Passkey for 4K Recorder
With the advancement of 4K broadcasting technologies from BS4K channel of NHK, CS4K channel of SKY PerfecTV and others alike, 4K recording devices are also getting popular among consumers, as they can record 4K Blu-rays from those broadcasting stations at home.
Passkey for 4K Recorder, world's very 1st 4K BDAV decrypter, can remove the encryptions from the recorded 4K Blu-ray discs (aka 4K BDAV discs), and then copy the unprotected discs to computer HDDs as ISO files, or BDAV folders.
Passkey for 4K Recorder, world's very 1st 4K BDAV decrypter, can remove the encryptions from the recorded 4K Blu-ray discs (aka 4K BDAV discs), and then copy the unprotected discs to computer HDDs as ISO files, or BDAV folders.
Last Update: Apr 3, 2025
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Comprehensive 4K Recorder Disc Decryption and Backup
4K Recording Decryption
4K Recording Gets Popular as 4K Broadcasting Advances
With the advancement of 4K broadcasting technologies from BS4K channel of NHK, CS4K channel of SKY PerfecTV and others alike, 4K recording devices are also getting popular among consumers, as they can record 4K Blu-rays from those broadcasting stations at home.
However, those recorded 4K Blu-ray discs come out also heavily encrypted, which means, users cannot handle those 4K BDAV discs the way they want. But with Passkey for 4K Recorder, which can decrypt all the recorded 4K discs, this is no longer a problem.
However, those recorded 4K Blu-ray discs come out also heavily encrypted, which means, users cannot handle those 4K BDAV discs the way they want. But with Passkey for 4K Recorder, which can decrypt all the recorded 4K discs, this is no longer a problem.
Multi-Device Support
Support Recorded Discs by Major Recording Devices
Unlike the commercial 4K Ultra HD Blu-ray discs which have a standard specification to comply with, the specifications of the recorded 4K Blu-ray discs may vary slightly from one recording device to another.
However, no matter what recording devices you use, which manufacturer made it, and what specifications it gives, such as the m2ts format from Sharp devices, or mmts format from Panasonic devices, Passkey for 4K Recorder has them all covered.
However, no matter what recording devices you use, which manufacturer made it, and what specifications it gives, such as the m2ts format from Sharp devices, or mmts format from Panasonic devices, Passkey for 4K Recorder has them all covered.
Multi-Format Output
Output ISO Images or BDAV Folders
Besides the basic decryption feature, Passkey for 4K Recorder also offers users the primary 4K BDAV backup function to make full disc copy to the unprotected recorded 4K Blu-rays, and then save the output to computer HDD as 4K ISO image files, or 4K BDAV folders.
Supported 4K Recording Devices
| SHARP | PANASONIC |
|---|---|
| TU-UD1000 | DMR-4W300/100 |
| 4B-C40AT3, C20AT3 | DMR-SUZ2060/SCZ2060 |
| 4B-C40BT3, C20BT3, C10BT3 | DMR-4W400/200、4CW400/200、4S100、4CS100 |
| BD-UT3100, UT2100, UT1100 | DMR-4X1000、4X600 |
| BD-UT3200, UT2200, UT1200, UW2200 | TU-BUHD100 |
Comparison of Passkey Products
| Passkey for DVD | Passkey for Blu-ray & UHD | Passkey for Blu-ray Recorder | Passkey for 4K Recorder | |
|---|---|---|---|---|
| Supported OS | Windows | Windows | Windows | Windows |
| Supported Discs | Commercial, Rental or Recorded DVD | Commercial or Rental Blu-ray/4k UHD | Recorded Blu-ray (aka BDAV disc) | Recorded 4K Blu-ray (aka 4K BDAV disc) |
| Output Formats | ISO image file / Folder | ISO image file / Folder | ISO image file / Folder | ISO image file / Folder |
| Supported Copy Protection | CSS, RCE, RCA, APS, UOPs, ARccos, RipGuard, Region Code, CPRM, etc. | BD+, 3D BD+, AACS MKB v 26, AACS bus encryption, Region Code, BD-Live, UOPs for Blu-ray, etc. | AACS | AACS, AACS2 |
Differences Between Passkey And DVDFab
Passkey VS. DVDFab
Passkey is a professional software that specializes in disc decryption of commercial and recorded DVD/(4K Ultra HD) Blu-ray discs. DVDFab, on the other hand, is a more feature-rich disc processing software. In addition to decryption, it also supports the following functions:
• Compress DVD9 to DVD5 or compress BD100/BD50 to BD50/BD25
• Remove cinavia protection and output high-quality audio
• Rip any disc to more than 1000 video & audio formats in lossless quality
• Burn any video to DVD/Blu-ray/UHD disc format with free menu templates
• Backup or convert the disc between DVD/Blu-ray/UHD discs
>> Learn more about DVDFab
• Compress DVD9 to DVD5 or compress BD100/BD50 to BD50/BD25
• Remove cinavia protection and output high-quality audio
• Rip any disc to more than 1000 video & audio formats in lossless quality
• Burn any video to DVD/Blu-ray/UHD disc format with free menu templates
• Backup or convert the disc between DVD/Blu-ray/UHD discs
>> Learn more about DVDFab
How To Guide
Passkey for 4K Recorder is designed with the capability to remove all the known encryptions on recorded 4K BDAV discs, and copy them to computer HDDs as ISO image files or 4K BDAV folders.
Step 1. Run Passkey for 4K Recorder
Double click Passkey 9 to run it, and choose 4K Recorder from the welcome window. Then, click the "Start Passkey" button. Afterwards, Passkey will minimize itself into the system tray.
Step 2. Load the source and start the decryption
Insert the recorded 4K BDAV disc into the drive, Passkey will automatically start the decryption task. In the system tray area, a small decryption window pops up. When the green bar reaches the end, it means the decryption is complete.
And you can get the detailed info regarding the source disc and status from the interface when you open Passkey, including what kind of protections embedded in have been removed.
And you can get the detailed info regarding the source disc and status from the interface when you open Passkey, including what kind of protections embedded in have been removed.
Step 3. Post-decryption operation
After the decryption is finished, you can play the decrypted 4K BDAV disc or rip it to your hard disc or image by right-clicking on the icon of Passkey minimized into the system tray, and clicking "Rip to Hard Disk" or "Rip to Image" from the options. Then, choose the output target in the following pop-up window.
Note that if you check the textbox "Keep Protection" when you rip the decrypted Blu-ray to Image, you will get a copy-protected ISO image file finally.
Note that if you check the textbox "Keep Protection" when you rip the decrypted Blu-ray to Image, you will get a copy-protected ISO image file finally.
System Requirements
Windows 11/10/8.1/8/7 (32/64 bit)
Intel i3 or above
4GB of RAM or above
40GB of free hard disk space or above
Live Internet connection required