​Coding Resources



​ONI Tools (All Versions): ONI Tools​



​ONI Library (Updated Regularly): ONI.rb ​



​OP Designed Decoders:​

Furiousn00b's Hex value rotation and calendar cypher
Furiousn00b's Sleuth Breaker
Furiousn00b's Bitplaner

​TheBruce's crypto resource list​
TheBruce's crypto multi-tool (hub)​



OP Designed Resources:

OPMIKER's Field Manual

​Devoltar's ​List of ​OP-designed scripts and tools
Devoltar's Primer on working with data in images
Devoltar's Guide to Spotting patterns

 

Third Party Tools:
http://everlost.nl/convert.php​
notepad++​
HxD Hex Editor​
Sonic Visualiser​​
Spek – Acoustic Spectrum Analyser​
Ascii Table

 

 



If you have any other decoding resources that you have used to decode for the Halo4 ARG, please send us a link in the contact section!