVs, or so, choose digital format MP4 H.264 for the widest compatibility.
• To play your DVD on newer iPhones iPads running on iOS 11/12, choose digital format MP4 HEVC for higher quality and smaller space.
• To save an original copy with menus and extras, copy DVD to ISO image. The disc image contains the whole data of the disc at 1:1 ratio for later burning but ha s less compatibility with media players and devices.
• For homemade discs, just copy and paste the VIDEO_TS folder to save DVD onto hard drive. For commercial discs, you will need a specific ripper to deal with the copy protections.

Q5. Is it Prossible to Rip Scratched DVD on Mac?

DVDs are too fragile, that's why we need to backup the DVD collection. If your discs are already damaged or scratched, there are measures to remedy.

• For a bit of stretches on the surface, polish the surface with cotton balls and abrasive white toothpaste or Brasso plolish. You need to polish across the grain and do not in circular direction. This need patience.
• For deep scratches and serve damages, you can take the damaged disk to a local DVD store with a polishing machine or other places like Phoenix to resurface the badly scuffed disc. This will cost for a couple of dollars. Or if the standalone DVD player with error-recovery scheme can ignore the errors and play the DVD, you can capture the movie with a DV. But this will lost the selectable audio, subtitles streams and original menus.

Note: if the program refuses to rip a well-conditioned DVD with an error stating that there is a bad sector, it's because the DVD is protected by a copy protection scheme from Sony named ARccOS. The system deliberately mixes corrupted sectors with the correct one to mislead DVD copying software.

Q6. Does My 32-bit DVD Player App Still Work on macOS Big Sur?

Yes, the 32-bit DVD player is not totally over in macOS 10.15 Big Sur. Yet, what you need to notice is that the earilier version Big Sur is officially the last OS to support 32-bit apps on your iMac or Macbook. And recently macOS Big Sur comes with new 64-bit DVD player and DVD ripper to support DVD playback or ripping on latest macOS. You're suggested to apply its 64-bit version if there is something wrong with your 32-bit app.

Q7. How about Vudu Disc to Digital Serivce? Is Online Tool a Good Option to Digitize DVD?

Vudu is another way that you can convert DVDs into digital files. With the 'In-Home Disc to Digital' service, you can effortlessly gain digital copies of your DVDs for a low price: $2 for DVD to a standard-definition digital copy and $5 for a high-definition 'HDX' copy. But there are concerns:

• It's ridiculous paying twice for a movie, especially when the $5 HDX is close to $8 for a new Blu-ray version on Amazon, which even includes a digital copy.
• Vudu only allows to digitize up to 100 dics a year.
• Vudu supports DVDs from 7 Hollywood studios only. Exercise DVDs, TV shows DVDs and more are exclused from Vudu.
• The streaming buffering and playback limits are another factor to consider.

In consideration of these problems, you'd rather use DVD ripper software than online services.

Q8. Is It Legal to Rip DVDs that You Own?

Many users who want to space-shift or format-shirt their legally purchased DVD or Blu-ray discs often concern about the legality of DVD ripping. The fact is, currently it is considered as illegal to convert copyrighted DVDs in US, even if you legally own the discs. Some other countries have already made it legal. In practice, as the DVD conversion happens locally on your computer, you won't get sued or caught if you don't distribute the digital copies. However, you're highly suggested to obey to the law where you live. Check if it's legal to rip copy protected DVDs in your country.

Jack The Ripper Software Mac

Q9. Are There any Other Free DVD Rippers for Mac?

1. Mac The Ripper: MTS has been regarded as the oldest DVD copy software for Mac so far. The last free version of MacTheRipper is V2.6.6 that can work with Mac OS X Snow Leopard or lower. It breaks protection and rips DVD content for free on Mac, but doesn't encode video files to other formats. It only digitize the DVD menu to hard drive in VOB file. So a third party tool is required to convert VOB to MP4, AVI or others.

2. FFmpeg: It is considered more as an open-source command-line utility for Linux based on popular libraries such as libavformat and libavcodec. FFmpeg stands for Fast Forward MPEG and now it can be complied under Mac and other OS. This tool is complicated to operate and not friendly to newbies. But if you are more experienced and spend hours on the disc ripping tasks, FFmpeg comes to our top free dvd converter for Mac list and is really worthy of your persistence.

3. Any Video Converter: It handles almost all video formats, including DVDs. Reviewed as 'ridiculously easy to use', this tool can easily and freely rip DVD into the right format in its long list of options including MP4, AVI, WMV, MOV, etc thanks to its intuitive GUI. However, AVC sometimes gets glitches and only make a backup of part of the full-length movie, e.g. It only finishes 40 mins of a 2 hrs DVD movie copy. This is probably because you are ripping a DVD with complicated protection measure. So its pro version is needed to ensure a smooth DVD digitizing on Mac.

4. DVDFab HD Decrypter- Although discontinued in 2014, it's still the favorite when dealing with many old DVDs that refuse to be copied with other free DVD rippers, owning to its aculeate DVD decrypting ability. It offers options to freely copy full disc with all menus, trailer, extras, etc or just extract the actual movie from DVD onto Mac's hard drive, cracking many known DVD protections, like AACS, CSS, RC, UOPS, etc. There are some minor drawbacks, e.g. heavy processing power and CPU resources are consumed during the ripping process. Plus, it only copies protected DVD in VOB rather than MP4 MOV or other formats.

External Sources: DVD movies are almost all encoded in MPEG-2 format defined by Motion Pictures Expert Group. Generally, the content is interlaced for display on ordinary TV sets. Resolution of DVD is either 720x480 pixels at 29.97 frames per second from America's NTSC television system or 720x576 pixels at 25 frames per second from Europe's PAL.

Note: The software developer calls for copying or ripping DVD on Mac and Windows under the concept of Fair Use and does not encourage any illegal reproduction or distribution of copyrighted content. Please abide by the local DVD copyright law before doing it.

John the Ripper (JtR) is one of the hacking tools the Varonis IR Team used in the first Live Cyber Attack demo, and one of the most popular password cracking programs out there. In this blog post, we are going to dive into John the Ripper, show you how it works, and explain why it’s important.

Notes about hacking: Hacking is a pursuit of knowledge about systems, design, and humans. In this case, we are talking about software and operating systems.

Get the Free Pen Testing Active Directory Environments EBook

Hacking is not necessarily criminal, although it can be a tool used for bad intentions. We advocate for ethical hacking. Stay in the light side of the Force.

How Does John the Ripper Work?

JtR supports several common encryption technologies out-of-the-box for UNIX and Windows-based systems. (ed. Mac is UNIX based). JtR autodetects the encryption on the hashed data and compares it against a large plain-text file that contains popular passwords, hashing each password, and then stopping it when it finds a match. Simple.

In our amazing Live Cyber Attack demo, the Varonis IR team demonstrates how to steal a hashed password, use JtR to find the true password, and use it to log into an administrative account. That is a very common use case for JtR!

JtR also includes its own wordlists of common passwords for 20+ languages. These wordlists provide JtR with thousands of possible passwords from which it can generate the corresponding hash values to make a high-value guess of the target password. Since most people choose easy-to-remember passwords, JtR is often very effective even with its out-of-the-box wordlists of passwords.

JtR is included in the pentesting versions of Kali Linux.

What is John the Ripper Used for?

JtR is primarily a password cracker used during pentesting exercises that can help IT staff spot weak passwords and poor password policies.

Here is the list of encryption technologies found in JtR:

• UNIX crypt(3)
• Traditional DES-based
• “bigcrypt”
• BSDI extended DES-based
• FreeBSD MD5-based (linux and Cisco IOS)
• OpenBSD Blowfish-based
• Kerberos/AFS
• Windows LM (DES-based)
• DES-based tripcodes
• SHA-crypt hashes (newer versions of Fedora and Ubuntu)
• SHA-crypt and SUNMD5 hashes (Solaris)

That’s the “official” list. JtR is open-source, so if your encryption of choice isn’t on the list do some digging. Someone might have already written an extension for it.

How to Download John the Ripper

JtR is an open-source project, so you can either download and compile the source on your own, download the executable binaries, or find it as part of a penetration testing package.

The official website for John the Ripper is on Openwall. You can grab the source code and binaries there, and you can join the GitHub to contribute to the project.

JtR is available on Kali Linux as part of their password cracking metapackages.

Tutorials for Using John the Ripper

We are going to go over several of the basic commands that you need to know to start using John the Ripper. To get started all you need is a file that contains a hash value to decrypt.

If you ever need to see a list of commands in JtR, run this command:

Jack The Ripper Mac

Cracking Passwords

John the Ripper’s primary modes to crack passwords are single crack mode, wordlist mode, and incremental. The single crack mode is the fastest and best mode if you have a full password file to crack. Wordlist mode compares the hash to a known list of potential password matches. Incremental mode is the most powerful and possibly won’t complete. This is your classic brute force mode that tries every possible character combination until you have a possible result.

The easiest way to try cracking a password is to let JtR go through a series of common cracking modes. This command below tells JtR to try “simple” mode, then the default wordlists containing likely passwords, and then “incremental” mode.

You can also download different wordlists from the Internet, and you can create your own new wordlists for JtR to use with the –wordlist parameter.

If you want to specify a cracking mode use the exact parameter for the mode.

Word Mangling Rules

Mangling is a preprocessor in JtR that optimizes the wordlist to make the cracking process faster. Use the –rules parameter to set the mangling rules.

Viewing Your Output

When you want to see the list of passwords that you have cracked, use the –show parameter.

Jack The Ripper Windows

If your cracked password list is long, you can filter the list with additional parameters. You can also redirect the output using basic redirection in your shell. For example, if you want to see if you cracked any root users (UID=0) use the –users parameter.

Jack The Ripper Software Mac Download

Or if you want to show users from privileged groups use –groups.

Below is the JtR command from our Live Cyber Attack Webinar. In this scenario, our hacker used kerberoast to steal a Kerberos ticket granting ticket(TGT) containing the hash to be cracked, which was saved in a file called ticket.txt. In our case, the wordlist used is the classic rockyou password file from Kali Linux, and the command was set to report progress every 3 seconds.

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If you want to see some cool pentesting and defense tactics using Varonis, check out the Live Cyber Attack Webinars! Pick any time that works for you!