18.2
Diffchecker compares text, code, and data, either in a browser or with its desktop app.
Free planiOSWebAPI
Best Document Comparison Software in 2026
When you need to review changes between versions, document comparison software can help identify differences and create a record of edits. Compare Office file and PDF comparison, formatting changes and redline output to find options suited to your documents. Maximum file size and deployment are also useful to check against your workflow. Free-plan availability and paid-from pricing add access and cost details. PDF24…
27.6
DocFather Compare Documents is a web tool for reviewing content changes between two document versions.
Free planiOSWeb
37.6
i-net PDFC compares documents and identifies changes in text, tables, layout, and structure.
AndroidiOSWeb
- 4
Differino
Differino compares PDF, DOCX, and TXT files and presents document changes side by side.
Free planWebAPI7.3€1.99 one-time - 5
SmarterDiff
SmarterDiff is a free browser-based tool for comparing text, Word documents, PDFs, spreadsheets, folders, and images without uploading files.
Free planAndroidiOSWebLinux7.3Free plan - 6
PDF24 Compare PDF
PDF24 Compare PDF compares two versions of a PDF and marks text that has changed, been added, or been removed.
Free planAndroidiOSWebLinux7.2Free plan - 7
UltraCompare
LinuxmacOSWindows7.1From $99.95 a year - 8
Compare Suite
Compare Suite is a Windows file comparison tool for office professionals, software developers, and webmasters.
Free planWindows6.6$70 one-time - 9
DrawDiff
DrawDiff compares engineering drawings, technical documents, and contracts by placing PDF pages in pixel-accurate overlays.
Free planWebSelf-hosted6.6Free plan - 10
Redline Compare
Redline Compare is a web-based document comparison service focused on redlining for legal teams.
Free planWeb6.4From $4.99 a month - 11
Draftable Compare
Draftable Legal Compare is a document comparison solution for law firms and legal teams, running as a secure desktop application.
Self-hostedWindows6.2From $129 a year - 12
Litera Compare
Litera Compare helps users review document revisions across authors and file formats.
AndroidiOSWebmacOS6.1 - 13
PDiff
PDiff is desktop software for comparing PDFs and identifying changes in layout, formatting, and page breaks.
macOSSelf-hostedWindows6.1 - 14
DeltaCompare
DeltaCompare is a document and data comparison product from DeltaXignia.
APILinuxmacOSSelf-hosted6.0 - 15
6.0$499.95 one-time - 16
Document Delta
Document Delta compares two DOCX files and produces a document with differences marked using Word's built-in tracked changes.
Free planWebAPI6.0Free plan - 17
PdfCompare.app
PdfCompare.app is a free web app for comparing two PDF versions, showing text revisions and visual differences.
Free planWeb6.0Free plan - 18
SIDETRACK
SIDETRACK is a Windows desktop application for comparing Word documents with Microsoft Word’s comparison engine.
Windows6.0From $199.95 a year - 19
XKit Document Compare
XKit Document Compare is a free web tool for comparing Word, PDF and text files to identify additions, deletions and modifications.
Free planWeb6.0Free plan - 20
Crowdsourced Redlines
Crowdsourced Redlines compares two Microsoft Word .docx files and creates a third file with insertions, deletions, and moves marked as native Word tracked changes.
Free planWebAPISelf-hosted5.9Free plan - 21
DocxLens
DocxLens is a web-based comparison tool for contracts, spreadsheets, configuration files, PDFs, text, and code.
Free planWeb5.9Free plan - 22
VisibleThread
VisibleThread is a proposal and contract intelligence platform for teams reviewing, writing and managing complex documents.
WebLinuxSelf-hostedWindows5.9 - 23
AFileFix Document Comparison
AFileFix Document Comparison is a free web tool for comparing two versions of a document.
Free planWeb5.8Free plan - 24
GigAI Document Comparer
GigAI Document Comparer finds text changes between two documents and marks additions and removals in a redline with color coding.
Free planWeb5.8Free plan - 255.8From $29.99 a year