Guapdf.com Website Review

------------------------- there are two types of secured pdf docu*ents: your file can ask for pas*word when opening the docu*ent, or, your file opens normally, but some operations are restricted (e.g, printing or editing) and requires pas*word for unlocking it. the first pas*word is known as docu*ent open (or user) pas*word, and the second is permissions pas*word (also known as a master or owner pas*word). adobe acrobat uses different algorithms to apply pdf security with 40, 128 and 256 bit keys. restrictions (unlock) of any secure pdf docu*ent (you should have the right to do it, for example, if you forgot the pas*word). any acrobat version up to x is supported, even with 256-bit aes or 128-bit rc4 encryption. pdf restrictions removal is an instant process. unlocked open pas*word (a.k.a. user pas*word). decryption of the file with pas*word for opening is guaranteed for pdf docu*ents with 40-bit key only. this process takes 1-2 days on one modern desktop computer and could be accelerated on gpu. only standard pdf security is supported, neither third-party plug-ins nor e-books.   version restrictions removal, acrobat 3.x-11.x up to 256 bit key key searching distributed license maximal time to decrypt price  rc4 encryption (40 and 128 bit key)  aes encryption (128 and 256 bit key) acrobat 3.x, 4.x, 40-bit key on core i5 on amd radeon 7770   demo yes (only small files) yes (only small files) yes no (single computer) freely distributable 4 days 12 hours free ------------------------- restrictions remover instantly for open pas*word! -------------------------   normal version (for cpu) version with gpu support ------------------------- if you got error message like the application has failed to start because the application configuration is incorrect you should install.   ------------------------- please test your file before purchasing using demo version. order guapdf full version order the commercial versions over the internet worldwide using secure connection. this means no one