HTTrack Website Copier是一個免費并易于使用的線下瀏覽器工具 ，它能夠讓你從互聯網上下載整個網站進行線下瀏覽。瀏覽線下站點和線上并沒有什么不同。HTTrack同樣可以進行線下線上站點同步，支持斷點續傳。HTTrack是一個可全面配置并包括全面的幫助系統的工具

+ New: support for IDNA / RFC 3492 (punycode) handling
+ New: openssl is no longer dynamically probed at stratup, but dynamically linked
+ Fixed: random closing of files/sockets, leading to "zip_zipWriteInFileInZip_failed" a>

ssertion, "bogus state" messages, or random garbage in downloaded files
+ Fixed: libssl.dylib is now in the search list for libssl on OSS (Nils Breunese)
+ Fixed: bogus charset because the meta http­equiv tag is placed too far in the html page
+ Fixed: incorrect \\machine\dir structure build on Windows (TomZ)
+ Fixed: do not force a file to have an extension unless it has a known type (such as html), or a possibly known type (if delayed checks are disabled)
+ Fixed: HTML 5 addition regarding "poster" attribute for the "video" tag (Jason Ronallo)
+ Fixed: memory leaks in proxytrack.c (Eric Searcy)
+ Fixed: correctly set the Z flag in hts­cache/new.txt file (Peter)
+ Fixed: parallel patch, typo regarding ICONV_LIBS (Sebastian Pipping)
+ Fixed: memory leak in hashtable, that may lead to excessive memory consumption
+ Fixed: on Windows, fixed possible DLL local injection (CVE­2010­5252)
+ Fixed: UTF­8 conversion bug on Linux that may lead to buggy filenames
+ Fixed: zero­length files not being properly handled (not saved on disk, not updated) (lugusto)
+ Fixed: serious bug that may lead to download several times the same file, and "Unexpected 412/416 error" errors
+ Fixed: images in CSS were sometimes not correctly detected (Martin)
+ Fixed: links within javas cript events were sometimes not correctly detected (wquatan)
+ Fixed: webhttrack caused bus error on certain systems, such as Mac OSS, due to the stack size (Patrick Gundlach)
+ Fixed: bogus charset for requests when filenames have non­ascii characters (Steven Hsiao)
+ Fixed: bogus charset on disk when filenames have non­ascii characters (Steven Hsiao)
+ Fixed: fixed 260­characters path limit for Windows (lugusto)