International Image Interoperability Framework
- Company typePrivate
- Founded2015
- HeadquartersCambridge, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
International Image Interoperability Framework firmographics
Firmographics- Name
- International Image Interoperability Framework
- Legal name
- International Image Interoperability Framework (IIIF) Consortium
- Website
- https://iiif.io
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Ownership category
- akta.pro rank
International Image Interoperability Framework industry classification
Industry- Product category
- Open Standards & APIs for Digital Cultural Heritage
- NAICS
- Computer Systems Design and Related Services (54151)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Data Virtualization & Federation (HDAEACAH)
Keywords
Where International Image Interoperability Framework is headquartered
LocationHeadquarters
- HQ city
- Cambridge
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
International Image Interoperability Framework business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Others
Revenue model
- Consortium Membership Fees: IIIF Consortium is funded by membership fees from cultural institutions, libraries, museums, and other organizations. The consortium had 71 members as of 2026.
- Conference Registration: The annual IIIF Conference charges registration fees. Regular registration is €500, student registration is €100. Consortium members receive discounts.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Others | Open Standard - No Cost |
| Subscription | Annual | Annual Conference Registration |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels6 records
International Image Interoperability Framework product offering
Product offeringCore offering
IIIF is a suite of six open standard APIs (Image, Presentation, Authorization Flow, Content Search, Change Discovery, and Content State) for delivering high-quality, attributed digital image and audio/visual objects online at scale. Built on the W3C Web Annotation Data Model, JSON-LD, and Linked Data principles, the framework enables cultural heritage institutions to share interoperable digital objects across repositories without vendor lock-in. The consortium also operates training programs, documentation resources, and an annual international conference for the GLAM (Galleries, Libraries, Archives, Museums) sector.
Product overview
IIIF (International Image Interoperability Framework) is a suite of six open standard APIs enabling delivery of high-quality, attributed digital image and audio/visual objects online at scale. The core offerings are the Image API (Stable 3.0), Presentation API, Authorization Flow API (Stable 2.0), Content Search API, Change Discovery API (Stable 1.0), and Content State API—all designed to work together to enable interoperability across cultural heritage institutions. The framework is backed by a 71-member global consortium and supported by documentation resources including the IIIF Cookbooks (community code recipes) and Training Materials. The open standards are implemented by a wide ecosystem of third-party viewers (Mirador, OpenSeadragon, Universal Viewer), annotation platforms (Recogito, FromThePage, Madoc), exhibition tools, and manifest generation tools.
Differentiator
Problem solved
Functional benefit
Products and services
- IIIF Image API Core IIIF API at Stable 3.0 that retrieves images and allows users to select an area of the image and resize, rotate, and edit quality. Designed for cultural heritage institutions, image repositories, and developers building digital delivery systems.
- IIIF Presentation API IIIF API at Stable 3.0 that packages each digital image with its metadata so users know the origin, title of the image, and the page of a book the image was from. Used by cultural heritage institutions for delivering structured digital objects to viewers.
Quantifiable outcome
- Serves billions of digital objects across cultural heritage institutions worldwide
Companies that use International Image Interoperability Framework
Customer profileNamed customers12 records
Segments3 records
Ideal customer profiles3 records
International Image Interoperability Framework technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration28 records
Feature6 records
International Image Interoperability Framework partnerships and signals
Strategic signalPartnerships
Ten partnerships are on record, tiered flagship, platinum sponsor, gold sponsor, scholarship sponsor, silver sponsor and core.
- Dutch Digital Heritage NetworkflagshipHosting partner for the 2026 IIIF Annual Conference in the Netherlands, supporting the event alongside the IIIF Consortium.
- Kakadu Softwareplatinum sponsorWorld's leading JPEG2000 developer toolkit. Platinum sponsor of 2026 IIIF Annual Conference. Provides complete toolkit for image compression and manipulation.
- Digiratigold sponsorGold sponsor of 2026 IIIF Annual Conference. Open infrastructure, tools and consultancy services for public engagement, research and teaching with cultural heritage collections.
- OCLCscholarship sponsorScholarship sponsor of 2026 IIIF Annual Conference. Global library cooperative that provides shared technology, research, and programs.
- Cogappsilver sponsorSilver sponsor of 2026 IIIF Annual Conference. Digital agency building interactive experiences with cultural heritage collections.
- Micriosilver sponsorSilver sponsor of 2026 IIIF Annual Conference. Award-winning online ultra-resolution storytelling platform. Q42 venture.
- FromThePagesilver sponsorSilver sponsor of 2026 IIIF Annual Conference. Collaborative transcription platform with community of 5,000+ volunteers.
- WikiBlueprintcoreJake Orlowitz of WikiBlueprint engaged in 2025 to explore connections between IIIF standard and Wikimedia community, examining how Wikidata could enhance IIIF resource findability.
- IIIF Consortium Memberscore71-member global consortium of leading cultural institutions including New York Public Library, Yale University, Stanford University, National Gallery of Art, Wellcome Collection, Texas A&M Libraries, Bayerische Staatsbibliothek, University of Leeds, Ghent University, national libraries across Europe and beyond. Consortium members co-develop IIIF standards and drive adoption.
- CLIR (Council on Library and Information Resources)coreIIIF Consortium is housed C/O CLIR. CLIR provides administrative infrastructure and support for the consortium operations.
Scale indicators4 records
Recent moves6 records
Expansion highlights6 records
International Image Interoperability Framework competitors and assessment
Company assessmentRegional players
- Trove (National Library of Australia): Australian aggregator of cultural-heritage digital content from libraries, museums, and archives. Comparable as a regional equivalent to IIIF's interoperability mission, focused on Australian content but built on similar digital library standards.
Broad incumbents
- Internet Archive: Non-profit digital library offering universal access to books, audio, video, and web archives. Highly comparable mission and funding model (donations/grants) for open cultural heritage access, though much larger scale and broader scope than IIIF.
- OCLC: Global library cooperative providing shared technology (WorldCat, discovery services) to thousands of libraries. Operates as a member-funded incumbent serving the same institutional base as IIIF, with overlapping IIIF-related scholarship programs.
Direct peers
- Digirati: UK-based digital consultancy providing IIIF infrastructure, tools (Manifest Editor, Exhibition Editor), and services to cultural-heritage institutions. Operates in the same IIIF ecosystem as a vendor/implementer.
- Digital Public Library of America (DPLA): US non-profit digital library aggregator connecting libraries, archives, and museums. Shares IIIF's mission of democratizing access to cultural heritage digital collections and operates a similar member-funded, non-profit consortium model.
- Europeana: EU-funded digital cultural heritage platform aggregating content from European libraries, museums, and archives. Directly comparable as a consortium/aggregator model for interoperable cultural-heritage digital objects, although Europeana focuses on aggregation while IIIF provides the underlying interoperability standards.
- Cogapp: Digital agency building interactive experiences with cultural-heritage collections using IIIF and Mirador. Directly comparable as a consultancy/agency serving the same GLAM customers with IIIF-based solutions.
Emerging players
- FromThePage: Collaborative transcription platform with native IIIF integration and 5,000+ volunteer community. Comparable as a specialized IIIF-compatible tool serving the same digital humanities and cultural-heritage research market.
- Pelagios Network (Recogito): Non-profit network supporting linked open data and annotation tools (Recogito) for digital humanities, built on IIIF. Comparable as an open, community-driven infrastructure provider in adjacent digital humanities space.
- LYRASIS (Islandora): Non-profit technology and content services organization whose Islandora platform implements IIIF for digital repositories. Comparable as an open-source digital repository provider serving GLAM institutions.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
International Image Interoperability Framework social profiles
Digital presenceInternational Image Interoperability Framework financial estimates
Financial estimateRevenue estimate
Valuation estimate
International Image Interoperability Framework leadership team
Management profileNumber of profiles
Profiles4 records
International Image Interoperability Framework funding detail
Funding detailFunding overview
Funding rounds
Investors
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International Image Interoperability Framework M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about International Image Interoperability Framework
What does International Image Interoperability Framework do?
IIIF is a suite of six open standard APIs (Image, Presentation, Authorization Flow, Content Search, Change Discovery, and Content State) for delivering high-quality, attributed digital image and audio/visual objects online at scale. Built on the W3C Web Annotation Data Model, JSON-LD, and Linked Data principles, the framework enables cultural heritage institutions to share interoperable digital objects across repositories without vendor lock-in. The consortium also operates training programs, documentation resources, and an annual international conference for the GLAM (Galleries, Libraries, Archives, Museums) sector.
Is International Image Interoperability Framework a public or private company?
International Image Interoperability Framework is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was International Image Interoperability Framework founded?
International Image Interoperability Framework was founded in 2015. It employs 1 to 10 people.
Where is International Image Interoperability Framework based?
International Image Interoperability Framework is headquartered in Cambridge, United States, in the North America region.
How does International Image Interoperability Framework make money?
Two revenue lines are on record. Consortium Membership Fees are the primary driver. The others are conference Registration.
Who are International Image Interoperability Framework's main competitors?
Trove (National Library of Australia) is listed as a regional player. Broad incumbents are Internet Archive and OCLC. Direct peers are Digirati, Digital Public Library of America (DPLA), Europeana and Cogapp. Emerging players are FromThePage, Pelagios Network (Recogito) and LYRASIS (Islandora).
Does International Image Interoperability Framework have an API?
Yes. IIIF offers six open APIs for delivering high-quality, attributed digital image and audio/visual objects online at scale: Image API (Stable 3.0) for image retrieval with region selection, resize, rotation, and quality editing; Presentation API for packaging images with metadata; Authorization Flow API (Stable 2.0) for access control; Content Search API for searching text within annotations; Change Discovery API (Stable 1.0) for harvesting changes; and Content State API for generating links to specific views. All APIs are open standards with documentation available at https://iiif.io/api. Validators are available for Image and Presentation APIs. Developer documentation is at iiif.io/api.
What industry is International Image Interoperability Framework in?
International Image Interoperability Framework's product category is Open Standards & APIs for Digital Cultural Heritage. Its primary akta.pro industry code is HDAEACAH, Data Virtualization & Federation. Its NAICS code is 54151 and its SIC code is 7370.