DayZ PBO Protector
A free desktop tool that packs, compresses and verifies PBO mods — with optional advanced protection for the parts you care about most.
- $0Core tooling, forever free
- PBO · EBO · P3DDayZ formats covered
- GUI + CLIOne tool, two workflows
Everything your mod pipeline needs
From the first pack to the final signature
PBO & EBO packing
Complete PBO read/write with $PBOPREFIX$ handling, optional LZSS compression and SHA1 verification. EBO (FPacker-compatible) output included.
Enforce script obfuscation
Identifier renaming, string protection with runtime decoding, control flow flattening and dead logic injection (100+ templates) raise the effort needed to read your sources.
Path & file protection
Path migration rewriting, file name transforms and decoy file injection (8 generator families) hide the layout of your mod from plain-text scanning.
P3D processing
Parallel binarization with model protection options (H1 trap, ODOL6/7) to slow down casual model ripping.
BISign signing
DSSignFile-compatible .bisign/.bikey creation and verification so your releases are ready for signature-checked servers.
Built for automation
Every feature is available from the CLI, so the same pipeline runs on your workstation and your build server.
Free for the essentials. Pro when you need more.
The basics are free forever — packing, verification and CLI tooling. Advanced protection ships with Pro.
Free
foreverEverything you need to pack and ship your DayZ mods.
- PBO & EBO packing
- Optional LZSS compression
- SHA1 checksum verification
- $PBOPREFIX$ handling
- list / verify CLI commands
- Community support
Pro
All advanced obfuscation and protection features.- Everything in Free
- Identifier obfuscation
- String protection (runtime decode)
- Control flow flattening
- Dead logic injection (100+ templates)
- Path & file protection, decoy injection
- P3D binarize parallelism & protection
- BISign signing (.bisign / .bikey)
Frequently asked questions
Everything about the tool and plans
Is the tool really free?
Yes. The core of the desktop tool — PBO/EBO packing, LZSS compression, SHA1 verification and the list/verify CLI commands — is free to use. Pro adds advanced protection features on top.
What does the Pro plan include?
Pro unlocks the advanced feature set: identifier obfuscation, string protection, control flow flattening, dead logic injection, path and file name protection with decoy injection, P3D protection and BISign signing.
How does billing work?
Pro is offered as a monthly or yearly plan; the price shown on the pricing page is what you pay. Auto-renewal is off by default — you can enable it on the billing page and switch it off at any time.
Does the subscription renew automatically?
No. Renewal only happens if you explicitly turn on auto-renewal for a PayPal USD subscription. Otherwise your access simply runs until the end of the period you paid for, and the billing page shows the expiry date.
Which file formats are supported?
The tool reads and writes DayZ PBO archives, outputs EBO (FPacker-compatible) archives and handles P3D model binarization. It also creates and verifies BISign signature files (.bisign/.bikey).
Does the protection make my mod impossible to unpack?
No tool can make reverse engineering impossible, and we do not claim that. The protection features are designed to raise the effort required: string protection uses runtime decoding, path protection obscures plain-text file names, and obfuscation transforms the script structure.
Which platforms are supported?
The desktop client runs on Windows and ships as both a graphical application and a command-line interface, so it fits interactive use and automated build pipelines alike.
Do you offer team or custom licenses?
Yes. For teams, studios and bespoke licensing, reach out through the contact email in the site footer and we will put together a plan that fits.