Search and replace has been made even more powerful and easy to use in Jedit X. New capabilities include faster Replace All, a handy search and replace history, internal processing of batch search and replace operations (up to thousands at a time), and search and replace from the Toolbar.

Bookmarks can be created in user-defined hierarchies to jump instantly to any part of the document. Bookmarks can also point to separate Jedit X documents.

Simply drag and drop URLs, files, folders, or Jedit X bookmarks to automatically embed links to these.

Jedit X supports freely customizable syntax coloring for HMTL and other programming languages. Built-in support includes C, CSS, HTML, JavaScript, Latex, Perl, PHP, and URLs, but these can be infinitely expanded by the user.

Users can freely customize menu shortcuts and key commands with Key Bindings in Preferences. Jedit X also supports switching ￥ with backslashes on JIS keyboards to enable one-stroke input without the need for special options.

Jedit X AppleScript supports 35 original commands in addition to the basic commands of Cocoa Standard Suites and Text Suites. You can describe almost every text manipulation with Jedit X AppleScript and make your original menu items with registering these scripts to macro menu or context menu. You can also download sample scripts from Jedit X script library.

You can highlight the selected area with the "Maker Pen" toolbar item.

Users can freely add or remove different functions from the Toolbar, including Search Panel, Search Window, Replace Window, Font Menu, Font Panel, Size Menu, Color Menu, Color Panel, Document Info, Bookmarks, Bookmark Selection, Position, kerning, Baseline, Display, Document Width, Save, and Print.

Sorting may be performed according to either the roman alphabet or Japanese. Japanese sorting may be performed according to the “a-i-u-e-o” order instead of the Unicode order by a function that automatically converts kanji to hiragana for sorting. Word delimiters can also be defined with regular expressions, so sorting is possible on desired positions within lines in CSV files.

Jedit X can automatically detect the Japanese encodings ISO-2022-JP, EUC-JP, Shift-JIS, UTF-8, and UTF-16, as well as Chinese (simplified or traditional) or Korean encodings.

Jedit X can check spelling as you type in any of eight languages, including English, French, or Italian. Of course, you can also save checking for after the document is finished.

Jedit X saves your document automatically as you work, so you can recover it even if the program or OS X crashes just before finishing your masterpiece.

In other applications, such as RBrowser, Interarchy, Cyberduck2.4, Fetch, Captain FTP, Pipe Version1.2, Fugu, you can use Jedit X as if Jedit X were a built-in text editor.

Jedit X supports ruled paper display, automatic update detection, fully customizable header/footer format, AppleScript, customizable macro/context menu, and so on.