Editor working in offline — assembles rough cuts from low-resolution proxies to establish timing and rhythm. Allows rapid first assembly before final conform.
The Offliner works in the editing suite with footage in reduced resolution—usually ProRes 422 HQ, DNxHD, or similar proxy formats. This is not the final high-resolution file, but an editable working version that loads quickly and generates no render overhead. While the director and editor make the dramatic decisions, the Offliner handles the technical workflow: they catalog the rushes, create the proxies, organize the editing sequences, and precisely document every cut, every length, every transition in the metadata and the EDL (Edit Decision List).
This division enables speed. In large productions or with tight schedules, the Offliner works in parallel with the editing suite, already preparing the next takes while the editor is still busy with Scene 12. The advantage: the editing machine never runs empty, and the rhythm of the edit is not interrupted by technical waiting times. This division of labor is standard, especially for documentary material or series with a high episode count. The Offliner must be meticulous—every incorrectly cataloged take costs time and money later in the online edit.
The core business of offlining is the creation and maintenance of the EDL, which is later handed over to the online editor or the conform team. This list is literally the blueprint for the final online edit: it contains every clip, the exact timecode position, the length, the transitions, and sometimes also color correction notes or VFX flags. A clean offline project saves the online team hours of queries and research. Some Offliners also work with proxy workflows in DaVinci Resolve or Avid Media Composer to sketch out initial color corrections or effects during the editing process—not final, but as a guide for later.
The role requires technical understanding, meticulousness, and the ability to grasp production logic. An experienced Offliner knows the peculiarities of camera codecs, understands how to correctly convert proxy formats, and can quickly identify errors in material organization. In smaller productions, the editing assistant sometimes takes on this task themselves; in large houses, it is a specialized position.