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OMERO ships as a server application OMERO.server and a series of clients OMERO.insight, OMERO.importer, OMERO.web that run on all the major operating systems and provide image visualisation, management, and annotation to users from remote locations. OMERO.clients is our collective term for our applications that allows users access to their data in the OMERO.server.

Most laboratories use a number of different imaging platforms and thus require tools to manage, visualise and analyse heterogeneous sets of image data recorded in a range of file formats. Ideally a single set of applications, running on a user's laptop or workstation, could access all sets of data, and provide easy-to-use access to this data.

We have designed and built three OMERO client applications for use with the OMERO Server.


OMERO.web is the basic application which allows for the management, viewing (includes a fully multi-dimensional image viewer), attachment and association of files to images, datasets, and projects from the OMERO.server (includes webadmin for managing users and groups).

Image browser


OMERO.importer is an application that allows a user to import proprietary image data files from a file system accessed from the user's computer to a running OMERO Server. This tool uses a standard file browser to help the user find and specify files for import into the server and then uploads the files to an OMERO Server.

OMERO.importer on Windows

OMERO.importer uses Bio-Formats for translation of proprietary file formats in preparation for upload to an OMERO Server.

The OMERO.importer has a detailed list of the supported file formats available:

OMERO.importer File Formats


OMERO.insight provides a number of tools for accessing and using data in an OMERO Server.

Import new user screen of OMERO.webadmin

OMERO.insight contains a number of tools for viewing and managing data:

  • The Data Manager provides the user with the GUI functionality to access their data, metadata and visualise large image sets.
  • The Viewer is a tool to visualise and tune 5D images (space, channel, time). The Viewer makes use of the OMERO Server's Rendering Engine, and provides high-performance viewing of multi-dimensional images on standard workstations (e.g. scrolling through space and time), without requiring installation of high-powered graphics cards. Most importantly, image viewing at remote locations is enable. Image rendering settings are saved and chosen by user ID, (e.g. a I can see an image with the same rendering settings used by a student).
  • Measurement Tool is a tool to perform basic measurement. Definition of regions-of-interest is currently completely manual, but will be automated in the future.

OMERO.importer and OMERO.insight are written in Java and require Java 1.5 (or Java 1.6) to be installed on the user's computer (automatically installed on up-to-date OS X and Windows XP systems).

OMERO.clients Documentation

Detailed on-line users guides for OMERO.editor and OMERO.insight are on the OMERO.clients Trac pages.

User guides are available as PDF files:

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