Comparison of Comparison Features

Free is DeltaWalker Classic Free, free for good with a free activation code: it has no folder synchronization and no remote locations. Std is the legacy Standard edition, no longer sold and listed here for the people who own it. Pro and Oro are the editions you can buy.

File Comparison Features

Feature	Description	Free	Std	Pro	Oro
Two-way comparison	Shows added, deleted and blocks of text with inline changes.
Two-way image visualization and comparison	Visualization and attribute/pixel-by-pixel comparison of wide range image formats.
In-place editing	Full-featured text editor.
Remote comparison	Read/write over (S)FTP(S), WebDAV; readonly over HTTP(S). Not included in Free.
Compressed files support	Visualization and comparison of BZ2, EAR, GZ, JAR, TAR, TBZ2, TGZ and ZIP files.
Find/Replace	Regular expressions powered Find/Replace.
Incremental Find	Searches for a word as you type it in the editor.
Instant re-comparison	As a file is edited, comparison is performed discreetly in the background, ensuring changes are shown as soon as they are made.
Character encoding	Full support for Unicode and MBCS. Choice to work with languages or character sets.
Encoding auto-detection	Upon opening a text file DeltaWalker Classic will automatically attempt to deduce its encoding.
Undo/Redo	Unlimited Undo/Redo works across files participating in a comparison.
Bird’s-Eye view	Thin vertical stripe showing at a glance the extent and the location of differences between the compared files.
QuickDiffs	Show what and how something’s changed during editing. Hover over the colored Quick Diff area to see a tooltip with the original text.
Scripting	JavaScript-based scripting, including an integrated, syntax-sensitive script editor, script runner and console.
Three-way comparison	Comparison of two versions of a file against a common ancestor. Full merge and editing capabilities available.
Automatic text file merging	Automatic merging of non-conflicting differences from two versions of a file into an ancestor. Conflicting changes are highlighted and left for review and resolution.
Three-way image visualization and comparison	Three-way visualization and attribute/pixel-by-pixel comparison of wide rage image formats.
XML Structure view	XML files are compared both as text and as structures (technology preview).
HTML Design view	HTML files are compared both as text and as rendered by the system-default Web browser
One-click merge	Fly-by arrows appear when the cursor is over a change and allow for a single-click merge. Holding down `Ctrl` or `Ctrl+Shift` offers additional options.
Report generation	HTML and XML format reports.
Patch creation	Ability to generate UNIX Diff patches in four different formats.
Syntax highlighting	Syntax highlighting in text comparison editors for close to 50 programming languages.
Change notification	On by default, it prompts you when a file or a folder being compared has been changed on the file system.
Print and print preview	Accurate, WYSIWYG print and print preview.
Page setup	Interactive page margins, header & footer setup allows for including file names, page numbers, date/time, or other advanced tags.
Regular expression text comparison filters	Allow you to specify keywords or symbols to be ignored during text comparison.
Regular and shell expression folder comparison filters	Allow you to specify keywords or symbols to be ignored during folder comparison.
Alignment Override folder comparison filters	Allow matching/alignment of files and folders with different names from two adjacent panels.
Symbolic links	Visualize symbolic links content.
Multi-platform support	Pro (like the legacy Standard edition) supports a single platform of choice - Mac OS X, Windows & Linux. Oro and Free support all three.

Folder Comparison Features

Feature	Description	Free	Std	Pro	Oro
Two-way comparison	Clearly shows added, deleted, and different files between two folder hierarchies.
Remote comparison	Read/write over (S)FTP(S), WebDAV. Not included in Free.
SSH keys and SSH passphrase	Connect using SSH key and SSH passphrase; store them in an OS-provided secure storage e.g. Mac OS X Keychain.
Compressed files support	Visualization and comparison of BZ2, EAR, GZ, JAR, TAR, TBZ2, TGZ and ZIP files.
Folder synchronization	Synchronize folder hierarchies with Choose Sync Action, Update and Mirror. Not included in Free, which copies, moves, deletes and renames the entries you select.
Search, don’t scroll	Search as fast as you type for files and folders of interest.
Filters	Shell and Regular expression filters allow you to specify patterns for inclusion or exclusion of files and folders during comparison.
Filters - Alignment override	Allow matching/alignment of files and folders with different names from two adjacent panels so that they can be compared.
Report generation	HTML reports; “Linked Reports” option allows you to include links to individual file comparison reports.
Patch creation	Ability to generate folder comparison UNIX Diff patches in four different formats
Next/previous difference	Offers an efficient way (incl. Ctrl + Mouse Wheel) to traverse folder differences.
Print and print preview	Accurate, WYSIWYG print and print preview.
Three-way comparison	Comparison and synchronization of two folders hierarchies with a third one - their ancestor.
Automatic merge	Automatic merging of non-conflicting differences from two folder hierarchies into a common ancestor.
Bird’s-Eye View	Thin vertical stripe showing at a glance the extent and the location of differences between the compared folder hierarchies.
Symbolic links	Follow or not symbolic links, copy/move symbolic links themselves or the destination they point to. Copying and moving symbolic links is part of folder synchronization, which Free does not include.
Multi-platform support	Pro (like the legacy Standard edition) supports a single platform of choice - Mac OS X, Windows & Linux. Oro and Free support all three.