Dropbox Paper is a collaborative document editor, but teams that need dedicated online proofing—annotation, version control, and approval workflows—often look for more specialized tools. Below are 20 popular online proofing platforms that provide robust review, commenting, and sign‑off features for design, video, marketing assets, and more.
Get targeted exposure with custom position pinning and highlighted placement.
Enterprise‑grade proofing with unlimited reviewers, version control, and automated workflow integrations.
Central hub for creative reviews; supports video, PDF, images, and web mockups with real‑time commenting.
Simple proofing platform for agencies; offers markup tools, approval routing, and client‑friendly review links.
All‑in‑one project management with built-in proofing, discussions, and task assignments.
Design collaboration suite featuring interactive prototypes, comment threads, and version history.
Focused on visual feedback for UI/UX designs; integrates with Figma, Sketch, and Adobe XD.
Creative proofing for agencies; offers client portals, asset versioning, and automated reminders.
Secure online proofing for marketing assets with granular permission controls and audit trails.
Collaborative whiteboard with annotation tools for visual feedback on images, PDFs, and mockups.
Video‑centric proofing platform offering time‑coded comments, version stacking, and integration with Adobe Premiere Pro.
Video review and approval tool with frame‑accurate commenting, automated transcriptions, and Slack notifications.
File sharing and proofing solution with visual feedback, approval workflows, and large‑file support.
PDF‑focused proofing with comment tracking, e‑signatures, and integration into Adobe Document Cloud.
Online collaborative canvas that includes sticky‑note feedback and markup for design assets.
Task‑centric platform with file attachments, comment threads, and approval status fields.
Enterprise work management with built‑in proofing, version control, and automated routing.
Spreadsheet‑style project tracker that can be configured for asset review cycles.
All‑purpose workspace where pages can be shared for comment‑based proofing of docs and designs.
Social‑media content calendar with built‑in approval workflow for posts, images, and videos.