Approval Studio – Online Proofing Software for Artwork Project

# Approval Studio > Approval Studio is an online proofing software for real-time design review and artwork approval. It is a design review tool for smart team collaboration — combining annotation, version comparison, project management, AI assistance, and client review in one platform. Approval Studio serves creative agencies, in-house marketing teams, packaging designers, graphic designers, and teams in advertising, retail, pharma, architecture, and online media. External reviewers (clients) can annotate and approve without registering. Supports 23+ file formats including PDF, AI, PNG, TIFF, JPEG, BMP, GIF, and video. Available in English, German, Spanish, French, and Ukrainian. Address: 900 Foulk Road, Wilmington, DE, USA, 19803. ## Core Product - [Homepage](https://approval.studio/): Design review tool for smart team collaboration. - [Features](https://approval.studio/features/): Full feature index — review tool, project management, tools & integrations. - [Pricing](https://approval.studio/pricing/): Lite ($60/mo, 5 users, 5 GB), Pro ($160/mo), Pro XL ($300/mo, 15 users, 30 GB), Enterprise (custom). All plans include a free trial. - [Demo review tool](https://approval.studio/demo/): Try the review interface without signing up. - [Video tutorials](https://approval.studio/video-tutorials/): Walkthroughs of key features. - [Customers' reviews / testimonials](https://approval.studio/testimonials/): User feedback and ratings. - [Clients' stories](https://approval.studio/clients-stories/): In-depth customer case studies (e.g. CSS Industries, NV Magazine). ## Review Tool Features - [Annotations](https://approval.studio/features/annotations/): On-image markup with rectangles, ellipses, lines, arrows, and freehand shapes. Comment threads per annotation. - [Comparison modes](https://approval.studio/features/comparison-modes/): Four modes to diff two file versions — overlay, side-by-side, difference highlight, and AI-powered. - [Color separation](https://approv