Best Free File and Document Comparison Software

Draftable is an Enterprise-Grade Document Comparison Software that lets users easily spot changes between documents. Draftable’s product suite includes Draftable Online for browser-based comparisons, Draftable Desktop for secure computer-based comparisons, and Draftable API for integrating our dynamic technology into your app. The software features synchronized side-by-side view and a change list that presents all modifications in one place. Users can also export comparisons to a PDF, view text style changes, and compare different file types such as PDF, Word, PowerPoint, and Excel. Draftable is easy to use, completely secure, and enterprise-ready. Having been used to compare over 10 million documents, it has been perfected and honed for heavy-duty use.

Bring a powerful text, image and file comparison app to your desktop. Available for Windows, macOS and Linux. Take advantage of all Diffchecker features such as unified diff view, character-level diffs and more. Keep your files confidential and private – with Diffchecker Desktop they never leave your computer. Since Diffchecker Desktop runs fully on your computer, it doesn’t communicate with our servers to create your diffs. What this means is that there’s no way anybody else but you can view your sensitive data. Diffchecker Desktop runs offline which means you can use it wherever you are and save on your data plan. As everything happens locally on your own computer, you also get significantly improved app speed. Diffchecker's Dark Mode has been specifically designed to help you stay productive in low-light environments, reduce eye strain and conserve battery power all while serving you elegant looks and powerful functionality.

DiffMerge is an application to visually compare and merge files on Windows, OS X and Linux. Graphically shows the changes between two files. Includes intra-line highlighting and full support for editing. Graphically shows the changes between 3 files. Allows automatic merging (when safe to do so) and full control over editing the resulting file. Performs a side-by-side comparison of 2 folders, showing which files are only present in one file or the other, as well as file pairs which are identical or different. Right-click on any two files in Windows Explorer to diff them immediately. Rulesets and options provide for customized appearance and behavior. Identical feature set on Windows, OS X, and Linux. Graphically shows the changes between two files. Includes intra-line highlighting and full support for editing. DiffMerge is a UNICODE-based application and can import files in a wide range of character encodings.

Kompare is a free software graphical computer application that helps the user to compare two different text files or two directories. Kompare does not actually compute the differences between the compared files itself, but is merely a graphical front end to the command line interface diff utility. However, the colour coding of changed lines makes them very easy to spot. Comparison of files or directories via a graphical interface. Bezier-based connection widget lets you see both source and destination as they really appear. Graphical viewing of patch files in normal, context, unified and diff formats. Graphical interface to commonly used diff command-line options. Easy navigation of multiple-file diffs with the dockable navigation tree. Ability to view plain-text diff output in the embedded viewer. Interactive application of differences. Provides full network transparency.

TextCompare is a fast, secure, and browser-based file comparison tool designed for professionals, developers, content creators, and businesses. Instantly compare text, code, documents (Word, PDF), spreadsheets (Excel, CSV), and images with advanced diff algorithms and syntax highlighting. All processing happens locally in your browser—no data is uploaded unless you choose to share—ensuring privacy and security. Features include PDF export, public sharing, cloud integration (Google Drive, OneDrive), and support for multiple languages and file formats. Trusted by major companies worldwide, TextCompare is ideal for anyone needing reliable, efficient, and private file comparison.