Top 10 Best Document Redline Software of 2026

Adobe Acrobat is a comprehensive PDF solution renowned for its advanced document redlining capabilities, allowing users to compare versions, track changes, and annotate with precision. It excels in generating side-by-side comparisons that highlight insertions, deletions, and modifications in redline format, making it ideal for legal reviews and collaborative editing. The software supports robust commenting tools, stamps, and exportable reports for professional workflows.

Microsoft Word is a leading word processing application renowned for its Track Changes feature, which serves as a powerful document redline tool for collaborative editing. It enables precise tracking of insertions, deletions, formatting changes, and comments, while allowing users to accept or reject changes individually. The software also includes document comparison capabilities to generate redline views between versions, making it suitable for legal, publishing, and business review workflows. Integrated with Microsoft 365, it supports real-time co-editing and version history.

Bluebeam Revu is a specialized PDF software solution tailored for the architecture, engineering, and construction (AEC) industries, excelling in document redlining, markup, and collaboration. It provides advanced tools for precise measurements, annotations, and quantity takeoffs on blueprints and technical drawings. Users can streamline review workflows with batch processing, custom toolsets, and real-time collaboration through Bluebeam Studio Projects and Sessions.

Litera Compare is a robust document comparison and redlining solution tailored for legal and enterprise users, enabling precise tracking of changes across Word, PDF, email, and other formats. It highlights differences with color-coded visuals, supports three-way comparisons, and offers merging capabilities to reconcile versions efficiently. Widely used in contract review and due diligence, it integrates seamlessly with systems like iManage and SharePoint for streamlined workflows.

DocuSign is a leading e-signature platform that extends into document management with redlining features via its Contract Lifecycle Management (CLM) tools, enabling users to compare versions, track changes, and collaborate on edits. It integrates redlining seamlessly into workflows for contract review, negotiation, and final signing. While powerful for end-to-end agreement processes, its redlining is more workflow-oriented than a standalone editing tool.

Google Docs is a free, cloud-based word processor from Google that supports document redlining through its 'Suggesting' mode, allowing users to propose edits, track changes, and collaborate in real-time. It enables reviewers to add suggestions, comments, and resolve changes collectively without needing desktop software. While versatile for general editing, it serves as a lightweight redline solution integrated within the Google Workspace ecosystem.

Foxit PDF Editor is a versatile PDF solution that provides robust tools for editing, annotating, and redlining documents, making it suitable for collaborative review processes. It supports markup features like highlights, strikethroughs, underlines, sticky notes, and text edits, along with a document comparison tool to visualize changes between versions. The software also includes redaction, digital signatures, and secure sharing options to facilitate professional workflows.

Nitro Pro is a versatile PDF editor and management tool from GoNitro that supports document creation, editing, conversion, and collaboration. Its key redlining capability comes via the Compare Files feature, which visually highlights differences between two PDF versions, including additions, deletions, and modifications. While not a dedicated redline platform, it integrates these tools effectively into a full PDF workflow for professionals handling document reviews.

iManage Work is a robust enterprise document management system (DMS) tailored for legal and professional services, offering advanced version control, document comparison, and redlining capabilities through deep integration with Microsoft Office. It enables users to track changes, compare document versions side-by-side, and collaborate securely while maintaining audit trails and compliance standards. Beyond redlining, it provides powerful search, email filing, and workflow automation to streamline document-heavy processes.

Wondershare PDFelement is a comprehensive PDF editor that offers document comparison and annotation tools suitable for basic redlining tasks. It features a Compare function that highlights differences between two PDF versions with color-coded changes, deletions, and insertions. Users can also apply strikethrough, highlighting, underlines, and comments for collaborative markup, though it's more of a general PDF suite than a dedicated redline specialist.