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Hi Res white on black celtx logo.jpg
Celtx Studio
Celtx Studio
Developer(s)Celtx Inc.
Operating systemCross-platform
PlatformCloud Based
TypeScreenwriting & Media Pre-production software
LicenseMozilla Public License version 2.0

Celtx (/ˈkɛltɪks/) is media pre-production software, designed for creating and organizing media projects like screenplays, films, videos, stageplays, audio plays, documentaries, machinima, comics, games, and podcasts.[1]


Celtx originates from desktop software built on open, non-proprietary standards (e.g., HTML, XML and RDF) and licensed under the Mozilla Public License version 2.0. Feature development and language translations (23+) of the application were driven largely by the feedback and volunteer efforts of members of the international Celtx community.[2] That legacy desktop software has been discontinued and is no longer supported or officially available.[3]

"Celtx" is an acronym for Crew, Equipment, Location, Talent and XML.


Celtx offers several features to screenwriters and anyone involved in pre-production.

Celtx uses an industry standard screenwriting editor typical for screenplays, stageplays, AV scripts, comic books, or radio plays. Celtx also includes a rich text editor module for writing novels.
Project collaboration, management and storage
Celtx Studio offers project collaboration and online file storage.
Scripts can be uploaded to the Celtx Exchange for public viewing, peer reviews and commentary.
Celtx supports creation of production calendars, stripboards, shooting schedules, and call sheets.
Celtx features thirty-five different elements, such as Actor or Special Effects, that can be added to the project. These elements can have various information added to them, such as media or text. Celtx allows directors and writers to tag elements within each script. These tagged elements can then be automatically transferred to a script breakdown.

Pre-visualization tools[edit]

Celtx allows people to create storyboard sequences, which can be printed or viewed using Celtx's built-in animatic playback feature.
Shot Blocker
The Shot Blocker tool can be used to draw a sketch or setup which can also be added to a storyboard. The Shot Blocker includes pre-loaded icons and imagery for cameras, lights and people that can be tagged with text, and tools for drawing lines, arrows, shapes and text.

See also[edit]


  1. ^ Unknown, Michael (24 November 2008). "Celtx- a MUST HAVE resource for Writing in ANY Medium". Apple Gazette. Archived from the original on 1 February 2011. Retrieved 2008-11-24.
  2. ^ Wagner, Vivian. "Creative Collaboration-The Open Source Filmmaking Experiment". Linux Insider. Archived from the original on 1 February 2011. Retrieved 2008-11-28.
  3. ^ "how can i download the newest version of the free desktop software, updating what i have?". Celtx Help Center. Retrieved 2015-05-13.

External links[edit]