Subtitle Edit
Open-source video subtitle editor
Subtitle Edit (also known as SE) is a free and open-source subtitle editor for creating, editing, adjusting or synchronizing subtitles for videos.
01Features
SE supports 250+ subtitle formats. Some of the most popular ones are SubRip, Timed Text, DFXP (Netflix standards), ITT (iTunes), SubStation Alpha, MicroDVD, SAMI, D-Cinema and BdSub.Support for these formats isn't complete, though. For instance, WebVTT is one of the supported formats, but none of its styling features are supported.
As of version 5.0, SE relies on either the VLC media player or mpv for video playback, and FFmpeg for waveform generation.
SE is available in 34 languages and works on Windows and Linux.
02Development
In 2001, Nikolaj Lynge Olsson had started the development of Subtitle Edit in Delphi which continued until April 2009. On 6 March 2009, 2.0 Beta 1 version (build 42401) was released.
Over time, more developers have contributed to SE's development, and it is still active. It is hosted at GitHub.
On 17 May 2011, the developer announced the testing version of SE 3.2 for Linux. It uses the same source code that was developed for Windows, to implement it on Linux using Mono Project.
On 17 October 2011, the developer announced the availability of stable version for Linux. The developer himself stated that it is working well on Ubuntu.
Version 5.0, released in June 2026, is a full rewrite, using the Avalonia framework and .NET 10. It is self-contained and requires no .NET installation. It is cross-platform and supports macOS.
Sources and credits
This article is adapted from the Wikipedia article “Subtitle Edit”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- Subtitle Edit 5.1.0 Screenshot.png by Original: Nikolaj Lynge Olsson Photograph: Sirios Wiki, GPLv2
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